CENSUS TRANSPORTATION PLANNING PACKAGE (CTPP 2000) Table 1. Profile of Selected 1990 and 2000 Characteristics
Geographic Area: Decatur County, Iowa
Subject	1990 Census		Census 2000		Change 1990 to 2000
	Number	Percent	Number	Percent	Number	Percent
POPULATION
Total population	8,338	100.0	8,689	100.0	351	4.2
In households	7,619	91.4	7,916	91.1	297	3.9
In group quarters	719	8.6	773	8.9	54	7.5
HOUSEHOLD SIZE
Total households	3,228	100.0	3,352	100.0	124	3.8
1-person household	941	29.2	998	29.8	57	6.1
2-person household	1,150	35.6	1,218	36.3	68	5.9
3-person household	438	13.6	429	12.8	-9	-2.1
4-person household	404	12.5	394	11.8	-10	-2.5
5-or-more-person household	295	9.1	313	9.3	18	6.1
Mean number of persons per household	2.36	(X)	2.36	(X)	[ >0 ]	(X)
VEHICLES AVAILABLE1
Total households	3,228	100.0	3,352	100.0	124	3.8
No vehicle available	316	9.8	261	7.8	-55	-17.4
1 vehicle available	1,032	32.0	989	29.5	-43	-4.2
2 vehicles available	1,132	35.1	1,319	39.3	187	16.5
3 vehicles available	547	16.9	531	15.8	-16	-2.9
4 vehicles available	149	4.6	168	5.0	19	12.8
5 or more vehicles available	52	1.6	84	2.5	32	61.5
Mean vehicles per household	1.80	(X)	1.90	(X)	0.10	(X)
WORKERS BY SEX1
Workers 16 years and over	3,563	100.0	4,035	100.0	472	13.2
Male	1,963	55.1	2,160	53.5	197	10.0
Female	1,600	44.9	1,875	46.5	275	17.2
MEANS OF TRANSPORTATION TO WORK
Workers 16 years and over	3,563	100.0	4,034	100.0	471	13.2
Drove alone	2,301	64.6	2,706	67.1	405	17.6
Carpooled	547	15.4	546	13.5	-1	-0.2
Public transportation (including taxicab)	14	0.4	27	0.7	13	92.9
Bicycle or walked	280	7.9	393	9.7	113	40.4
Motorcycle or other means	38	1.1	46	1.1	8	21.1
Worked at home	383	10.7	316	7.8	-67	-17.5
TRAVEL TIME TO WORK
Workers who did not work at home	3,180	100.0	3,718	100.0	538	16.9
Less than 5 minutes	478	15.0	633	17.0	155	32.4
5 to 9 minutes	798	25.1	865	23.3	67	8.4
10 to 14 minutes	460	14.5	462	12.4	2	0.4
15 to 19 minutes	475	14.9	290	7.8	-185	-38.9
20 to 29 minutes	439	13.8	532	14.3	93	21.2
30 to 44 minutes	275	8.6	373	10.0	98	35.6
45 or more minutes	255	8.0	563	15.1	308	120.8
Mean travel time to work (minutes)	16.8	(X)	22.2	(X)	5.3	(X)
TIME LEAVING HOME TO GO TO WORK
Workers who did not work at home	3,180	100.0	3,718	100.0	538	16.9
5:00 a.m. to 6:59 a.m.	872	27.4	1,035	27.8	163	18.7
7:00 a.m. to 7:59 a.m.	1,106	34.8	1,147	30.8	41	3.7
8:00 a.m. to 8:59 a.m.	452	14.2	377	10.1	-75	-16.6
9:00 a.m. to 9:59 a.m.	119	3.7	239	6.4	120	100.8
10:00 a.m. to 11:59 a.m.	78	2.5	117	3.1	39	50.0
12:00 p.m. to 11:59 p.m.	454	14.3	612	16.5	158	34.8
12:00 a.m. to 4:59 a.m.	99	3.1	191	5.1	92	92.9
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: Decatur County, Iowa
Subject	Census 2000
	Number	Percent
POPULATION BY AGE
Total population	8,689	100.0
Under 16 years	1,782	20.5
16 to 20 years	988	11.4
21 to 24 years	636	7.3
25 to 44 years	1,895	21.8
45 to 64 years	1,856	21.4
65 years and over	1,532	17.6
Mean age (years)	37.9	(X)
HOUSEHOLD INCOME IN 19991
Total households	3,352	100.0
Less than $15,000	903	26.9
$15,000 to 19,999	288	8.6
$20,000 to 24,999	306	9.1
$25,000 to 49,999	1,194	35.6
$50,000 to 74,999	417	12.4
$75,000 to 99,999	126	3.8
$100,000 or more	118	3.5
Mean household income (dollars)	35,680	(X)
Median household income (dollars)	27,343	(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		1.90	3,350	260	990	1,320	530	250
	Row percent	(X)	100.0	7.8	29.6	39.4	15.8	7.5
	Column percent	(X)	100.0	100.0	100.0	100.0	100.0	100.0
1-person household		1.09	1,000	210	540	215	25	10
	Row percent	(X)	100.0	21.0	54.0	21.5	2.5	1.0
	Column percent	(X)	29.9	80.8	54.5	16.3	4.7	4.0
2-person household		2.08	1,220	25	270	590	260	70
	Row percent	(X)	100.0	2.0	22.1	48.4	21.3	5.7
	Column percent	(X)	36.4	9.6	27.3	44.7	49.1	28.0
3-person household		2.22	430	4	110	190	55	65
	Row percent	(X)	100.0	0.9	25.6	44.2	12.8	15.1
	Column percent	(X)	12.8	1.5	11.1	14.4	10.4	26.0
4-or-more-person household		2.51	705	20	70	320	190	105
	Row percent	(X)	100.0	2.8	9.9	45.4	27.0	14.9
	Column percent	(X)	21.0	7.7	7.1	24.2	35.8	42.0
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		22.2	3,720	1,500	750	530	375	565
	Row percent	(X)	100.0	40.3	20.2	14.2	10.1	15.2
	Column percent	(X)	100.0	100.0	100.0	100.0	100.0	100.0
Drove alone		23.2	2,705	980	595	435	255	435
	Row percent	(X)	100.0	36.2	22.0	16.1	9.4	16.1
	Column percent	(X)	72.7	65.3	79.3	82.1	68.0	77.0
Carpooled		28.7	545	170	85	85	100	110
	Row percent	(X)	100.0	31.2	15.6	15.6	18.3	20.2
	Column percent	(X)	14.7	11.3	11.3	16.0	26.7	19.5
Public transportation (including taxicab)		37.2	25	4	4	4	4	10
	Row percent	(X)	100.0	16.0	16.0	16.0	16.0	40.0
	Column percent	(X)	0.7	0.3	0.5	0.8	1.1	1.8
Bicycle or walked		5.5	395	330	55	4	0	4
	Row percent	(X)	100.0	83.5	13.9	1.0	0.0	1.0
	Column percent	(X)	10.6	22.0	7.3	0.8	0.0	0.7
Motorcycle or other means		17.6	45	15	20	0	10	4
	Row percent	(X)	100.0	33.3	44.4	0.0	22.2	8.9
	Column percent	(X)	1.2	1.0	2.7	0.0	2.7	0.7
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.