Small Area Health Insurance Estimates
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Health Insurance Coverage for Maryland Counties, 2000: Experimental Estimates
All ages, 2000
| ID | State and County | Number Insured | Number Uninsured | 90% Confidence Interval (±) | Percent Uninsured | 90% Confidence Interval (±) |
|---|---|---|---|---|---|---|
| 24000 | Maryland | 4,608,433 | 652,872 | 40,655 | 12.4 | 1.0 |
| 24001 | Allegany County | 59,885 | 8,463 | 1,466 | 12.4 | 2.1 |
| 24003 | Anne Arundel County | 426,866 | 55,250 | 9,756 | 11.5 | 2.0 |
| 24005 | Baltimore County | 671,660 | 75,009 | 13,884 | 10.0 | 1.9 |
| 24009 | Calvert County | 68,764 | 8,281 | 1,615 | 10.7 | 2.1 |
| 24011 | Caroline County | 25,011 | 4,689 | 621 | 15.8 | 2.1 |
| 24013 | Carroll County | 139,559 | 11,235 | 3,280 | 7.5 | 2.2 |
| 24015 | Cecil County | 76,982 | 10,374 | 1,874 | 11.9 | 2.1 |
| 24017 | Charles County | 110,232 | 13,445 | 2,670 | 10.9 | 2.2 |
| 24019 | Dorchester County | 25,474 | 4,525 | 620 | 15.1 | 2.1 |
| 24021 | Frederick County | 181,774 | 16,001 | 4,752 | 8.1 | 2.4 |
| 24023 | Garrett County | 24,915 | 4,264 | 654 | 14.6 | 2.2 |
| 24025 | Harford County | 199,784 | 21,006 | 4,531 | 9.5 | 2.0 |
| 24027 | Howard County | 224,958 | 27,881 | 5,395 | 11.0 | 2.1 |
| 24029 | Kent County | 15,908 | 2,402 | 394 | 13.1 | 2.2 |
| 24031 | Montgomery County | 782,231 | 104,529 | 17,285 | 11.8 | 1.9 |
| 24033 | Prince George's County | 680,926 | 122,762 | 15,803 | 15.3 | 2.0 |
| 24035 | Queen Anne's County | 36,938 | 3,951 | 894 | 9.7 | 2.2 |
| 24037 | St. Mary's County | 74,601 | 10,250 | 1,788 | 12.1 | 2.1 |
| 24039 | Somerset County | 16,377 | 3,610 | 401 | 18.1 | 2.0 |
| 24041 | Talbot County | 30,215 | 3,249 | 775 | 9.7 | 2.3 |
| 24043 | Washington County | 110,953 | 12,901 | 2,442 | 10.4 | 2.0 |
| 24045 | Wicomico County | 70,327 | 12,283 | 1,702 | 14.9 | 2.1 |
| 24047 | Worcester County | 41,028 | 6,022 | 955 | 12.8 | 2.0 |
| 24510 | Baltimore city | 513,065 | 110,491 | 11,817 | 17.7 | 1.9 |
Under age 18, 2000
| ID | State and County | Number Insured | Number Uninsured | 90% Confidence Interval (±) | Percent Uninsured | 90% Confidence Interval (±) |
|---|---|---|---|---|---|---|
| 24000 | Maryland | 1,233,176 | 154,061 | 14,084 | 11.1 | 2.0 |
| 24001 | Allegany County | 13,902 | 1,297 | 436 | 8.5 | 2.9 |
| 24003 | Anne Arundel County | 113,748 | 13,113 | 3,242 | 10.3 | 2.6 |
| 24005 | Baltimore County | 165,885 | 15,687 | 4,515 | 8.6 | 2.5 |
| 24009 | Calvert County | 20,845 | 1,914 | 625 | 8.4 | 2.7 |
| 24011 | Caroline County | 6,914 | 1,128 | 221 | 14.0 | 2.7 |
| 24013 | Carroll County | 39,889 | 2,429 | 1,158 | 5.7 | 2.7 |
| 24015 | Cecil County | 22,216 | 2,121 | 684 | 8.7 | 2.8 |
| 24017 | Charles County | 33,026 | 2,996 | 986 | 8.3 | 2.7 |
| 24019 | Dorchester County | 6,226 | 866 | 193 | 12.2 | 2.7 |
| 24021 | Frederick County | 51,760 | 4,140 | 1,507 | 7.4 | 2.7 |
| 24023 | Garrett County | 6,530 | 772 | 222 | 10.6 | 3.0 |
| 24025 | Harford County | 57,333 | 4,818 | 1,660 | 7.8 | 2.7 |
| 24027 | Howard County | 63,951 | 8,090 | 1,923 | 11.2 | 2.7 |
| 24029 | Kent County | 3,502 | 489 | 110 | 12.3 | 2.7 |
| 24031 | Montgomery County | 200,100 | 29,492 | 6,230 | 12.8 | 2.7 |
| 24033 | Prince George's County | 188,895 | 32,019 | 5,596 | 14.5 | 2.5 |
| 24035 | Queen Anne's County | 9,736 | 763 | 311 | 7.3 | 3.0 |
| 24037 | St. Mary's County | 22,171 | 2,312 | 674 | 9.4 | 2.7 |
| 24039 | Somerset County | 3,946 | 692 | 123 | 14.9 | 2.6 |
| 24041 | Talbot County | 6,807 | 625 | 218 | 8.4 | 2.9 |
| 24043 | Washington County | 28,792 | 2,436 | 828 | 7.8 | 2.6 |
| 24045 | Wicomico County | 18,571 | 2,683 | 571 | 12.6 | 2.7 |
| 24047 | Worcester County | 8,823 | 1,056 | 271 | 10.7 | 2.7 |
| 24510 | Baltimore city | 139,608 | 22,123 | 4,089 | 13.7 | 2.5 |
Final release date for these estimates: July 2005
Revised CPS ASEC Health Insurance Data
As inputs to its models, the 2000 and 2001 SAHIE program uses CPS ASEC data as originally published. In March 2007, the Census Bureau released a User's Note describing an issue in the health insurance edited data that affected estimates from calendar years 1996 to 2005. Later in the Spring, the Census Bureau released a full set of revised estimates from the 2005 and 2006 CPS ASEC's (calendar years 2004 and 2005) in addition to new public use files based on improvements to the algorithm that assigns coverage to non-policyholders. The Census Bureau plans to release a limited set of estimates for the earlier years using an approximation method to simulate the correction. The current SAHIE release is consistent with the full original data product. Future work will consider using the approximation method for modeling. For more details see revised CPS ASEC health insurance data.
SOURCE: Estimates obtained from models are applied to CPS data. Model inputs also include Census 2000, intercensal population estimates, and administrative records data. For information on the data sources, measures of uncertainty, confidentiality protection, and sources of error, see SAHIE source and accuracy.
The 90-percent confidence interval is a measure of an estimate's variability. The larger the confidence interval in relation to the size of the estimate, the less reliable the estimate.
