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American National Standards Institute (ANSI), Federal Information Processing Series (FIPS), and Other Standardized Geographic Codes
American National Standards Institute (ANSI), Federal Information Processing Series (FIPS), and Other Standardized Geographic Codes
American National Standards Institute (ANSI) codes are standardized numeric or alphabetic codes whose documentation is issued by ANSI to ensure uniform identification of geographic entities through all government agencies. ANSI oversees the issuance of the following two code series used by the Census Bureau: 1) InterNational Committee for Information Technology Standards (INCITS) codes, and 2) Geographic Names Information System (GNIS) codes. INCITS codes are formerly known as Federal Information Processing Standards (FIPS) codes. GNIS codes, referred to as the National Standards (NS) codes, were established by the United States Geological Survey (USGS) and are assigned by them with INCITS and ANSI oversight. The Census Bureau also assigns and issues codes for a number of geographic entities for which INCITS or GNIS codes are not available, and sometimes in addition to INCITS and GNIS codes.
The majority of the tables included on this webpage provide INCITS and GNIS codes, but there are four exceptions:
- The American Indian areas table provides 4-digit codes assigned and maintained by the Census Bureau.
- The county subdivisions and places tables provide the 5-digit Federal Information Processing Series (FIPS) codes, formerly referred to as FIPS55, assigned and maintained by the Census Bureau.
- The school district table provide the local education agency (LEA) codes assigned by the U.S. Department of Education.
- The voting district table includes codes assigned by individual states.
The USGS provides a tool for searching the Geographic Names Information System for National Standards codes. It is linked to under "Other Resources" below.
Other Resources
- INCITS Home Page
- INCITS is the central U.S. forum dedicated to creating technology standards.
- INCITS is the central U.S. forum dedicated to creating technology standards.
- U.S. Board on Geographic Names – Domestic Names
- The Geographic Names Information System (GNIS), maintained by the U.S. Board of Geographic Names, is the Federal and national standard for geographic nomenclature.
- To look up a code used by the Census Bureau (including Census and Civil codes), click on the link above and then click “Search Domestic Names”.
- To download codes used by the Census Bureau (including Census and Civil codes), click on the link above, click “Download Domestic Names”, and then click “State Files with Federal Codes”.
- The Geographic Names Information System (GNIS), maintained by the U.S. Board of Geographic Names, is the Federal and national standard for geographic nomenclature.
American Indian Areas
2020 Census codes for American Indian, Alaska Native, and Native Hawaiian Areas (AIANNH). Two tables are provided for download. Both tables contain a complete listing of AIAs nationwide but use different structures.
- AIANNH Table: Contains a single record for every AIA in the nation sorted by "AIANNH". When the AIA extends into multiple states, those states are listed in the “STATES” field. In the example below the “Turtle Mountain Reservation” extends into Montana (MT), North Dakota (ND) and South Dakota (SD).
- AIANNH by State Table: Contains at least one record for every AIA in the nation sorted by "STATEFP" then "AIANNH". When the AIA extends into multiple states, the table includes a separate record for each state. In this table, the “Fort Mojave Reservation” requires 3 records, one each for AZ, CA, and NV.
| Field Name | Field Description | Example |
|---|---|---|
| AIANNHCE | American Indian Area code | 4345 |
| AIANNHNS | American Indian Area NS code | 01934334 |
| AIANNHNAME | American Indian Area name and legal/statistical area description | Turtle Mountain Reservation |
| STATES | State(s) postal abbreviation where this American Indian Area is located | MT~ND~SD |
| Field Name | Field Description | Example |
|---|---|---|
| STATE | State postal abbreviation | CA |
| STATEFP | State FIPS code | 06 |
| AIANNHCE | American Indian Area code | 1235 |
| AIANNHNS | American Indian Area NS code | 00024003 |
| AIANNHNAME | American Indian Area name and legal/statistical area description | Fort Mojave Reservation |
Congressional Districts
2020 Census codes for the 116th Congressional Districts sorted by "STATEFP" then "CDFP".
| Field Name | Field Description | Example |
|---|---|---|
| STATE | State postal abbreviation | TX |
| STATEFP | State FIPS code | 48 |
| CDFP | 116th Congressional District FIPS code | 06 |
| CDNAME | Congressional District name and legal/statistical area description | Congressional District 6 |
County and County Equivalent Entities
2020 Census codes for Counties and County Equivalent Entities sorted by "STATEFP" then "COUNTYFP".
Please select a state or equivalent entity:
| Field Name | Field Description | Example |
|---|---|---|
| STATE | State postal abbreviation | TX |
| STATEFP | State FIPS code | 48 |
| COUNTYFP | County FIPS code | 041 |
| COUNTYNS | County NS code | 01383806 |
| COUNTYNAME | County name and legal/statistical area description | Brazos County |
| CLASSFP | FIPS class code | H1 |
| FUNCSTAT | Functional status | A |
FIPS Class Codes (CLASSFP)
- H1: Identifies an active county or statistically equivalent entity that does not qualify under subclass C7 or H6.
