CENSUS TRANSPORTATION PLANNING PACKAGE (CTPP 2000) Table 1. Profile of Selected 1990 and 2000 Characteristics
Geographic Area: Boone County, Iowa
Subject	1990 Census		Census 2000		Change 1990 to 2000
	Number	Percent	Number	Percent	Number	Percent
POPULATION
Total population	25,186	100.0	26,224	100.0	1,038	4.1
In households	24,108	95.7	25,268	96.4	1,160	4.8
In group quarters	1,078	4.3	956	3.6	-122	-11.3
HOUSEHOLD SIZE
Total households	9,812	100.0	10,415	100.0	603	6.1
1-person household	2,547	26.0	2,761	26.5	214	8.4
2-person household	3,602	36.7	3,837	36.8	235	6.5
3-person household	1,451	14.8	1,535	14.7	84	5.8
4-person household	1,425	14.5	1,436	13.8	11	0.8
5-or-more-person household	787	8.0	846	8.1	59	7.5
Mean number of persons per household	2.46	(X)	2.43	(X)	-0.03	(X)
VEHICLES AVAILABLE1
Total households	9,812	100.0	10,415	100.0	603	6.1
No vehicle available	578	5.9	571	5.5	-7	-1.2
1 vehicle available	2,887	29.4	2,959	28.4	72	2.5
2 vehicles available	3,809	38.8	4,101	39.4	292	7.7
3 vehicles available	1,683	17.2	1,846	17.7	163	9.7
4 vehicles available	643	6.6	637	6.1	-6	-0.9
5 or more vehicles available	212	2.2	301	2.9	89	42.0
Mean vehicles per household	1.96	(X)	2.00	(X)	0.04	(X)
WORKERS BY SEX1
Workers 16 years and over	11,638	100.0	13,435	100.0	1,797	15.4
Male	6,158	52.9	7,090	52.8	932	15.1
Female	5,480	47.1	6,345	47.2	865	15.8
MEANS OF TRANSPORTATION TO WORK
Workers 16 years and over	11,638	100.0	13,435	100.0	1,797	15.4
Drove alone	8,516	73.2	10,617	79.0	2,101	24.7
Carpooled	1,711	14.7	1,662	12.4	-49	-2.9
Public transportation (including taxicab)	30	0.3	27	0.2	-3	-10.0
Bicycle or walked	600	5.2	402	3.0	-198	-33.0
Motorcycle or other means	42	0.4	39	0.3	-3	-7.1
Worked at home	739	6.3	688	5.1	-51	-6.9
TRAVEL TIME TO WORK
Workers who did not work at home	10,899	100.0	12,747	100.0	1,848	17.0
Less than 5 minutes	745	6.8	944	7.4	199	26.7
5 to 9 minutes	2,510	23.0	2,699	21.2	189	7.5
10 to 14 minutes	1,736	15.9	2,142	16.8	406	23.4
15 to 19 minutes	1,238	11.4	1,199	9.4	-39	-3.2
20 to 29 minutes	1,960	18.0	2,510	19.7	550	28.1
30 to 44 minutes	1,611	14.8	1,955	15.3	344	21.4
45 or more minutes	1,099	10.1	1,298	10.2	199	18.1
Mean travel time to work (minutes)	19.4	(X)	20.9	(X)	1.4	(X)
TIME LEAVING HOME TO GO TO WORK
Workers who did not work at home	10,899	100.0	12,747	100.0	1,848	17.0
5:00 a.m. to 6:59 a.m.	3,083	28.3	4,173	32.7	1,090	35.4
7:00 a.m. to 7:59 a.m.	3,807	34.9	4,213	33.1	406	10.7
8:00 a.m. to 8:59 a.m.	1,376	12.6	1,468	11.5	92	6.7
9:00 a.m. to 9:59 a.m.	288	2.6	387	3.0	99	34.4
10:00 a.m. to 11:59 a.m.	201	1.8	248	1.9	47	23.4
12:00 p.m. to 11:59 p.m.	1,881	17.3	1,715	13.5	-166	-8.8
12:00 a.m. to 4:59 a.m.	263	2.4	543	4.3	280	106.5
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.

