CENSUS TRANSPORTATION PLANNING PACKAGE (CTPP 2000)
Geographic Area: Working in Dubuque County, Iowa
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		47,535	100	52,330	100	4,795	10.1
Sex
Male		25,640	53.9	27,150	51.9	1,510	5.9
Female		21,895	46.1	25,180	48.1	3,285	15.0
Mode to work
Drove alone		35,248	74.2	43,160	82.5	7,912	22.4
2-person carpool		4,457	9.4	3,790	7.2	-667	-15.0
3-or-more-person carpool		1,524	3.2	839	1.6	-685	-44.9
Bus or trolley bus		386	0.8	220	0.4	-166	-43.0
All other transit¹		0	0.0	14	0.0	14	**
Bicycle or walked		3,027	6.4	2,260	4.3	-767	-25.3
Taxicab, motorcycle, or other mode		315	0.7	210	0.4	-105	-33.3
Worked at home		2,578	5.4	1,835	3.5	-743	-28.8
Travel time to work (Universe = Workers who did not work at home)
Less than 5		2,736	6.1	2,845	5.6	109	4.0
5 to 9		8,951	19.9	9,670	19.2	719	8.0
10 to 14		10,935	24.3	12,815	25.4	1,880	17.2
15 to 19		8,477	18.9	9,025	17.9	548	6.5
20 to 29		7,096	15.8	7,845	15.5	749	10.6
30 to 44		4,247	9.4	5,390	10.7	1,143	26.9
45- 59		1,345	3.0	1,530	3.0	185	13.8
60 or more		1,170	2.6	1,385	2.7	215	18.4
Mean travel time (minutes)		16.4	(X)	17.5	(X)	1.1	(X)
Median travel time (minutes)		14.9	(X)	13.9	(X)	-1.0	(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	17.5	50,495	12,515	21,840	7,845	5,390	1,530	1,385
Row percent		100	24.8	43.3	15.5	10.7	3.0	2.7
Column percent		100	100	100	100	100	100	100
Drove alone	17.2	43,160	10,320	19,235	6,925	4,435	1,195	1,050
Row percent		100	23.9	44.6	16.0	10.3	2.8	2.4
Column percent		85.5	82.5	88.1	88.3	82.3	78.1	75.8
2-person carpool	20.8	3,790	690	1,550	590	605	215	135
Row percent		100	18.2	40.9	15.6	16.0	5.7	3.6
Column percent		7.5	5.5	7.1	7.5	11.2	14.1	9.7
3+ carpool	32.6	839	125	205	124	230	53	105
Row percent		100	14.9	24.4	14.8	27.4	6.3	12.5
Column percent		1.7	1.0	0.9	1.6	4.3	3.5	7.6
Bus or trolley bus	30.8	220	0	70	40	38	35	30
Row percent		100	0.0	31.8	18.2	17.3	15.9	13.6
Column percent		0.4	0.0	0.3	0.5	0.7	2.3	2.2
All other transit¹	63.0	14	0	0	0	0	0	14
Row percent		100	0.0	0.0	0.0	0.0	0.1	0.2
Column percent		0.0	0.0	0.0	0.0	0.0	0.0	1.0
Bicycle or walked	9.5	2,260	1,325	700	120	59	25	29
Row percent		100	58.6	31.0	5.3	2.6	1.1	1.3
Column percent		4.5	10.6	3.2	1.5	1.1	1.6	2.1
All other modes¹	29.2	210	55	80	35	19	4	24
Row percent		100	26.2	38.1	16.7	9.0	1.9	11.4
Column percent		0.4	0.4	0.4	0.4	0.4	0.3	1.7
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 Dubuque County, Iowa
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				50,990	1,185	8,380	41,430
Drove alone				42,770	570	6,710	35,490
2-person carpool				3,725	125	815	2,785
3-or-more-person carpool				835	50	95	680
Bus or trolley bus				215	85	75	50
Streetcar, trolley car, subway, or elevated, Railroad or Ferryboat				10	0	0	10
Bicycle or walked				1,485	325	420	740
Taxicab, motorcycle or other means				190	20	60	110
Worked at Home				1,770	10	200	1,560

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				52,330	27,150	25,180
Industry
Agriculture, forestry, fishing and hunting and mining				1,365	1,125	245
Construction				2,640	2,370	270
Manufacturing				10,530	7,865	2,665
Wholesale trade				2,190	1,580	610
Retail trade				6,810	3,350	3,465
Transportation and warehousing and utilities				2,245	1,745	500
Information				1,535	770	765
Finance, insurance, real estate and rental and leasing				2,750	880	1,875
Profess., scientific, management, administrative, waste management				3,140	1,495	1,645
Educational, health and social services				11,485	2,490	8,995
Arts, entertainment, recreation, accommodation and food services				4,330	1,800	2,530
Other services (except public administration)				2,395	1,145	1,250
Public administration				820	455	365
Armed forces				90	85	4
Occupation
Management				3,375	2,080	1,295
Farmers and farm managers				950	800	150
Business and financial operations specialists				1,685	660	1,025
Computer and mathematical				750	420	330
Architecture and engineering				805	710	95
Life, physical and social science				145	80	65
Community and social service				780	315	460
Legal				180	110	70
Education, training and library				2,905	865	2,040
Arts, design, entertainment, sports and media				855	425	430
Healthcare practitioners and technicians				2,715	405	2,310
Healthcare support				1,235	85	1,145
Protective service				620	485	130
Food preparation and serving related				2,710	900	1,810
Building and grounds cleaning and maintenance				1,645	880	765
Personal care and service				1,650	360	1,290
Sales and related				6,205	2,925	3,280
Office and administrative support				7,610	1,575	6,035
Farming, fishing, and forestry				335	280	55
Construction and excavation				2,200	2,105	95
Installation, maintenance and repairs				1,945	1,935	10
Production				6,870	5,165	1,705
Transportation and material moving				4,120	3,540	585
Armed Forces				45	40	4