CENSUS TRANSPORTATION PLANNING PACKAGE (CTPP 2000)
Geographic Area: Working in Iowa State
TABLE 1. SELECTED CHARACTERISTICS BY PLACE OF WORK, 1990 and 2000
Selected Characteristics (Universe: All Workers)		1990		2000		Change 1990 to 2000
Selected Characteristics (Universe: All Workers)		Number	Percent	Number	Percent	Number	Percent
Workers 16 years or over		1,312,404	100	1,463,560	100	151,156	11.5
Sex
Male		708,831	54.0	769,010	52.5	60,179	8.5
Female		603,573	46.0	694,550	47.5	90,977	15.1
Mode to work
Drove alone		964,279	73.5	1,149,875	78.6	185,596	19.2
2-person carpool		123,070	9.4	127,910	8.7	4,840	3.9
3-or-more-person carpool		31,119	2.4	29,535	2.0	-1,584	-5.1
Bus or trolley bus		15,523	1.2	13,820	0.9	-1,703	-11.0
All other transit¹		136	0.0	320	0.0	184	135.3
Bicycle or walked		80,509	6.1	63,365	4.3	-17,144	-21.3
Taxicab, motorcycle, or other mode		9,018	0.7	8,950	0.6	-68	-0.8
Worked at home		88,750	6.8	69,785	4.8	-18,965	-21.4
Travel time to work (Universe = Workers who did not work at home)
Less than 5		99,976	8.2	100,725	7.2	749	0.7
5 to 9		268,815	22.0	271,770	19.5	2,955	1.1
10 to 14		255,644	20.9	283,515	20.3	27,871	10.9
15 to 19		208,323	17.0	233,230	16.7	24,907	12.0
20 to 29		200,608	16.4	248,710	17.8	48,102	24.0
30 to 44		121,639	9.9	157,970	11.3	36,331	29.9
45- 59		36,125	3.0	49,255	3.5	13,130	36.3
60 or more		32,524	2.7	48,595	3.5	16,071	49.4
Mean travel time (minutes)		16.2	(X)	18.4	(X)	2.2	(X)
Median travel time (minutes)		14.8	(X)	15.2	(X)	0.4	(X)

TABLE 2. MODE TO WORK BY TRAVEL TIME, 2000
(Universe = Workers who did not work at home)
	Mean travel time (mins.)	Total	Less than 10 minutes	10 to 19 minutes	20 to 29 minutes	30 to 44 minutes	45 -59 minutes	60 or more minutes
Total	18.4	1,393,775	372,495	516,745	248,710	157,970	49,255	48,595
Row percent		100	26.7	37.1	17.8	11.3	3.5	3.5
Column percent		100	100	100	100	100	100	100
Drove alone	18.0	1,149,875	301,055	438,795	210,095	126,425	37,465	36,030
Row percent		100	26.2	38.2	18.3	11.0	3.3	3.1
Column percent		82.5	80.8	84.9	84.5	80.0	76.1	74.1
2-person carpool	22.1	127,910	23,675	45,240	25,385	19,975	7,235	6,400
Row percent		100	18.5	35.4	19.8	15.6	5.7	5.0
Column percent		9.2	6.4	8.8	10.2	12.6	14.7	13.2
3+ carpool	27.2	29,535	4,565	8,745	5,155	5,715	2,675	2,670
Row percent		100	15.5	29.6	17.5	19.3	9.1	9.0
Column percent		2.1	1.2	1.7	2.1	3.6	5.4	5.5
Bus or trolley bus	28.2	13,820	675	4,265	3,280	3,225	1,115	1,255
Row percent		100	4.9	30.9	23.7	23.3	8.1	9.1
Column percent		1.0	0.2	0.8	1.3	2.0	2.3	2.6
All other transit¹	41.4	320	28	60	34	77	24	92
Row percent		100	0.0	0.0	0.0	0.0	0.0	0.0
Column percent		0.0	0.0	0.0	0.0	0.0	0.0	0.2
Bicycle or walked	9.4	63,365	40,070	16,715	3,620	1,610	369	985
Row percent		100	63.2	26.4	5.7	2.5	0.6	1.6
Column percent		4.5	10.8	3.2	1.5	1.0	0.7	2.0
All other modes¹	31.2	8,950	2,425	2,920	1,130	940	374	1,160
Row percent		100	27.1	32.6	12.6	10.5	4.2	13.0
Column percent		0.6	0.7	0.6	0.5	0.6	0.8	2.4
Notes:
1. See notes1.htm
2. Workers-at-work shown here differs from local employment in many ways. For more information, please read notes2.htm