CENSUS TRANSPORTATION PLANNING PACKAGE (CTPP 2000) Table 2. Profile of Selected 2000 Characteristics
Geographic Area: Boone County, Iowa
Subject	Census 2000
	Number	Percent
POPULATION BY AGE
Total population	26,224	100.0
Under 16 years	5,637	21.5
16 to 20 years	1,816	6.9
21 to 24 years	1,242	4.7
25 to 44 years	7,129	27.2
45 to 64 years	6,092	23.2
65 years and over	4,308	16.4
Mean age (years)	38.4	(X)
HOUSEHOLD INCOME IN 19991
Total households	10,415	100.0
Less than $15,000	1,430	13.7
$15,000 to 19,999	675	6.5
$20,000 to 24,999	692	6.6
$25,000 to 49,999	3,621	34.8
$50,000 to 74,999	2,526	24.3
$75,000 to 99,999	846	8.1
$100,000 or more	625	6.0
Mean household income (dollars)	49,086	(X)
Median household income (dollars)	40,763	(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		2.00	10,415	570	2,960	4,100	1,845	940
	Row percent	(X)	100.0	5.5	28.4	39.4	17.7	9.0
	Column percent	(X)	100.0	100.0	100.0	100.0	100.0	100.0
1-person household		1.06	2,760	455	1,830	390	45	40
	Row percent	(X)	100.0	16.5	66.3	14.1	1.6	1.4
	Column percent	(X)	26.5	79.8	61.8	9.5	2.4	4.3
2-person household		2.10	3,835	85	670	2,195	655	235
	Row percent	(X)	100.0	2.2	17.5	57.2	17.1	6.1
	Column percent	(X)	36.8	14.9	22.6	53.5	35.5	25.0
3-person household		2.48	1,535	15	215	630	455	220
	Row percent	(X)	100.0	1.0	14.0	41.0	29.6	14.3
	Column percent	(X)	14.7	2.6	7.3	15.4	24.7	23.4
4-or-more-person household		2.66	2,280	15	245	890	685	445
	Row percent	(X)	100.0	0.7	10.7	39.0	30.0	19.5
	Column percent	(X)	21.9	2.6	8.3	21.7	37.1	47.3
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		20.9	12,745	3,645	3,340	2,510	1,955	1,300
	Row percent	(X)	100.0	28.6	26.2	19.7	15.3	10.2
	Column percent	(X)	100.0	100.0	100.0	100.0	100.0	100.0
Drove alone		20.3	10,615	2,985	2,930	2,165	1,585	950
	Row percent	(X)	100.0	28.1	27.6	20.4	14.9	8.9
	Column percent	(X)	83.3	81.9	87.7	86.3	81.1	73.1
Carpooled		25.3	1,660	360	315	340	360	285
	Row percent	(X)	100.0	21.7	19.0	20.5	21.7	17.2
	Column percent	(X)	13.0	9.9	9.4	13.5	18.4	21.9
Public transportation (including taxicab)		34.4	25	0	15	0	4	4
	Row percent	(X)	100.0	0.0	60.0	0.0	16.0	16.0
	Column percent	(X)	0.2	0.0	0.4	0.0	0.2	0.3
Bicycle or walked		9.8	400	300	75	4	0	25
	Row percent	(X)	100.0	75.0	18.8	1.0	0.0	6.2
	Column percent	(X)	3.1	8.2	2.2	0.2	0.0	1.9
Motorcycle or other means		88.1	40	4	4	0	4	30
	Row percent	(X)	100.0	10.0	10.0	0.0	10.0	75.0
	Column percent	(X)	0.3	0.1	0.1	0.0	0.2	2.3
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.