- H4: Identifies a legally defined inactive or nonfunctioning county or statistically equivalent entity that does not qualify under subclass H6.
- H5: Identifies census areas in Alaska, a statistical county equivalent entity.
- H6: Identifies a county or statistically equivalent entity that is coextensive in area or governmentally consolidated with an incorporated place, part of an incorporated place, or a consolidated city.
- C7: Identifies an incorporated place that is an independent of any county.
Functional Status Codes (FUNCSTAT)
- A: Identifies an active government providing primary general-purpose functions.
- B: Identifies an active government that is partially consolidated with another government but with separate officials providing primary general-purpose functions.
- C: Identifies an active government consolidated with another government with a single set of officials.
- F: Identifies a fictitious entity created to fill the Census Bureau's geographic hierarchy.
- G: Identifies an active government that is subordinate to another unit of government.
- N: Identifies a nonfunctioning legal entity.
- S: Identifies a statistical entity
County Subdivisions
2020 Census codes for County Subdivisions sorted by "STATEFP" then "COUNTYFP" then "COUSUBFP".
Please select a state or equivalent entity:
| Field Name | Field Description | Example |
|---|---|---|
| STATE | State postal abbreviation | AR |
| STATEFP | State FIPS code | 05 |
| COUNTYFP | County FIPS code | 131 |
| COUNTYNAME | County name and legal/statistical area description | Sebastian County |
| COUSUBFP | County subdivision FIPS code | 91105 |
| COUSUBNS | County subdivision NS code | 02805599 |
| COUSUBNAME | County subdivision name and legal/statistical area description | Township 1 |
| CLASSFP | FIPS class code | Z1 |
| FUNCSTAT | Functional Status | N |
FIPS Class Codes (CLASSFP):
- T1: Identifies an active county subdivision that is not coextensive with an incorporated place.
- T5: Identifies an active county subdivision that is coextensive with an incorporated place.
- T9: Identifies an inactive county subdivision.
- Z1: Identifies a nonfunctioning county subdivision.
- Z2: Identifies a county subdivision that is coextensive with an American Indian, Alaska Native, or Native Hawaiian area and legally is independent of any other county subdivision.
- Z3: Identifies a county subdivision defined as an unorganized territory.
- Z5: Identifies a statistical county subdivision.
- Z7: Identifies a county subdivision that is coextensive with a county or equivalent feature or all or part of an incorporated place that the Census Bureau recognizes separately.
- Z9: Identifies a county subdivision not defined.
- C2: Identifies an active incorporated place that is legally coextensive with a county subdivision but treated as independent of any county subdivision.
- C5: Identifies an active incorporated place that is independent of any county subdivision and serves as a county subdivision equivalent.
Functional Status Codes (FUNCSTAT):
- A: Identifies an active government providing primary general-purpose functions.
- B: Identifies an active government that is partially consolidated with another government but with separate officials providing primary general-purpose functions.
- C: Identifies an active government consolidated with another government with a single set of officials.
- F: Identifies a fictitious entity created to fill the Census Bureau's geographic hierarchy,
- G: Identifies an active government that is subordinate to another unit of government.
- I: Identifies an inactive governmental unit that has the power to provide primary special-purpose functions.
- N: Identifies a nonfunctioning legal entity.
- S: Identifies a statistical entity.
Place
2020 Census codes for Incorporated and Census Designated Places. Two tables are provided for download. Both tables contain a complete listing of “Places” nationwide but use different structures.
- Place Table: Contains a single record for every place in the state/nation sorted by "STATEFP" and then "PLACEFP". When the place extends into multiple counties, those counties are listed in the “COUNTIES” field. In the example below the “Fanning springs city” extends into Gilchrist and Levy Counties.
- Place by County Table: Contains at least one record for every place in the state/nation sorted by "STATEFP", then "COUNTYFP", and then "PLACEFP". When the place extends into multiple counties, the table includes a separate record for each county. In this table, “Millington town” requires 2 records, one each for Kent and Queen Anne’s Counties.
