ACS: 2000-2002 ACS Change Profile for Middlesex County -- Table 1


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TABLE 1. GENERAL DEMOGRAPHIC CHARACTERISTICS
	2000 Estimate	2000 Percent Distribution	2002 Estimate	2002 Percent Distribution	Difference (2002 - 2000)	Margin of Error of Difference	Statistically Significant
Total population	1,412,506	100%	1,421,745	100%	9,239	*****	- -
SEX AND AGE
Male	682,970	48.4%	688,074	48.4%	0.0%	+/-0.2%	no
Female	729,536	51.6%	733,671	51.6%	0.0%	+/-0.2%	no
Under 5 years	91,895	6.5%	90,566	6.4%	- 0.1%	+/-0.2%	no
5 to 9 years	97,233	6.9%	91,772	6.5%	- 0.4%	+/-0.7%	no
10 to 14 years	89,041	6.3%	91,420	6.4%	0.1%	+/-0.7%	no
15 to 19 years	76,575	5.4%	73,538	5.2%	- 0.2%	+/-0.2%	no
20 to 24 years	76,388	5.4%	70,174	4.9%	- 0.5%	+/-0.2%	yes
25 to 34 years	229,571	16.3%	220,826	15.5%	- 0.8%	+/-0.2%	yes
35 to 44 years	252,730	17.9%	250,862	17.6%	- 0.3%	+/-0.2%	yes
45 to 54 years	199,093	14.1%	216,264	15.2%	1.1%	+/-0.2%	yes
55 to 59 years	73,518	5.2%	80,739	5.7%	0.5%	+/-0.5%	no
60 to 64 years	48,034	3.4%	55,639	3.9%	0.5%	+/-0.5%	no
65 to 74 years	96,279	6.8%	92,795	6.5%	- 0.3%	+/-0.2%	yes
75 to 84 years	65,357	4.6%	67,847	4.8%	0.2%	+/-0.3%	no
85 years and over	16,792	1.2%	19,303	1.4%	0.2%	+/-0.2%	no

Median age (years)	36.7	(NA)	38.0	(NA)	1.3	+/-0.3	yes

18 years and over	1,084,444	76.8%	1,097,544	77.2%	0.4%	+/-0.2%	yes
21 years and over	1,048,116	74.2%	1,062,151	74.7%	0.5%	+/-0.3%	yes
62 years and over	205,336	14.5%	210,473	14.8%	0.3%	+/-0.5%	no
65 years and over	178,428	12.6%	179,945	12.7%	0.1%	+/-0.2%	no
Male	73,206	41.0%	75,429	41.9%	0.9%	+/-1.2%	no
Female	105,222	59.0%	104,516	58.1%	- 0.9%	+/-0.8%	yes

RACE
One race	1,395,936	98.8%	1,398,127	98.3%	- 0.5%	+/-0.7%	no
White	1,235,203	87.4%	1,210,036	85.1%	- 2.3%	+/-0.8%	yes
Black or African American	49,411	3.5%	47,414	3.3%	- 0.2%	+/-0.2%	no
American Indian and Alaska Native	2,109	0.1%	2,460	0.2%	0.1%	+/-0.2%	no
Asian	88,356	6.3%	101,652	7.1%	0.8%	+/-0.5%	yes
Asian Indian	20,548	1.5%	24,662	1.7%	0.2%	+/-0.8%	no
Chinese (except Taiwanese)	23,075	1.6%	37,538	2.6%	1.0%	+/-0.8%	yes
Filipino	1,305	0.1%	1,054	0.1%	0.0%	+/-0.2%	no
Japanese	3,041	0.2%	3,269	0.2%	0.0%	+/-0.2%	no
Korean	10,682	0.8%	7,247	0.5%	- 0.3%	+/-0.3%	no
Vietnamese	9,000	0.6%	9,503	0.7%	0.1%	+/-0.7%	no
Other Asian	20,705	1.5%	18,379	1.3%	- 0.2%	+/-0.8%	no
Native Hawaiian and Other Pacific Islander	545	0.1%	0	0.0%	- 0.1%	+/-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	20,312	1.4%	36,565	2.6%	1.2%	+/-0.8%	yes
Two or more races	16,570	1.2%	23,618	1.7%	0.5%	+/-0.7%	no
Two races including Some other race	4,913	0.3%	8,164	0.6%	0.3%	+/-0.3%	no
Two races excluding Some other race, and Three or more races	11,657	0.8%	15,454	1.1%	0.3%	+/-0.5%	no

Race alone or in combination with one or more other races:
White	1,250,287	88.5%	1,229,768	86.5%	- 2.0%	+/-0.8%	yes
Black or African American	54,624	3.9%	54,004	3.8%	- 0.1%	+/-0.3%	no
American Indian and Alaska Native	4,904	0.3%	8,466	0.6%	0.3%	+/-0.2%	yes
Asian	94,762	6.7%	110,112	7.7%	1.0%	+/-0.2%	yes
Native Hawaiian and Other Pacific Islander	545	0.1%	703	0.1%	0.0%	+/-0.2%	no
Some other race	26,496	1.9%	45,023	3.2%	1.3%	+/-0.8%	yes

