CENSUS TRANSPORTATION PLANNING PACKAGE (CTPP 2000) Table 1. Profile of Selected 1990 and 2000 Characteristics
Geographic Area: Butler County, Iowa
Subject	1990 Census		Census 2000		Change 1990 to 2000
	Number	Percent	Number	Percent	Number	Percent
POPULATION
Total population	15,731	100.0	15,305	100.0	-426	-2.7
In households	15,415	98.0	15,017	98.1	-398	-2.6
In group quarters	316	2.0	288	1.9	-28	-8.9
HOUSEHOLD SIZE
Total households	6,047	100.0	6,139	100.0	92	1.5
1-person household	1,424	23.5	1,549	25.2	125	8.8
2-person household	2,198	36.3	2,384	38.8	186	8.5
3-person household	864	14.3	891	14.5	27	3.1
4-person household	909	15.0	831	13.5	-78	-8.6
5-or-more-person household	652	10.8	484	7.9	-168	-25.8
Mean number of persons per household	2.55	(X)	2.45	(X)	-0.10	(X)
VEHICLES AVAILABLE1
Total households	6,047	100.0	6,139	100.0	92	1.5
No vehicle available	294	4.9	289	4.7	-5	-1.7
1 vehicle available	1,607	26.6	1,554	25.3	-53	-3.3
2 vehicles available	2,437	40.3	2,370	38.6	-67	-2.7
3 vehicles available	1,149	19.0	1,282	20.9	133	11.6
4 vehicles available	431	7.1	464	7.6	33	7.7
5 or more vehicles available	129	2.1	180	2.9	51	39.5
Mean vehicles per household	2.04	(X)	2.11	(X)	0.07	(X)
WORKERS BY SEX1
Workers 16 years and over	6,819	100.0	7,280	100.0	461	6.8
Male	3,850	56.5	3,900	53.6	50	1.3
Female	2,969	43.5	3,380	46.4	411	13.8
MEANS OF TRANSPORTATION TO WORK
Workers 16 years and over	6,819	100.0	7,279	100.0	460	6.7
Drove alone	4,524	66.3	5,594	76.9	1,070	23.7
Carpooled	792	11.6	665	9.1	-127	-16.0
Public transportation (including taxicab)	14	0.2	11	0.2	-3	-21.4
Bicycle or walked	471	6.9	301	4.1	-170	-36.1
Motorcycle or other means	26	0.4	53	0.7	27	103.8
Worked at home	992	14.5	655	9.0	-337	-34.0
TRAVEL TIME TO WORK
Workers who did not work at home	5,827	100.0	6,624	100.0	797	13.7
Less than 5 minutes	843	14.5	727	11.0	-116	-13.8
5 to 9 minutes	1,095	18.8	989	14.9	-106	-9.7
10 to 14 minutes	822	14.1	761	11.5	-61	-7.4
15 to 19 minutes	633	10.9	777	11.7	144	22.7
20 to 29 minutes	889	15.3	1,302	19.7	413	46.5
30 to 44 minutes	957	16.4	1,374	20.7	417	43.6
45 or more minutes	588	10.1	694	10.5	106	18.0
Mean travel time to work (minutes)	18.9	(X)	22.3	(X)	3.4	(X)
TIME LEAVING HOME TO GO TO WORK
Workers who did not work at home	5,827	100.0	6,624	100.0	797	13.7
5:00 a.m. to 6:59 a.m.	1,703	29.2	2,100	31.7	397	23.3
7:00 a.m. to 7:59 a.m.	2,003	34.4	2,156	32.5	153	7.6
8:00 a.m. to 8:59 a.m.	766	13.1	789	11.9	23	3.0
9:00 a.m. to 9:59 a.m.	188	3.2	197	3.0	9	4.8
10:00 a.m. to 11:59 a.m.	133	2.3	138	2.1	5	3.8
12:00 p.m. to 11:59 p.m.	888	15.2	966	14.6	78	8.8
12:00 a.m. to 4:59 a.m.	146	2.5	278	4.2	132	90.4
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: Butler County, Iowa
Subject	Census 2000
	Number	Percent
POPULATION BY AGE
Total population	15,305	100.0
Under 16 years	3,242	21.2
16 to 20 years	971	6.3
21 to 24 years	529	3.5
25 to 44 years	3,793	24.8
45 to 64 years	3,685	24.1
65 years and over	3,085	20.2
Mean age (years)	40.6	(X)
HOUSEHOLD INCOME IN 19991
Total households	6,139	100.0
Less than $15,000	1,017	16.6
$15,000 to 19,999	460	7.5
$20,000 to 24,999	480	7.8
$25,000 to 49,999	2,297	37.4
$50,000 to 74,999	1,214	19.8
$75,000 to 99,999	426	6.9
$100,000 or more	245	4.0
Mean household income (dollars)	41,836	(X)
Median household income (dollars)	35,883	(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		2.11	6,140	290	1,555	2,370	1,280	645
	Row percent	(X)	100.0	4.7	25.3	38.6	20.8	10.5
	Column percent	(X)	100.0	100.0	100.0	100.0	100.0	100.0
1-person household		1.15	1,550	220	985	285	40	20
	Row percent	(X)	100.0	14.2	63.5	18.4	2.6	1.3
	Column percent	(X)	25.2	75.9	63.3	12.0	3.1	3.1
2-person household		2.16	2,385	40	415	1,305	470	160
	Row percent	(X)	100.0	1.7	17.4	54.7	19.7	6.7
	Column percent	(X)	38.8	13.8	26.7	55.1	36.7	24.8
3-person household		2.63	890	20	85	325	310	155
	Row percent	(X)	100.0	2.2	9.6	36.5	34.8	17.4
	Column percent	(X)	14.5	6.9	5.5	13.7	24.2	24.0
4-or-more-person household		2.82	1,315	15	70	460	465	310
	Row percent	(X)	100.0	1.1	5.3	35.0	35.4	23.6
	Column percent	(X)	21.4	5.2	4.5	19.4	36.3	48.1
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		22.3	6,625	1,715	1,540	1,300	1,375	695
	Row percent	(X)	100.0	25.9	23.2	19.6	20.8	10.5
	Column percent	(X)	100.0	100.0	100.0	100.0	100.0	100.0
Drove alone		22.1	5,595	1,345	1,365	1,150	1,190	545
	Row percent	(X)	100.0	24.0	24.4	20.6	21.3	9.7
	Column percent	(X)	84.5	78.4	88.6	88.5	86.5	78.4
Carpooled		28.0	665	100	130	140	175	125
	Row percent	(X)	100.0	15.0	19.5	21.1	26.3	18.8
	Column percent	(X)	10.0	5.8	8.4	10.8	12.7	18.0
Public transportation (including taxicab)		40.9	10	0	4	4	4	4
	Row percent	(X)	100.0	0.0	40.0	40.0	40.0	40.0
	Column percent	(X)	0.2	0.0	0.3	0.3	0.3	0.6
Bicycle or walked		4.2	300	270	30	0	0	4
	Row percent	(X)	100.0	90.0	10.0	0.0	0.0	1.3
	Column percent	(X)	4.5	15.7	1.9	0.0	0.0	0.6
Motorcycle or other means		68.4	55	4	15	10	4	20
	Row percent	(X)	100.0	7.3	27.3	18.2	7.3	36.4
	Column percent	(X)	0.8	0.2	1.0	0.8	0.3	2.9
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.