Place Table
Please select a state or equivalent entity:
| Field Name | Field Description | Example |
|---|---|---|
| STATE | State postal abbreviation | FL |
| STATEFP | State FIPS code | 12 |
| PLACEFP | Place FIPS code | 21850 |
| PLACENS | Place NS code | 02403596 |
| PLACENAME | Place name and legal/statistical area description | Fanning Springs city |
| TYPE | Place type | Incorporated Place |
| CLASSFP | FIPS class code | C1 |
| FUNCSTAT | Legal functional status | A |
| COUNTIES | Name of county or counties in which this place is located | Gilchrist County~~~ Levy County |
Place by County Table
Please select a state or equivalent entity:
| Field Name | Field Description | Example |
|---|---|---|
| STATE | State postal abbreviation | MD |
| STATEFP | State FIPS code | 24 |
| COUNTYFP | County FIPS code | 029 |
| COUNTYNAME | County name and legal/statistical area description | Kent County |
| PLACEFP | Place FIPS code | 52825 |
| PLACENS | Place NS code | 02391303 |
| PLACENAME | Place name and legal/statistical area description | Millington town |
| TYPE | Place type | Incorporated Place |
| CLASSFP | FIPS class code | C1 |
| FUNCSTAT | Legal functional status | A |
CLASSFP:
- C1: Identifies an active incorporated place that does not serve as a county subdivision equivalent
- C2: Identifies an active incorporated place that is legally coextensive with a county subdivision but treated as independent of any county subdivision
- C5: Identifies an active incorporated place that is independent of any county subdivision and serves as a county subdivision equivalent
- C6: Identifies an active incorporated place that is partially independent of any county subdivision and serves as a county subdivision equivalent or partially coextensive with a county subdivision but treated as independent of any county subdivision
- C7: Identifies an incorporated place that is independent of any county
- C8: Identifies the balance of a consolidated city excluding the separately incorporated place(s) within that consolidated government
- C9: Identifies an inactive or nonfunctioning incorporated place
- M2: Identifies a military or other defense installation entirely within a census designated place
- U1: Identifies a census designated place with an official federally recognized name
- U2: Identifies a census designated place without an official federally recognized name
FUNCSTAT:
- A: Identifies an active government providing primary general-purpose functions
- B: Identifies an active government that is partially consolidated with another government but with separate officials providing primary general-purpose functions
- F: Identifies a fictitious entity created to fill the Census Bureau's geographic hierarchy
- I: Identifies an inactive governmental unit that has the power to provide primary special-purpose functions
- N: Identifies a nonfunctioning legal entity
- S: Identifies a statistical entity
School Districts
2020 Census LEA codes for School Districts sorted by "STATEFP" then "LEA".
Please select a state or equivalent entity:
| Field Name | Field Description | Example |
|---|---|---|
| STATE | State postal abbreviation | PA |
| STATEFP | State FIPS code | 42 |
| LEA | School district local education agency code | 02190 |
| SDNAME | School district name | Allegheny Valley School District |
| SDTYPE | School district type | Unified |
State Legislative District (Lower Chamber)
2020 Census codes for State Legislative Districts (Lower Chamber) sorted by: "STATEFP" then "SLDLST".
Please select a state or equivalent entity:
| Field Name | Field Description | Example |
|---|---|---|
| STATE | State postal abbreviation | MN |
| STATEFP | State FIPS code | 27 |
| SLDLST | State Legislative district Lower Chamber code | 11B |
| SLDLNAME | State Legislative district Lower Chamber name | State House District 11B |
State Legislative District (Upper Chamber)
2020 Census codes for State Legislative Districts (Upper Chamber) sorted by: "STATEFP" then "SLDUST".
Please select a state or equivalent entity:
| Field Name | Field Description | Example |
|---|---|---|
| STATE | State postal abbreviation | HI |
| STATEFP | State FIPS code | 15 |
| SLDUST | State Legislative district Upper Chamber code | 007 |
| SLDUNAME | State Legislative district Upper Chamber name | State Senate District 7 |
State and State Equivalents
2020 Census codes for State and State Equivalents sorted by "STATEFP".
| Field Name | Field Description | Example |
|---|---|---|
| STATE | State postal abbreviation | VA |
| STATEFP | State FIPS code | 51 |
| STATENS | State NS code | 01779803 |
| STATE_NAME | State name | Virginia |
State FIPS Codes for Outlying Areas of the United States and the Freely Associated States
| Area Name | State FIPS Code | State Postal Abbreviation | Status |
|---|---|---|---|
| American Samoa | 60 | AS | 1 |
| Federated States of Micronesia | 64 | FM | 3 |
| Guam | 66 | GU | 1 |
| Marshall Islands | 68 | MH | 3 |
| Commonwealth of the Northern Mariana Islands | 69 | MP | 1 |
| Palau | 70 | PW | 3 |
| Puerto Rico | 72 | PR | 1 |
| U.S. Minor Outlying Islands | 74 | UM | 2 |
| U.S. Virgin Islands | 78 | VI | 1 |
Status:
|
|||
State FIPS Codes for the Individual Minor Outlying Island Territories
| Area Name | State FIPS Code |
|---|---|
| Baker Island | 81 |
| Howland Island | 84 |
| Jarvis Island | 86 |
| Johnston Atoll | 67 |
| Kingman Reef | 89 |
| Midway Islands | 71 |
| Navassa Island | 76 |
| Palmyra Atoll | 95 |
| Wake Island | 79 |
Voting Districts
2020 Census codes for Voting Districts sorted by "STATEFP" then "COUNTYFP" and then "VTDST".
Please select a state or equivalent entity:
| Field Name | Field Description | Example |
|---|---|---|
| STATE | State postal abbreviation | MD |
| STATEFP | State FIPS code | 24 |
| COUNTYFP | County FIPS code | 009 |
| COUNTYNAME | County name and legal/statistical area description | Calvert County |
| VTDST | State assigned voting district code | 01-001 |
| VTDNAME | Voting district name and legal/statistical area description | Calvert Precinct 01-001 |
Related Information
Page Last Revised - May 1, 2023
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