HISPANIC ORIGIN AND RACE
Total population	1,412,506	100%	1,421,745	100%	9,239	*****	- -
Hispanic or Latino (of any race)	62,945	4.5%	66,819	4.7%	0.2%	*****	- -
Mexican	4,708	0.3%	4,199	0.3%	0.0%	+/-0.2%	no
Puerto Rican	20,894	1.5%	24,132	1.7%	0.2%	+/-0.7%	no
Cuban	2,101	0.1%	0	0.0%	- 0.1%	+/-0.2%	no
Other Hispanic or Latino	35,242	2.5%	38,488	2.7%	0.2%	+/-0.8%	no
Not Hispanic or Latino	1,349,561	95.5%	1,354,926	95.3%	- 0.2%	*****	- -
White alone	1,194,642	84.6%	1,179,378	83.0%	- 1.6%	+/-0.3%	yes
Black or African American alone	47,329	3.4%	47,414	3.3%	- 0.1%	+/-0.2%	no
American Indian or Alaska Native alone	2,109	0.1%	2,460	0.2%	0.1%	+/-0.2%	no
Asian alone	88,356	6.3%	100,422	7.1%	0.8%	+/-0.5%	yes
Native Hawaiian and Other Pacific Islander alone	252	0.1%	0	0.0%	- 0.1%	+/-0.2%	no
Some other race alone	3,134	0.2%	8,843	0.6%	0.4%	+/-0.3%	yes
Two or more races:	13,739	1.0%	16,409	1.2%	0.2%	+/-0.5%	no
Two races including Some other race	2,656	0.2%	2,471	0.2%	0.0%	+/-0.2%	no
Two races excluding Some other race, and Three or more races	11,083	0.8%	13,938	1.0%	0.2%	+/-0.5%	no

RELATIONSHIP
Household population	1,412,506	100%	1,421,745	100%	9,239	*****	- -
Householder	574,890	40.7%	575,365	40.5%	- 0.2%	+/-1.0%	no
Spouse	293,746	20.8%	300,580	21.1%	0.3%	+/-1.0%	no
Child	392,858	27.8%	407,934	28.7%	0.9%	+/-1.0%	no
Other relatives	62,051	4.4%	63,143	4.4%	0.0%	+/-1.2%	no
Nonrelatives	88,961	6.3%	74,723	5.3%	- 1.0%	+/-1.0%	no
Unmarried partner	27,353	1.9%	25,016	1.8%	- 0.1%	+/-0.5%	no

HOUSEHOLDS BY TYPE
Total households	549,974	100%	554,224	100%	4,250	+/-8,106	no
Family households (families)	347,519	63.2%	363,380	65.6%	2.4%	+/-2.5%	no
With own children under 18 years	157,461	28.6%	167,126	30.2%	1.6%	+/-2.3%	no
Married-couple families	279,821	50.9%	289,962	52.3%	1.4%	+/-2.6%	no
With own children under 18 years	122,284	22.2%	130,787	23.6%	1.4%	+/-2.0%	no
Female householder, no husband present	50,090	9.1%	56,241	10.1%	1.0%	+/-1.7%	no
With own children under 18 years	28,705	5.2%	32,144	5.8%	0.6%	+/-1.3%	no
Nonfamily households	202,455	36.8%	190,844	34.4%	- 2.4%	+/-2.6%	no
Householder living alone	151,461	27.5%	147,955	26.7%	- 0.8%	+/-2.6%	no
65 years and over	51,903	9.4%	50,142	9.0%	- 0.4%	+/-1.3%	no

Households with one or more people under 18 years	169,527	30.8%	176,329	31.8%	1.0%	+/-2.5%	no
Households with one or more people 65 years and over	131,811	24.0%	131,278	23.7%	- 0.3%	+/-1.0%	no

Average household size	2.57	(NA)	2.57	(NA)	0.00	+/-0.05	no
Average family size	3.21	(NA)	3.16	(NA)	-0.05	+/-0.10	no

HOUSING OCCUPANCY
Total housing units	576,681	100%	581,090	100%	4,409	*****	- -
Occupied housing units	549,974	95.4%	554,224	95.4%	0.0%	+/-1.3%	no
Vacant housing units	26,707	4.6%	26,866	4.6%	0.0%	+/-1.3%	no

Homeowner vacancy rate (percent)	0.2	(NA)	0.8	(NA)	0.6	+/-0.7	no
Rental vacancy rate (percent)	4.4	(NA)	3.6	(NA)	-0.8	+/-2.6	no

HOUSING TENURE
Occupied housing units	549,974	100%	554,224	100%	4,250	+/-8,106	no
Owner-occupied	331,023	60.2%	358,408	64.7%	4.5%	+/-2.5%	yes
Renter-occupied	218,951	39.8%	195,816	35.3%	- 4.5%	+/-2.8%	yes

Average household size of owner-occupied unit	2.86	(NA)	2.80	(NA)	-0.06	+/-0.08	no
Average household size of renter-occupied unit	2.13	(NA)	2.13	(NA)	0.00	+/-0.12	no

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.

The number of householders does not necessarily equal the number of households because of differences in the weighting schemes for the population and occupied housing units.

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)