ACS: 2001-2002 ACS Change Profile for Maryland -- Table 1


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TABLE 1. GENERAL DEMOGRAPHIC CHARACTERISTICS
	2001 Estimate	2001 Percent Distribution	2002 Estimate	2002 Percent Distribution	Difference (2002 - 2001)	Margin of Error of Difference	Statistically Significant
Total population	5,241,087	100%	5,321,993	100%	80,906	*****	- -
SEX AND AGE
Male	2,522,575	48.1%	2,563,377	48.2%	0.1%	+/-0.2%	no
Female	2,718,512	51.9%	2,758,616	51.8%	- 0.1%	+/-0.2%	no
Under 5 years	364,544	7.0%	368,176	6.9%	- 0.1%	+/-0.2%	no
5 to 9 years	398,751	7.6%	379,233	7.1%	- 0.5%	+/-0.5%	no
10 to 14 years	411,682	7.9%	407,284	7.7%	- 0.2%	+/-0.5%	no
15 to 19 years	335,829	6.4%	348,816	6.6%	0.2%	+/-0.2%	no
20 to 24 years	298,541	5.7%	315,378	5.9%	0.2%	+/-0.2%	no
25 to 34 years	711,895	13.6%	701,230	13.2%	- 0.4%	+/-0.2%	yes
35 to 44 years	898,315	17.1%	916,291	17.2%	0.1%	+/-0.2%	no
45 to 54 years	765,652	14.6%	789,046	14.8%	0.2%	+/-0.2%	no
55 to 59 years	268,301	5.1%	291,274	5.5%	0.4%	+/-0.2%	yes
60 to 64 years	210,033	4.0%	219,611	4.1%	0.1%	+/-0.2%	no
65 to 74 years	317,870	6.1%	316,664	6.0%	- 0.1%	+/-0.2%	no
75 to 84 years	200,624	3.8%	214,793	4.0%	0.2%	+/-0.2%	no
85 years and over	59,050	1.1%	54,197	1.0%	- 0.1%	+/-0.2%	no

Median age (years)	36.2	(NA)	36.6	(NA)	0.4	+/-0.2	yes

18 years and over	3,843,865	73.3%	3,944,816	74.1%	0.8%	+/-0.2%	yes
21 years and over	3,672,285	70.1%	3,755,428	70.6%	0.5%	+/-0.2%	yes
62 years and over	701,327	13.4%	709,818	13.3%	- 0.1%	+/-0.2%	no
65 years and over	577,544	11.0%	585,654	11.0%	0.0%	+/-0.2%	no
Male	239,036	41.4%	246,514	42.1%	0.7%	+/-0.5%	yes
Female	338,508	58.6%	339,140	57.9%	- 0.7%	+/-0.3%	yes

RACE
One race	5,097,623	97.3%	5,216,796	98.0%	0.7%	+/-0.5%	yes
White	3,330,827	63.6%	3,440,616	64.6%	1.0%	+/-0.3%	yes
Black or African American	1,407,322	26.9%	1,442,583	27.1%	0.2%	+/-0.5%	no
American Indian and Alaska Native	16,669	0.3%	12,235	0.2%	- 0.1%	+/-0.2%	no
Asian	225,126	4.3%	233,588	4.4%	0.1%	+/-0.2%	no
Asian Indian	56,899	1.1%	56,871	1.1%	0.0%	+/-0.2%	no
Chinese (except Taiwanese)	50,290	1.0%	58,014	1.1%	0.1%	+/-0.2%	no
Filipino	35,490	0.7%	23,987	0.5%	- 0.2%	+/-0.2%	no
Japanese	4,128	0.1%	7,230	0.1%	0.0%	+/-0.2%	no
Korean	43,157	0.8%	47,802	0.9%	0.1%	+/-0.2%	no
Vietnamese	18,461	0.4%	21,172	0.4%	0.0%	+/-0.2%	no
Other Asian	16,701	0.3%	18,512	0.3%	0.0%	+/-0.2%	no
Native Hawaiian and Other Pacific Islander	1,506	0.1%	2,644	0.1%	0.0%	+/-0.2%	no
Native Hawaiian	N	N	N	N	N	N	- -
Guamanian or Chamorro	N	N	N	N	N	N	- -
Samoan	N	N	N	N	N	N	- -
Other Pacific Islander	N	N	N	N	N	N	- -
Some other race	116,173	2.2%	85,130	1.6%	- 0.6%	+/-0.3%	yes
Two or more races	143,464	2.7%	105,197	2.0%	- 0.7%	+/-0.5%	yes
Two races including Some other race	43,161	0.8%	21,483	0.4%	- 0.4%	+/-0.2%	yes
Two races excluding Some other race, and Three or more races	100,303	1.9%	83,714	1.6%	- 0.3%	+/-0.3%	no

