CENSUS TRANSPORTATION PLANNING PACKAGE (CTPP 2000) Table 1. Profile of Selected 1990 and 2000 Characteristics
Geographic Area: Carroll County, Iowa
Subject	1990 Census		Census 2000		Change 1990 to 2000
	Number	Percent	Number	Percent	Number	Percent
POPULATION
Total population	21,423	100.0	21,421	100.0	-2	[ <0 ]
In households	20,904	97.6	20,893	97.5	-11	-0.1
In group quarters	519	2.4	528	2.5	9	1.7
HOUSEHOLD SIZE
Total households	8,021	100.0	8,480	100.0	459	5.7
1-person household	2,137	26.6	2,510	29.6	373	17.5
2-person household	2,569	32.0	2,851	33.6	282	11.0
3-person household	1,087	13.6	1,123	13.2	36	3.3
4-person household	1,107	13.8	1,075	12.7	-32	-2.9
5-or-more-person household	1,121	14.0	921	10.9	-200	-17.8
Mean number of persons per household	2.61	(X)	2.46	(X)	-0.14	(X)
VEHICLES AVAILABLE1
Total households	8,021	100.0	8,480	100.0	459	5.7
No vehicle available	573	7.1	517	6.1	-56	-9.8
1 vehicle available	2,306	28.7	2,648	31.2	342	14.8
2 vehicles available	3,388	42.2	3,429	40.4	41	1.2
3 vehicles available	1,270	15.8	1,332	15.7	62	4.9
4 vehicles available	366	4.6	382	4.5	16	4.4
5 or more vehicles available	118	1.5	172	2.0	54	45.8
Mean vehicles per household	1.87	(X)	1.88	(X)	0.01	(X)
WORKERS BY SEX1
Workers 16 years and over	9,721	100.0	10,875	100.0	1,154	11.9
Male	5,325	54.8	5,715	52.6	390	7.3
Female	4,396	45.2	5,155	47.4	759	17.3
MEANS OF TRANSPORTATION TO WORK
Workers 16 years and over	9,721	100.0	10,873	100.0	1,152	11.9
Drove alone	7,159	73.6	8,552	78.7	1,393	19.5
Carpooled	818	8.4	953	8.8	135	16.5
Public transportation (including taxicab)	25	0.3	75	0.7	50	200.0
Bicycle or walked	636	6.5	431	4.0	-205	-32.2
Motorcycle or other means	52	0.5	54	0.5	2	3.8
Worked at home	1,031	10.6	808	7.4	-223	-21.6
TRAVEL TIME TO WORK
Workers who did not work at home	8,690	100.0	10,065	100.0	1,375	15.8
Less than 5 minutes	1,239	14.3	1,639	16.3	400	32.3
5 to 9 minutes	3,218	37.0	3,110	30.9	-108	-3.4
10 to 14 minutes	1,810	20.8	1,949	19.4	139	7.7
15 to 19 minutes	892	10.3	1,155	11.5	263	29.5
20 to 29 minutes	792	9.1	1,117	11.1	325	41.0
30 to 44 minutes	472	5.4	599	6.0	127	26.9
45 or more minutes	267	3.1	496	4.9	229	85.8
Mean travel time to work (minutes)	11.7	(X)	14.4	(X)	2.6	(X)
TIME LEAVING HOME TO GO TO WORK
Workers who did not work at home	8,690	100.0	10,065	100.0	1,375	15.8
5:00 a.m. to 6:59 a.m.	1,811	20.8	2,680	26.6	869	48.0
7:00 a.m. to 7:59 a.m.	3,563	41.0	3,652	36.3	89	2.5
8:00 a.m. to 8:59 a.m.	1,425	16.4	1,421	14.1	-4	-0.3
9:00 a.m. to 9:59 a.m.	427	4.9	249	2.5	-178	-41.7
10:00 a.m. to 11:59 a.m.	208	2.4	229	2.3	21	10.1
12:00 p.m. to 11:59 p.m.	1,079	12.4	1,584	15.7	505	46.8
12:00 a.m. to 4:59 a.m.	177	2.0	250	2.5	73	41.2
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: Carroll County, Iowa
Subject	Census 2000
	Number	Percent
POPULATION BY AGE
Total population	21,421	100.0
Under 16 years	4,951	23.1
16 to 20 years	1,542	7.2
21 to 24 years	854	4.0
25 to 44 years	5,529	25.8
45 to 64 years	4,542	21.2
65 years and over	4,003	18.7
Mean age (years)	38.8	(X)
HOUSEHOLD INCOME IN 19991
Total households	8,480	100.0
Less than $15,000	1,385	16.3
$15,000 to 19,999	629	7.4
$20,000 to 24,999	588	6.9
$25,000 to 49,999	2,934	34.6
$50,000 to 74,999	1,890	22.3
$75,000 to 99,999	562	6.6
$100,000 or more	492	5.8
Mean household income (dollars)	46,339	(X)
Median household income (dollars)	37,275	(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		1.88	8,480	515	2,650	3,430	1,330	555
	Row percent	(X)	100.0	6.1	31.2	40.4	15.7	6.5
	Column percent	(X)	100.0	100.0	100.0	100.0	100.0	100.0
1-person household		1.03	2,510	405	1,705	350	35	15
	Row percent	(X)	100.0	16.1	67.9	13.9	1.4	0.6
	Column percent	(X)	29.6	78.6	64.3	10.2	2.6	2.7
2-person household		1.92	2,850	85	525	1,830	370	45
	Row percent	(X)	100.0	3.0	18.4	64.2	13.0	1.6
	Column percent	(X)	33.6	16.5	19.8	53.4	27.8	8.1
3-person household		2.34	1,125	10	240	390	355	130
	Row percent	(X)	100.0	0.9	21.3	34.7	31.6	11.6
	Column percent	(X)	13.3	1.9	9.1	11.4	26.7	23.4
4-or-more-person household		2.63	1,995	20	175	860	570	365
	Row percent	(X)	100.0	1.0	8.8	43.1	28.6	18.3
	Column percent	(X)	23.5	3.9	6.6	25.1	42.9	65.8
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		14.4	10,065	4,750	3,105	1,115	600	495
	Row percent	(X)	100.0	47.2	30.8	11.1	6.0	4.9
	Column percent	(X)	100.0	100.0	100.0	100.0	100.0	100.0
Drove alone		13.1	8,550	4,045	2,720	955	495	335
	Row percent	(X)	100.0	47.3	31.8	11.2	5.8	3.9
	Column percent	(X)	84.9	85.2	87.6	85.7	82.5	67.7
Carpooled		24.6	955	380	215	150	85	125
	Row percent	(X)	100.0	39.8	22.5	15.7	8.9	13.1
	Column percent	(X)	9.5	8.0	6.9	13.5	14.2	25.3
Public transportation (including taxicab)		19.5	75	0	55	0	15	4
	Row percent	(X)	100.0	0.0	73.3	0.0	20.0	5.3
	Column percent	(X)	0.7	0.0	1.8	0.0	2.5	0.8
Bicycle or walked		5.9	430	305	110	10	4	0
	Row percent	(X)	100.0	70.9	25.6	2.3	0.9	0.0
	Column percent	(X)	4.3	6.4	3.5	0.9	0.7	0.0
Motorcycle or other means		94.5	55	20	0	4	0	30
	Row percent	(X)	100.0	36.4	0.0	7.3	0.0	54.5
	Column percent	(X)	0.5	0.4	0.0	0.4	0.0	6.1
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.