CENSUS TRANSPORTATION PLANNING PACKAGE (CTPP 2000) Table 1. Profile of Selected 1990 and 2000 Characteristics
Geographic Area: Jackson County, Iowa
Subject	1990 Census		Census 2000		Change 1990 to 2000
	Number	Percent	Number	Percent	Number	Percent
POPULATION
Total population	19,950	100.0	20,296	100.0	346	1.7
In households	19,655	98.5	19,987	98.5	332	1.7
In group quarters	295	1.5	309	1.5	14	4.7
HOUSEHOLD SIZE
Total households	7,535	100.0	8,096	100.0	561	7.4
1-person household	1,858	24.7	2,188	27.0	330	17.8
2-person household	2,519	33.4	2,889	35.7	370	14.7
3-person household	1,082	14.4	1,133	14.0	51	4.7
4-person household	1,137	15.1	1,099	13.6	-38	-3.3
5-or-more-person household	939	12.5	787	9.7	-152	-16.2
Mean number of persons per household	2.61	(X)	2.47	(X)	-0.14	(X)
VEHICLES AVAILABLE1
Total households	7,535	100.0	8,096	100.0	561	7.4
No vehicle available	582	7.7	484	6.0	-98	-16.8
1 vehicle available	2,196	29.1	2,278	28.1	82	3.7
2 vehicles available	3,103	41.2	3,197	39.5	94	3.0
3 vehicles available	1,187	15.8	1,510	18.7	323	27.2
4 vehicles available	290	3.8	427	5.3	137	47.2
5 or more vehicles available	177	2.3	200	2.5	23	13.0
Mean vehicles per household	1.87	(X)	1.97	(X)	0.10	(X)
WORKERS BY SEX1
Workers 16 years and over	8,869	100.0	10,210	100.0	1,341	15.1
Male	4,885	55.1	5,355	52.4	470	9.6
Female	3,984	44.9	4,855	47.6	871	21.9
MEANS OF TRANSPORTATION TO WORK
Workers 16 years and over	8,869	100.0	10,211	100.0	1,342	15.1
Drove alone	5,856	66.0	7,586	74.3	1,730	29.5
Carpooled	1,159	13.1	1,271	12.4	112	9.7
Public transportation (including taxicab)	53	0.6	34	0.3	-19	-35.8
Bicycle or walked	682	7.7	522	5.1	-160	-23.5
Motorcycle or other means	69	0.8	64	0.6	-5	-7.2
Worked at home	1,050	11.8	734	7.2	-316	-30.1
TRAVEL TIME TO WORK
Workers who did not work at home	7,819	100.0	9,477	100.0	1,658	21.2
Less than 5 minutes	815	10.4	993	10.5	178	21.8
5 to 9 minutes	2,084	26.7	1,937	20.4	-147	-7.1
10 to 14 minutes	975	12.5	1,268	13.4	293	30.1
15 to 19 minutes	690	8.8	912	9.6	222	32.2
20 to 29 minutes	897	11.5	1,308	13.8	411	45.8
30 to 44 minutes	1,278	16.3	1,699	17.9	421	32.9
45 or more minutes	1,080	13.8	1,360	14.4	280	25.9
Mean travel time to work (minutes)	20.3	(X)	21.9	(X)	1.6	(X)
TIME LEAVING HOME TO GO TO WORK
Workers who did not work at home	7,819	100.0	9,477	100.0	1,658	21.2
5:00 a.m. to 6:59 a.m.	2,650	33.9	3,157	33.3	507	19.1
7:00 a.m. to 7:59 a.m.	2,238	28.6	2,862	30.2	624	27.9
8:00 a.m. to 8:59 a.m.	1,104	14.1	1,161	12.3	57	5.2
9:00 a.m. to 9:59 a.m.	237	3.0	235	2.5	-2	-0.8
10:00 a.m. to 11:59 a.m.	178	2.3	156	1.6	-22	-12.4
12:00 p.m. to 11:59 p.m.	1,214	15.5	1,457	15.4	243	20.0
12:00 a.m. to 4:59 a.m.	198	2.5	449	4.7	251	126.8
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: Jackson County, Iowa
Subject	Census 2000
	Number	Percent
POPULATION BY AGE
Total population	20,296	100.0
Under 16 years	4,594	22.6
16 to 20 years	1,353	6.7
21 to 24 years	753	3.7
25 to 44 years	5,396	26.6
45 to 64 years	4,690	23.1
65 years and over	3,510	17.3
Mean age (years)	38.8	(X)
HOUSEHOLD INCOME IN 19991
Total households	8,096	100.0
Less than $15,000	1,432	17.7
$15,000 to 19,999	689	8.5
$20,000 to 24,999	684	8.4
$25,000 to 49,999	2,907	35.9
$50,000 to 74,999	1,526	18.8
$75,000 to 99,999	559	6.9
$100,000 or more	299	3.7
Mean household income (dollars)	42,642	(X)
Median household income (dollars)	34,529	(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		1.97	8,095	485	2,280	3,195	1,510	625
	Row percent	(X)	100.0	6.0	28.2	39.5	18.7	7.7
	Column percent	(X)	100.0	100.0	100.0	100.0	100.0	100.0
1-person household		1.12	2,190	370	1,330	385	65	35
	Row percent	(X)	100.0	16.9	60.7	17.6	3.0	1.6
	Column percent	(X)	27.1	76.3	58.3	12.1	4.3	5.6
2-person household		2.01	2,890	80	585	1,635	455	135
	Row percent	(X)	100.0	2.8	20.2	56.6	15.7	4.7
	Column percent	(X)	35.7	16.5	25.7	51.2	30.1	21.6
3-person household		2.41	1,135	10	205	405	375	135
	Row percent	(X)	100.0	0.9	18.1	35.7	33.0	11.9
	Column percent	(X)	14.0	2.1	9.0	12.7	24.8	21.6
4-or-more-person household		2.65	1,885	25	160	770	615	320
	Row percent	(X)	100.0	1.3	8.5	40.8	32.6	17.0
	Column percent	(X)	23.3	5.2	7.0	24.1	40.7	51.2
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		21.9	9,475	2,930	2,180	1,310	1,700	1,360
	Row percent	(X)	100.0	30.9	23.0	13.8	17.9	14.4
	Column percent	(X)	100.0	100.0	100.0	100.0	100.0	100.0
Drove alone		21.6	7,585	2,345	1,795	1,060	1,360	1,025
	Row percent	(X)	100.0	30.9	23.7	14.0	17.9	13.5
	Column percent	(X)	80.1	80.0	82.3	80.9	80.0	75.4
Carpooled		28.0	1,270	205	260	205	310	295
	Row percent	(X)	100.0	16.1	20.5	16.1	24.4	23.2
	Column percent	(X)	13.4	7.0	11.9	15.6	18.2	21.7
Public transportation (including taxicab)		45.9	35	0	0	0	10	20
	Row percent	(X)	100.0	0.0	0.0	0.0	28.6	57.1
	Column percent	(X)	0.4	0.0	0.0	0.0	0.6	1.5
Bicycle or walked		9.7	520	365	115	25	4	10
	Row percent	(X)	100.0	70.2	22.1	4.8	0.8	1.9
	Column percent	(X)	5.5	12.5	5.3	1.9	0.2	0.7
Motorcycle or other means		19.9	65	15	15	15	20	4
	Row percent	(X)	100.0	23.1	23.1	23.1	30.8	6.2
	Column percent	(X)	0.7	0.5	0.7	1.1	1.2	0.3
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.