CENSUS TRANSPORTATION PLANNING PACKAGE (CTPP 2000) Table 1. Profile of Selected 1990 and 2000 Characteristics
Geographic Area: Dallas County, Iowa
Subject	1990 Census		Census 2000		Change 1990 to 2000
	Number	Percent	Number	Percent	Number	Percent
POPULATION
Total population	29,755	100.0	40,750	100.0	10,995	37.0
In households	29,211	98.2	40,290	98.9	11,079	37.9
In group quarters	544	1.8	460	1.1	-84	-15.4
HOUSEHOLD SIZE
Total households	11,182	100.0	15,592	100.0	4,410	39.4
1-person household	2,475	22.1	3,658	23.5	1,183	47.8
2-person household	3,863	34.5	5,404	34.7	1,541	39.9
3-person household	1,890	16.9	2,461	15.8	571	30.2
4-person household	1,864	16.7	2,529	16.2	665	35.7
5-or-more-person household	1,090	9.7	1,540	9.9	450	41.3
Mean number of persons per household	2.61	(X)	2.58	(X)	-0.03	(X)
VEHICLES AVAILABLE1
Total households	11,182	100.0	15,592	100.0	4,410	39.4
No vehicle available	553	4.9	566	3.6	13	2.4
1 vehicle available	3,010	26.9	4,080	26.2	1,070	35.5
2 vehicles available	4,495	40.2	6,790	43.5	2,295	51.1
3 vehicles available	2,047	18.3	2,775	17.8	728	35.6
4 vehicles available	709	6.3	1,009	6.5	300	42.3
5 or more vehicles available	368	3.3	372	2.4	4	1.1
Mean vehicles per household	2.06	(X)	2.06	(X)	[ >0 ]	(X)
WORKERS BY SEX1
Workers 16 years and over	14,824	100.0	21,745	100.0	6,921	46.7
Male	7,946	53.6	11,330	52.1	3,384	42.6
Female	6,878	46.4	10,415	47.9	3,537	51.4
MEANS OF TRANSPORTATION TO WORK
Workers 16 years and over	14,824	100.0	21,746	100.0	6,922	46.7
Drove alone	11,223	75.7	17,727	81.5	6,504	58.0
Carpooled	1,986	13.4	2,575	11.8	589	29.7
Public transportation (including taxicab)	41	0.3	61	0.3	20	48.8
Bicycle or walked	557	3.8	462	2.1	-95	-17.1
Motorcycle or other means	98	0.7	57	0.3	-41	-41.8
Worked at home	919	6.2	864	4.0	-55	-6.0
TRAVEL TIME TO WORK
Workers who did not work at home	13,905	100.0	20,882	100.0	6,977	50.2
Less than 5 minutes	1,036	7.5	959	4.6	-77	-7.4
5 to 9 minutes	2,358	17.0	2,882	13.8	524	22.2
10 to 14 minutes	1,633	11.7	2,936	14.1	1,303	79.8
15 to 19 minutes	1,706	12.3	2,838	13.6	1,132	66.4
20 to 29 minutes	3,031	21.8	5,200	24.9	2,169	71.6
30 to 44 minutes	2,875	20.7	4,249	20.3	1,374	47.8
45 or more minutes	1,266	9.1	1,818	8.7	552	43.6
Mean travel time to work (minutes)	20.6	(X)	22.0	(X)	1.5	(X)
TIME LEAVING HOME TO GO TO WORK
Workers who did not work at home	13,905	100.0	20,882	100.0	6,977	50.2
5:00 a.m. to 6:59 a.m.	4,398	31.6	6,742	32.3	2,344	53.3
7:00 a.m. to 7:59 a.m.	4,883	35.1	7,645	36.6	2,762	56.6
8:00 a.m. to 8:59 a.m.	1,845	13.3	2,432	11.6	587	31.8
9:00 a.m. to 9:59 a.m.	480	3.5	718	3.4	238	49.6