Race alone or in combination with one or more other races:
White	3,441,112	65.7%	3,512,433	66.0%	0.3%	+/-0.5%	no
Black or African American	1,489,047	28.4%	1,501,029	28.2%	- 0.2%	+/-0.2%	no
American Indian and Alaska Native	52,810	1.0%	48,484	0.9%	- 0.1%	+/-0.2%	no
Asian	248,361	4.7%	266,670	5.0%	0.3%	+/-0.2%	yes
Native Hawaiian and Other Pacific Islander	4,030	0.1%	4,927	0.1%	0.0%	+/-0.2%	no
Some other race	160,883	3.1%	107,566	2.0%	- 1.1%	+/-0.5%	yes

HISPANIC ORIGIN AND RACE
Total population	5,241,087	100%	5,321,993	100%	80,906	*****	- -
Hispanic or Latino (of any race)	235,511	4.5%	253,012	4.8%	0.3%	+/-0.2%	yes
Mexican	47,924	0.9%	48,638	0.9%	0.0%	+/-0.2%	no
Puerto Rican	31,111	0.6%	22,297	0.4%	- 0.2%	+/-0.2%	no
Cuban	13,447	0.3%	7,000	0.1%	- 0.2%	+/-0.2%	no
Other Hispanic or Latino	143,029	2.7%	175,077	3.3%	0.6%	+/-0.3%	yes
Not Hispanic or Latino	5,005,576	95.5%	5,068,981	95.2%	- 0.3%	+/-0.2%	yes
White alone	3,242,227	61.9%	3,288,547	61.8%	- 0.1%	+/-0.2%	no
Black or African American alone	1,400,848	26.7%	1,431,443	26.9%	0.2%	+/-0.3%	no
American Indian or Alaska Native alone	11,971	0.2%	9,905	0.2%	0.0%	+/-0.2%	no
Asian alone	223,230	4.3%	231,127	4.3%	0.0%	+/-0.2%	no
Native Hawaiian and Other Pacific Islander alone	1,506	0.1%	2,644	0.1%	0.0%	+/-0.2%	no
Some other race alone	17,160	0.3%	18,807	0.4%	0.1%	+/-0.2%	no
Two or more races:	108,634	2.1%	86,508	1.6%	- 0.5%	+/-0.3%	yes
Two races including Some other race	14,806	0.3%	5,721	0.1%	- 0.2%	+/-0.2%	no
Two races excluding Some other race, and Three or more races	93,828	1.8%	80,787	1.5%	- 0.3%	+/-0.3%	no

RELATIONSHIP
Household population	5,241,087	100%	5,321,993	100%	80,906	*****	- -
Householder	2,052,863	39.2%	2,080,525	39.1%	- 0.1%	+/-0.7%	no
Spouse	1,006,558	19.2%	1,047,438	19.7%	0.5%	+/-0.5%	no
Child	1,594,448	30.4%	1,587,951	29.8%	- 0.6%	+/-0.7%	no
Other relatives	335,046	6.4%	351,885	6.6%	0.2%	+/-0.7%	no
Nonrelatives	252,172	4.8%	254,194	4.8%	0.0%	+/-0.5%	no
Unmarried partner	108,141	2.1%	105,785	2.0%	- 0.1%	+/-0.2%	no

HOUSEHOLDS BY TYPE
Total households	2,013,646	100%	2,019,463	100%	5,817	+/-35,165	no
Family households (families)	1,356,970	67.4%	1,384,494	68.6%	1.2%	+/-1.3%	no
With own children under 18 years	656,966	32.6%	686,601	34.0%	1.4%	+/-1.0%	yes
Married-couple families	989,409	49.1%	1,014,596	50.2%	1.1%	+/-1.3%	no
With own children under 18 years	452,100	22.5%	477,346	23.6%	1.1%	+/-1.0%	yes
Female householder, no husband present	280,533	13.9%	283,709	14.0%	0.1%	+/-1.0%	no
With own children under 18 years	161,385	8.0%	169,731	8.4%	0.4%	+/-1.0%	no
Nonfamily households	656,676	32.6%	634,969	31.4%	- 1.2%	+/-1.5%	no
Householder living alone	538,729	26.8%	521,862	25.8%	- 1.0%	+/-1.3%	no
65 years and over	167,851	8.3%	163,234	8.1%	- 0.2%	+/-0.7%	no

