CENSUS TRANSPORTATION PLANNING PACKAGE (CTPP 2000) Table 1. Profile of Selected 1990 and 2000 Characteristics
Geographic Area: Suffolk County, New York
Subject	1990 Census		Census 2000		Change 1990 to 2000
	Number	Percent	Number	Percent	Number	Percent
POPULATION
Total population	1,321,864	100.0	1,419,369	100.0	97,505	7.4
In households	1,292,574	97.8	1,390,780	98.0	98,206	7.6
In group quarters	29,290	2.2	28,589	2.0	-701	-2.4
HOUSEHOLD SIZE
Total households	424,623	100.0	469,535	100.0	44,912	10.6
1-person household	66,959	15.8	85,801	18.3	18,842	28.1
2-person household	118,073	27.8	136,811	29.1	18,738	15.9
3-person household	82,292	19.4	84,443	18.0	2,151	2.6
4-person household	85,882	20.2	86,733	18.5	851	1.0
5-or-more-person household	71,417	16.8	75,747	16.1	4,330	6.1
Mean number of persons per household	3.04	(X)	2.96	(X)	-0.08	(X)
VEHICLES AVAILABLE1
Total households	424,623	100.0	469,535	100.0	44,912	10.6
No vehicle available	23,896	5.6	25,352	5.4	1,456	6.1
1 vehicle available	103,216	24.3	125,575	26.7	22,359	21.7
2 vehicles available	181,984	42.9	212,521	45.3	30,537	16.8
3 vehicles available	75,202	17.7	74,120	15.8	-1,082	-1.4
4 vehicles available	28,766	6.8	23,777	5.1	-4,989	-17.3
5 or more vehicles available	11,559	2.7	8,190	1.7	-3,369	-29.1
Mean vehicles per household	2.05	(X)	1.94	(X)	-0.11	(X)
WORKERS BY SEX1
Workers 16 years and over	652,989	100.0	670,405	100.0	17,416	2.7
Male	363,934	55.7	365,245	54.5	1,311	0.4
Female	289,055	44.3	305,160	45.5	16,105	5.6
MEANS OF TRANSPORTATION TO WORK
Workers 16 years and over	652,989	100.0	670,406	100.0	17,417	2.7
Drove alone	507,767	77.8	523,534	78.1	15,767	3.1
Carpooled	68,963	10.6	66,911	10.0	-2,052	-3.0
Public transportation (including taxicab)	44,768	6.9	45,808	6.8	1,040	2.3
Bicycle or walked	15,144	2.3	12,538	1.9	-2,606	-17.2
Motorcycle or other means	3,553	0.5	3,814	0.6	261	7.3
Worked at home	12,794	2.0	17,801	2.7	5,007	39.1
TRAVEL TIME TO WORK
Workers who did not work at home	640,195	100.0	652,605	100.0	12,410	1.9
Less than 5 minutes	15,799	2.5	15,111	2.3	-688	-4.4
5 to 9 minutes	64,873	10.1	61,414	9.4	-3,459	-5.3
10 to 14 minutes	98,363	15.4	86,980	13.3	-11,383	-11.6
15 to 19 minutes	92,531	14.5	91,142	14.0	-1,389	-1.5
20 to 29 minutes	111,374	17.4	121,516	18.6	10,142	9.1
30 to 44 minutes	116,611	18.2	121,857	18.7	5,246	4.5
45 or more minutes	140,644	22.0	154,585	23.7	13,941	9.9
Mean travel time to work (minutes)	28.5	(X)	31.8	(X)	3.3	(X)
TIME LEAVING HOME TO GO TO WORK
Workers who did not work at home	640,195	100.0	652,605	100.0	12,410	1.9
5:00 a.m. to 6:59 a.m.	154,034	24.1	158,222	24.2	4,188	2.7
7:00 a.m. to 7:59 a.m.	179,975	28.1	181,369	27.8	1,394	0.8
8:00 a.m. to 8:59 a.m.	140,712	22.0	138,179	21.2	-2,533	-1.8
9:00 a.m. to 9:59 a.m.	48,314	7.5	50,487	7.7	2,173	4.5
10:00 a.m. to 11:59 a.m.	23,522	3.7	25,320	3.9	1,798	7.6
12:00 p.m. to 11:59 p.m.	80,534	12.6	80,546	12.3	12	[ >0 ]
12:00 a.m. to 4:59 a.m.	13,104	2.0	18,482	2.8	5,378	41.0
1See the entry for this item in the Technical Notes in the root directory or state subdirectories (filename: tech_notes.txt). >0Value is too near zero to display. (X)Not applicable. Source:U.S. Census Bureau. Census of Population and Housing, 1990 and 2000 long-form (sample) data.

