CENSUS TRANSPORTATION PLANNING PACKAGE (CTPP 2000) Table 1. Profile of Selected 1990 and 2000 Characteristics
Geographic Area: Williamson County, Tennessee
Subject	1990 Census		Census 2000		Change 1990 to 2000
	Number	Percent	Number	Percent	Number	Percent
POPULATION
Total population	81,021	100.0	126,638	100.0	45,617	56.3
In households	80,345	99.2	125,639	99.2	45,294	56.4
In group quarters	676	0.8	999	0.8	323	47.8
HOUSEHOLD SIZE
Total households	28,152	100.0	44,824	100.0	16,672	59.2
1-person household	4,123	14.6	7,415	16.5	3,292	79.8
2-person household	8,693	30.9	14,688	32.8	5,995	69.0
3-person household	5,978	21.2	8,640	19.3	2,662	44.5
4-person household	6,160	21.9	9,005	20.1	2,845	46.2
5-or-more-person household	3,198	11.4	5,076	11.3	1,878	58.7
Mean number of persons per household	2.85	(X)	2.80	(X)	-0.05	(X)
VEHICLES AVAILABLE1
Total households	28,152	100.0	44,824	100.0	16,672	59.2
No vehicle available	1,069	3.8	1,121	2.5	52	4.9
1 vehicle available	5,622	20.0	9,545	21.3	3,923	69.8
2 vehicles available	13,812	49.1	22,238	49.6	8,426	61.0
3 vehicles available	5,659	20.1	8,870	19.8	3,211	56.7
4 vehicles available	1,465	5.2	2,298	5.1	833	56.9
5 or more vehicles available	525	1.9	752	1.7	227	43.2
Mean vehicles per household	2.09	(X)	2.09	(X)	[ <0 ]	(X)
WORKERS BY SEX1
Workers 16 years and over	40,755	100.0	64,650	100.0	23,895	58.6
Male	23,145	56.8	36,280	56.1	13,135	56.8
Female	17,610	43.2	28,370	43.9	10,760	61.1
MEANS OF TRANSPORTATION TO WORK
Workers 16 years and over	40,755	100.0	64,650	100.0	23,895	58.6
Drove alone	33,319	81.8	54,026	83.6	20,707	62.1
Carpooled	4,928	12.1	6,038	9.3	1,110	22.5
Public transportation (including taxicab)	233	0.6	126	0.2	-107	-45.9
Bicycle or walked	472	1.2	452	0.7	-20	-4.2
Motorcycle or other means	234	0.6	532	0.8	298	127.4
Worked at home	1,569	3.8	3,476	5.4	1,907	121.5
TRAVEL TIME TO WORK
Workers who did not work at home	39,186	100.0	61,174	100.0	21,988	56.1
Less than 5 minutes	1,127	2.9	1,204	2.0	77	6.8
5 to 9 minutes	3,592	9.2	4,370	7.1	778	21.7
10 to 14 minutes	4,411	11.3	7,181	11.7	2,770	62.8
15 to 19 minutes	4,726	12.1	8,540	14.0	3,814	80.7
20 to 29 minutes	9,519	24.3	15,541	25.4	6,022	63.3
30 to 44 minutes	10,714	27.3	16,436	26.9	5,722	53.4
45 or more minutes	5,097	13.0	7,902	12.9	2,805	55.0
Mean travel time to work (minutes)	24.6	(X)	26.3	(X)	1.6	(X)
TIME LEAVING HOME TO GO TO WORK
Workers who did not work at home	39,186	100.0	61,174	100.0	21,988	56.1
5:00 a.m. to 6:59 a.m.	11,592	29.6	16,988	27.8	5,396	46.5
7:00 a.m. to 7:59 a.m.	15,457	39.4	22,103	36.1	6,646	43.0
8:00 a.m. to 8:59 a.m.	5,447	13.9	10,456	17.1	5,009	92.0
9:00 a.m. to 9:59 a.m.	1,972	5.0	3,235	5.3	1,263	64.0
10:00 a.m. to 11:59 a.m.	668	1.7	1,642	2.7	974	145.8