CENSUS TRANSPORTATION PLANNING PACKAGE (CTPP 2000)
Geographic Area: Working in Iowa State
TABLE 3. MODE TO WORK BY VEHICLES AVAILABLE IN HOUSEHOLDS
Mode to Work (Universe = Workers living in households)				Workers living in households…
Mode to Work (Universe = Workers living in households)				Total	Without a vehicle	With 1 vehicle	With 2+ vehicles
Total				1,439,680	36,450	253,935	1,149,295
Drove alone				1,143,005	17,400	189,980	935,630
2-person carpool				127,165	4,910	28,155	94,105
3-or-more-person carpool				28,725	1,775	6,230	20,720
Bus or trolley bus				12,345	3,350	4,270	4,720
Streetcar, trolley car, subway, or elevated, Railroad or Ferryboat				300	20	120	159
Bicycle or walked				50,495	5,980	14,180	30,340
Taxicab, motorcycle or other means				8,600	1,380	2,200	5,025
Worked at Home				69,050	1,640	8,805	58,605

TABLE 4. SEX OF WORKER BY INDUSTRY¹ AND OCCUPATON¹
(Universe = All Workers)				All Workers	Sex
(Universe = All Workers)				All Workers	Male	Female
Workers 16 years and over				1,463,560	769,010	694,550
Industry
Agriculture, forestry, fishing and hunting and mining				65,040	55,365	9,670
Construction				88,405	80,255	8,155
Manufacturing				247,745	174,120	73,625
Wholesale trade				52,385	38,650	13,735
Retail trade				177,895	86,270	91,620
Transportation and warehousing and utilities				72,110	56,505	15,610
Information				41,410	19,090	22,320
Finance, insurance, real estate and rental and leasing				95,590	34,970	60,620
Profess., scientific, management, administrative, waste management				88,080	44,810	43,275
Educational, health and social services				320,010	76,205	243,805
Arts, entertainment, recreation, accommodation and food services				99,050	42,790	56,265
Other services (except public administration)				65,705	33,265	32,435
Public administration				48,665	25,425	23,240
Armed forces				1,470	1,300	170
Occupation
Management				99,245	61,670	37,570
Farmers and farm managers				42,625	38,505	4,120
Business and financial operations specialists				53,585	23,095	30,485
Computer and mathematical				23,795	15,740	8,055
Architecture and engineering				21,095	18,530	2,565
Life, physical and social science				11,745	6,975	4,770
Community and social service				22,785	9,070	13,720
Legal				8,970	4,935	4,030
Education, training and library				84,545	23,775	60,770
Arts, design, entertainment, sports and media				21,615	10,010	11,605
Healthcare practitioners and technicians				66,420	14,335	52,090
Healthcare support				34,210	3,285	30,925
Protective service				17,990	14,270	3,720
Food preparation and serving related				75,685	25,995	49,690
Building and grounds cleaning and maintenance				42,915	25,205	17,710
Personal care and service				46,820	7,110	39,705
Sales and related				157,895	78,835	79,060
Office and administrative support				219,285	48,745	170,540
Farming, fishing, and forestry				15,835	12,630	3,205
Construction and excavation				71,995	69,865	2,130
Installation, maintenance and repairs				57,715	55,455	2,260
Production				158,635	109,360	49,275
Transportation and material moving				107,780	91,265	16,515
Armed Forces				375	345	35