CENSUS TRANSPORTATION PLANNING PACKAGE (CTPP 2000) Table 1. Profile of Selected 1990 and 2000 Characteristics
Geographic Area: Hamilton County, Iowa
Subject	1990 Census		Census 2000		Change 1990 to 2000
	Number	Percent	Number	Percent	Number	Percent
POPULATION
Total population	16,071	100.0	16,438	100.0	367	2.3
In households	15,811	98.4	16,232	98.7	421	2.7
In group quarters	260	1.6	206	1.3	-54	-20.8
HOUSEHOLD SIZE
Total households	6,407	100.0	6,689	100.0	282	4.4
1-person household	1,570	24.5	1,838	27.5	268	17.1
2-person household	2,353	36.7	2,518	37.6	165	7.0
3-person household	913	14.3	851	12.7	-62	-6.8
4-person household	999	15.6	914	13.7	-85	-8.5
5-or-more-person household	572	8.9	568	8.5	-4	-0.7
Mean number of persons per household	2.47	(X)	2.43	(X)	-0.04	(X)
VEHICLES AVAILABLE1
Total households	6,407	100.0	6,689	100.0	282	4.4
No vehicle available	384	6.0	309	4.6	-75	-19.5
1 vehicle available	1,863	29.1	2,022	30.2	159	8.5
2 vehicles available	2,518	39.3	2,778	41.5	260	10.3
3 vehicles available	1,119	17.5	1,195	17.9	76	6.8
4 vehicles available	442	6.9	280	4.2	-162	-36.7
5 or more vehicles available	81	1.3	105	1.6	24	29.6
Mean vehicles per household	1.95	(X)	1.92	(X)	-0.03	(X)
WORKERS BY SEX1
Workers 16 years and over	7,633	100.0	8,395	100.0	762	10.0
Male	4,189	54.9	4,445	52.9	256	6.1
Female	3,444	45.1	3,950	47.1	506	14.7
MEANS OF TRANSPORTATION TO WORK
Workers 16 years and over	7,633	100.0	8,393	100.0	760	10.0
Drove alone	5,548	72.7	6,491	77.3	943	17.0
Carpooled	882	11.6	1,092	13.0	210	23.8
Public transportation (including taxicab)	17	0.2	20	0.2	3	17.6
Bicycle or walked	433	5.7	311	3.7	-122	-28.2
Motorcycle or other means	40	0.5	52	0.6	12	30.0
Worked at home	713	9.3	427	5.1	-286	-40.1
TRAVEL TIME TO WORK
Workers who did not work at home	6,920	100.0	7,966	100.0	1,046	15.1
Less than 5 minutes	794	11.5	762	9.6	-32	-4.0
5 to 9 minutes	2,332	33.7	2,476	31.1	144	6.2
10 to 14 minutes	1,205	17.4	1,431	18.0	226	18.8
15 to 19 minutes	833	12.0	869	10.9	36	4.3
20 to 29 minutes	777	11.2	1,123	14.1	346	44.5
30 to 44 minutes	672	9.7	818	10.3	146	21.7
45 or more minutes	307	4.4	487	6.1	180	58.6
Mean travel time to work (minutes)	13.9	(X)	15.9	(X)	2.0	(X)
TIME LEAVING HOME TO GO TO WORK
Workers who did not work at home	6,920	100.0	7,966	100.0	1,046	15.1
5:00 a.m. to 6:59 a.m.	2,106	30.4	2,659	33.4	553	26.3
7:00 a.m. to 7:59 a.m.	2,161	31.2	2,658	33.4	497	23.0
8:00 a.m. to 8:59 a.m.	924	13.4	888	11.1	-36	-3.9
9:00 a.m. to 9:59 a.m.	276	4.0	188	2.4	-88	-31.9
10:00 a.m. to 11:59 a.m.	135	2.0	107	1.3	-28	-20.7
12:00 p.m. to 11:59 p.m.	1,145	16.5	1,199	15.1	54	4.7
12:00 a.m. to 4:59 a.m.	173	2.5	267	3.4	94	54.3
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.

CENSUS TRANSPORTATION PLANNING PACKAGE (CTPP 2000) Table 2. Profile of Selected 2000 Characteristics
Geographic Area: Hamilton County, Iowa
Subject	Census 2000
	Number	Percent
POPULATION BY AGE
Total population	16,438	100.0
Under 16 years	3,678	22.4
16 to 20 years	1,058	6.4
21 to 24 years	608	3.7
25 to 44 years	4,474	27.2
45 to 64 years	3,662	22.3
65 years and over	2,958	18.0
Mean age (years)	39.0	(X)
HOUSEHOLD INCOME IN 19991
Total households	6,689	100.0
Less than $15,000	960	14.4
$15,000 to 19,999	482	7.2
$20,000 to 24,999	502	7.5
$25,000 to 49,999	2,397	35.8
$50,000 to 74,999	1,473	22.0
$75,000 to 99,999	548	8.2
$100,000 or more	327	4.9
Mean household income (dollars)	46,159	(X)
Median household income (dollars)	38,658	(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		1.92	6,690	310	2,020	2,780	1,195	385
	Row percent	(X)	100.0	4.6	30.2	41.6	17.9	5.8
	Column percent	(X)	100.0	100.0	100.0	100.0	100.0	100.0
1-person household		1.19	1,840	235	1,180	270	130	20
	Row percent	(X)	100.0	12.8	64.1	14.7	7.1	1.1
	Column percent	(X)	27.5	75.8	58.4	9.7	10.9	5.2
2-person household		1.99	2,520	55	475	1,530	370	85
	Row percent	(X)	100.0	2.2	18.8	60.7	14.7	3.4
	Column percent	(X)	37.7	17.7	23.5	55.0	31.0	22.1
3-person household		2.20	850	10	210	305	265	60
	Row percent	(X)	100.0	1.2	24.7	35.9	31.2	7.1
	Column percent	(X)	12.7	3.2	10.4	11.0	22.2	15.6
4-or-more-person household		2.54	1,480	4	155	670	435	220
	Row percent	(X)	100.0	0.3	10.5	45.3	29.4	14.9
	Column percent	(X)	22.1	1.3	7.7	24.1	36.4	57.1
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		15.9	7,965	3,240	2,300	1,125	820	485
	Row percent	(X)	100.0	40.7	28.9	14.1	10.3	6.1
	Column percent	(X)	100.0	100.0	100.0	100.0	100.0	100.0
Drove alone		15.8	6,490	2,575	1,895	985	650	390
	Row percent	(X)	100.0	39.7	29.2	15.2	10.0	6.0
	Column percent	(X)	81.5	79.5	82.4	87.6	79.3	80.4
Carpooled		18.2	1,090	400	335	120	150	85
	Row percent	(X)	100.0	36.7	30.7	11.0	13.8	7.8
	Column percent	(X)	13.7	12.3	14.6	10.7	18.3	17.5
Public transportation (including taxicab)		52.0	20	0	4	0	10	4
	Row percent	(X)	100.0	0.0	20.0	0.0	50.0	20.0
	Column percent	(X)	0.3	0.0	0.2	0.0	1.2	0.8
Bicycle or walked		6.4	310	240	55	15	4	0
	Row percent	(X)	100.0	77.4	17.7	4.8	1.3	0.0
	Column percent	(X)	3.9	7.4	2.4	1.3	0.5	0.0
Motorcycle or other means		26.5	50	20	10	4	10	4
	Row percent	(X)	100.0	40.0	20.0	8.0	20.0	8.0
	Column percent	(X)	0.6	0.6	0.4	0.4	1.2	0.8
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.