12:00 p.m. to 11:59 p.m.	3,406	8.7	5,454	8.9	2,048	60.1
12:00 a.m. to 4:59 a.m.	644	1.6	1,296	2.1	652	101.2
1See the entry for this item in the Technical Notes in the root directory or state subdirectories (filename: tech_notes.txt). <0Negative value 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: Williamson County, Tennessee
Subject	Census 2000
	Number	Percent
POPULATION BY AGE
Total population	126,638	100.0
Under 16 years	33,085	26.1
16 to 20 years	7,786	6.1
21 to 24 years	4,147	3.3
25 to 44 years	40,403	31.9
45 to 64 years	31,438	24.8
65 years and over	9,779	7.7
Mean age (years)	34.0	(X)
HOUSEHOLD INCOME IN 19991
Total households	44,824	100.0
Less than $15,000	3,126	7.0
$15,000 to 19,999	1,240	2.8
$20,000 to 24,999	1,421	3.2
$25,000 to 49,999	9,865	22.0
$50,000 to 74,999	8,718	19.4
$75,000 to 99,999	6,937	15.5
$100,000 or more	13,517	30.2
Mean household income (dollars)	91,152	(X)
Median household income (dollars)	69,104	(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		2.09	44,825	1,120	9,545	22,240	8,870	3,050
	Row percent	(X)	100.0	2.5	21.3	49.6	19.8	6.8
	Column percent	(X)	100.0	100.0	100.0	100.0	100.0	100.0
1-person household		1.17	7,415	595	5,370	1,135	235	75
	Row percent	(X)	100.0	8.0	72.4	15.3	3.2	1.0
	Column percent	(X)	16.5	53.1	56.3	5.1	2.6	2.5
2-person household		2.04	14,690	270	2,355	9,185	2,385	500
	Row percent	(X)	100.0	1.8	16.0	62.5	16.2	3.4
	Column percent	(X)	32.8	24.1	24.7	41.3	26.9	16.4
3-person household		2.34	8,640	100	1,070	4,235	2,485	745
	Row percent	(X)	100.0	1.2	12.4	49.0	28.8	8.6
	Column percent	(X)	19.3	8.9	11.2	19.0	28.0	24.4
4-or-more-person household		2.47	14,080	160	750	7,685	3,765	1,725
	Row percent	(X)	100.0	1.1	5.3	54.6	26.7	12.3
	Column percent	(X)	31.4	14.3	7.9	34.6	42.4	56.6
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		26.3	61,175	5,575	15,720	15,540	16,435	7,900
	Row percent	(X)	100.0	9.1	25.7	25.4	26.9	12.9
	Column percent	(X)	100.0	100.0	100.0	100.0	100.0	100.0
Drove alone		25.7	54,025	4,595	14,005	14,150	14,585	6,690
	Row percent	(X)	100.0	8.5	25.9	26.2	27.0	12.4
	Column percent	(X)	88.3	82.4	89.1	91.1	88.7	84.7
Carpooled		27.4	6,040	565	1,510	1,245	1,750	970
	Row percent	(X)	100.0	9.4	25.0	20.6	29.0	16.1
	Column percent	(X)	9.9	10.1	9.6	8.0	10.6	12.3
Public transportation (including taxicab)		46.5	125	20	30	35	15	25
	Row percent	(X)	100.0	16.0	24.0	28.0	12.0	20.0
	Column percent	(X)	0.2	0.4	0.2	0.2	0.1	0.3
Bicycle or walked		6.0	450	340	80	30	0	0
	Row percent	(X)	100.0	75.6	17.8	6.7	0.0	0.0
	Column percent	(X)	0.7	6.1	0.5	0.2	0.0	0.0
Motorcycle or other means		84.9	530	55	95	80	85	220
	Row percent	(X)	100.0	10.4	17.9	15.1	16.0	41.5
	Column percent	(X)	0.9	1.0	0.6	0.5	0.5	2.8
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.