CENSUS TRANSPORTATION PLANNING PACKAGE (CTPP 2000) Table 2. Profile of Selected 2000 Characteristics
Geographic Area: Suffolk County, New York
Subject	Census 2000
	Number	Percent
POPULATION BY AGE
Total population	1,419,369	100.0
Under 16 years	332,521	23.4
16 to 20 years	84,792	6.0
21 to 24 years	59,655	4.2
25 to 44 years	445,059	31.4
45 to 64 years	329,821	23.2
65 years and over	167,521	11.8
Mean age (years)	36.0	(X)
HOUSEHOLD INCOME IN 19991
Total households	469,535	100.0
Less than $15,000	37,601	8.0
$15,000 to 19,999	16,633	3.5
$20,000 to 24,999	17,513	3.7
$25,000 to 49,999	98,658	21.0
$50,000 to 74,999	101,668	21.7
$75,000 to 99,999	77,601	16.5
$100,000 or more	119,861	25.5
Mean household income (dollars)	79,409	(X)
Median household income (dollars)	65,288	(X)
Household Size by Vehicles Available1
Household Size		Mean vehicles per household	Vehicles available
			Total households	No vehicle	1 vehicle	2 vehicles	3 vehicles	4 or more vehicles
Total households		1.94	469,535	25,350	125,575	212,520	74,120	31,965
	Row percent	(X)	100.0	5.4	26.7	45.3	15.8	6.8
	Column percent	(X)	100.0	100.0	100.0	100.0	100.0	100.0
1-person household		1.03	85,800	14,165	58,955	10,005	1,830	850
	Row percent	(X)	100.0	16.5	68.7	11.7	2.1	1.0
	Column percent	(X)	18.3	55.9	46.9	4.7	2.5	2.7
2-person household		1.81	136,810	4,885	35,860	80,150	13,130	2,790
	Row percent	(X)	100.0	3.6	26.2	58.6	9.6	2.0
	Column percent	(X)	29.1	19.3	28.6	37.7	17.7	8.7
3-person household		2.20	84,445	2,335	12,885	40,950	23,700	4,575
	Row percent	(X)	100.0	2.8	15.3	48.5	28.1	5.4
	Column percent	(X)	18.0	9.2	10.3	19.3	32.0	14.3
4-or-more-person household		2.40	162,480	3,970	17,875	81,415	35,465	23,755
	Row percent	(X)	100.0	2.4	11.0	50.1	21.8	14.6
	Column percent	(X)	34.6	15.7	14.2	38.3	47.8	74.3
Means of Transportation to Work by Travel Time to Work1
Means of Transportation		Mean travel time to work (minutes)	Travel time to work
			Workers who did not work at home	Less than 10 minutes	10 to 19 minutes	20 to 29 minutes	30 to 44 minutes	45 or more minutes
Workers who did not work at home		31.8	652,605	76,525	178,120	121,515	121,855	154,585
	Row percent	(X)	100.0	11.7	27.3	18.6	18.7	23.7
	Column percent	(X)	100.0	100.0	100.0	100.0	100.0	100.0
Drove alone		27.5	523,535	62,395	151,955	107,245	105,095	96,845
	Row percent	(X)	100.0	11.9	29.0	20.5	20.1	18.5
	Column percent	(X)	80.2	81.5	85.3	88.3	86.2	62.6
Carpooled		33.2	66,910	7,170	17,650	10,865	12,810	18,410
	Row percent	(X)	100.0	10.7	26.4	16.2	19.1	27.5
	Column percent	(X)	10.3	9.4	9.9	8.9	10.5	11.9
Public transportation (including taxicab)		83.9	45,810	860	2,835	1,575	2,410	38,130
	Row percent	(X)	100.0	1.9	6.2	3.4	5.3	83.2
	Column percent	(X)	7.0	1.1	1.6	1.3	2.0	24.7
Bicycle or walked		13.3	12,540	5,405	4,395	1,325	950	455
	Row percent	(X)	100.0	43.1	35.0	10.6	7.6	3.6
	Column percent	(X)	1.9	7.1	2.5	1.1	0.8	0.3
Motorcycle or other means		33.8	3,815	695	1,290	505	585	740
	Row percent	(X)	100.0	18.2	33.8	13.2	15.3	19.4
	Column percent	(X)	0.6	0.9	0.7	0.4	0.5	0.5
1See the entry for this item in the Technical Notes in the root directory or state subdirectories (filename: tech_notes.txt). (X)Not applicable. Source:U.S. Census Bureau. Census of Population and Housing, 1990 and 2000 long-form (sample) data.