Households with one or more people under 18 years	731,363	36.3%	758,696	37.6%	1.3%	+/-1.2%	yes
Households with one or more people 65 years and over	448,300	22.3%	430,689	21.3%	- 1.0%	+/-0.5%	yes

Average household size	2.60	(NA)	2.64	(NA)	0.04	+/-0.05	no
Average family size	3.18	(NA)	3.19	(NA)	0.01	+/-0.07	no

HOUSING OCCUPANCY
Total housing units	2,174,920	100%	2,197,126	100%	22,206	*****	- -
Occupied housing units	2,013,646	92.6%	2,019,463	91.9%	- 0.7%	+/-1.7%	no
Vacant housing units	161,274	7.4%	177,663	8.1%	0.7%	+/-1.7%	no

Homeowner vacancy rate (percent)	1.3	(NA)	1.7	(NA)	0.4	+/-0.7	no
Rental vacancy rate (percent)	6.0	(NA)	5.0	(NA)	-1.0	+/-1.7	no

HOUSING TENURE
Occupied housing units	2,013,646	100%	2,019,463	100%	5,817	+/-35,165	no
Owner-occupied	1,353,874	67.2%	1,396,143	69.1%	1.9%	+/-1.5%	yes
Renter-occupied	659,772	32.8%	623,320	30.9%	- 1.9%	+/-1.5%	yes

Average household size of owner-occupied unit	2.76	(NA)	2.75	(NA)	-0.01	+/-0.07	no
Average household size of renter-occupied unit	2.27	(NA)	2.38	(NA)	0.11	+/-0.07	yes

The profile universe is limited to the household population and excludes the population living in institutions, college dormitories, and other group quarters. Data are based on a sample and are subject to sampling variability.

For the characteristic Selected Monthly Owner Costs as a Percentage of Household Income, the percent distributions are calculated based on the total number of Housing Units With a Mortgage and Housing Units Without a Mortgage minus the number of housing units in the not computed category.

For the characteristic Gross Rent as a Percentage of Household Income, the percent distributions are calculated based on the total number of Specified Renter Occupied Units minus the number of units in the not computed category.

For the characteristic Gross Rent, the percent distributions and medians are calculated based on the total number of Specified Renter Occupied Units minus the number of units in the no cash rent category.

1. An '*' entry in the Margin of Error of the Difference column indicates that too few sample observations were available to compute a standard error and thus the margin of error of the difference. A statistical test is not appropriate.

2. An '**' entry in the Margin of Error of the Difference column indicates that no sample observations were available to compute a standard error and thus the margin of error of the difference. In this case, an '-' entry is placed in the Difference column. A statistical test is not appropriate.

3. An '-' entry in an Estimate or Percent Distribution column indicates that no sample observations were available to compute an estimate.

4. An '-' following a median estimate means the median falls in the lowest interval of an open-ended distribution.

5. An '+' following a median estimate means the median falls in the upper interval of an open-ended distribution.

6. An '***' entry in the Margin of Error of the Difference column indicates that the median falls in the lowest interval or upper interval of an open-ended distribution. In this case, an '---' entry is placed in the Difference column. A statistical test is not appropriate.

7. An '*****' entry in the Margin of Error of the Difference column indicates that both single year estimates are controlled. A statistical test is not appropriate.

8. There is an '--' entry in the Statistically Significant column when the Margin of Error of the Difference is set to '*', '**', '***', or '*****'.

9. An 'N' entry in an Estimate, Percent Distribution, Difference, and/or Margin of Error of the Difference columns indicates that data for this geographic area cannot be displayed because the number of sample cases is too small.

10. An '(NA)' entry in the Percent Distribution, Difference, Margin of Error of the Difference, and/or Statistically Significant columns indicates that a test or calculation was not done.

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American Community Survey (ACS)