10:00 a.m. to 11:59 a.m.	231	1.7	428	2.0	197	85.3
12:00 p.m. to 11:59 p.m.	1,837	13.2	2,289	11.0	452	24.6
12:00 a.m. to 4:59 a.m.	231	1.7	628	3.0	397	171.9
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: Dallas County, Iowa
Subject	Census 2000
	Number	Percent
POPULATION BY AGE
Total population	40,750	100.0
Under 16 years	10,225	25.1
16 to 20 years	2,436	6.0
21 to 24 years	1,606	3.9
25 to 44 years	13,100	32.1
45 to 64 years	8,861	21.7
65 years and over	4,522	11.1
Mean age (years)	34.9	(X)
HOUSEHOLD INCOME IN 19991
Total households	15,592	100.0
Less than $15,000	1,570	10.1
$15,000 to 19,999	796	5.1
$20,000 to 24,999	1,030	6.6
$25,000 to 49,999	4,635	29.7
$50,000 to 74,999	3,604	23.1
$75,000 to 99,999	1,917	12.3
$100,000 or more	2,040	13.1
Mean household income (dollars)	59,129	(X)
Median household income (dollars)	48,528	(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		2.06	15,590	565	4,080	6,790	2,775	1,380
	Row percent	(X)	100.0	3.6	26.2	43.6	17.8	8.9
	Column percent	(X)	100.0	100.0	100.0	100.0	100.0	100.0
1-person household		1.23	3,660	365	2,470	590	150	85
	Row percent	(X)	100.0	10.0	67.5	16.1	4.1	2.3
	Column percent	(X)	23.5	64.6	60.5	8.7	5.4	6.2
2-person household		2.09	5,405	105	895	3,150	1,000	250
	Row percent	(X)	100.0	1.9	16.6	58.3	18.5	4.6
	Column percent	(X)	34.7	18.6	21.9	46.4	36.0	18.1
3-person household		2.41	2,460	50	370	965	775	305
	Row percent	(X)	100.0	2.0	15.0	39.2	31.5	12.4
	Column percent	(X)	15.8	8.8	9.1	14.2	27.9	22.1
4-or-more-person household		2.54	4,070	50	345	2,085	850	740
	Row percent	(X)	100.0	1.2	8.5	51.2	20.9	18.2
	Column percent	(X)	26.1	8.8	8.5	30.7	30.6	53.6
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		22.0	20,880	3,840	5,775	5,200	4,250	1,820
	Row percent	(X)	100.0	18.4	27.7	24.9	20.4	8.7
	Column percent	(X)	100.0	100.0	100.0	100.0	100.0	100.0
Drove alone		21.8	17,725	3,225	4,950	4,595	3,595	1,370
	Row percent	(X)	100.0	18.2	27.9	25.9	20.3	7.7
	Column percent	(X)	84.9	84.0	85.7	88.4	84.6	75.3
Carpooled		25.1	2,575	335	675	560	635	375
	Row percent	(X)	100.0	13.0	26.2	21.7	24.7	14.6
	Column percent	(X)	12.3	8.7	11.7	10.8	14.9	20.6
Public transportation (including taxicab)		37.0	60	0	15	4	4	35
	Row percent	(X)	100.0	0.0	25.0	6.7	6.7	58.3
	Column percent	(X)	0.3	0.0	0.3	0.1	0.1	1.9
Bicycle or walked		11.1	460	285	120	30	4	25
	Row percent	(X)	100.0	62.0	26.1	6.5	0.9	5.4
	Column percent	(X)	2.2	7.4	2.1	0.6	0.1	1.4
Motorcycle or other means		26.7	55	0	20	4	10	20
	Row percent	(X)	100.0	0.0	36.4	7.3	18.2	36.4
	Column percent	(X)	0.3	0.0	0.3	0.1	0.2	1.1
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.