Download an Excel file* of this document: iowa.xls.
| Selected Characteristics1 | 1990 | 2000 | 2005 ACS | 2005 ACS MOE3 |
|---|---|---|---|---|
| Includes GQ Pop | Does not include GQ Pop | |||
| Total Persons | 2,776,755 | 2,926,324 | x | x |
| Total Persons in Household | 2,677,235 | 2,822,155 | 2,862,541 | x |
| Total Workers, Place of Residence | 1,322,064 | 1,469,763 | 1,471,452 | 9,812 |
| Total Workers, Place of Work | 1,312,404 | 1,463,560 | 1,470,173 | 10,519 |
| Employment-Residence Ratio | 0.99 | 1.00 | 1.00 | 0.01 |
W2. MODE TO WORK1 |
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|---|---|---|---|---|---|---|---|---|---|
| 1990 | 2000 | 2005 ACS | Sig. Diff. in Number 2000-2005 |
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| Includes GQ pop | Does not include GQ Pop | ||||||||
| Number | Percent | Number | Percent | MOE | Number | Percent | MOE | ||
| Total Workers | 1,312,404 | 100.0 | 1,463,560 | 100.0 | 3,146 | 1,470,173 | 100.0 | 10,519 | No |
| Drove alone | 964,279 | 73.5 | 1,149,875 | 78.6 | 3,073 | 1,178,182 | 80.1 | 12,459 | Yes |
| 2-person carpool | 123,070 | 9.4 | 127,910 | 8.7 | 1,286 | 119,789 | 8.1 | 5,147 | Yes |
| 3-person carpool | 18,466 | 1.4 | 18,350 | 1.3 | 497 | 17,667 | 1.2 | 1,845 | No |
| 4-or-more-person carpool | 12,653 | 1.0 | 11,185 | 0.8 | 388 | 9,777 | 0.7 | 1,263 | Yes |
| Public Transportation | 15,659 | 1.2 | 14,140 | 1.0 | 436 | 11,327 | 0.8 | 1,733 | Yes |
| Walked | 76,153 | 5.8 | 58,080 | 4.0 | 878 | 45,997 | 3.1 | 3,464 | Yes |
| Taxicab, motorcycle, bike or other | 13,374 | 1.0 | 14,235 | 1.0 | 438 | 23,800 | 1.6 | 2,742 | Yes |
| Worked at home | 88,750 | 6.8 | 69,785 | 4.8 | 960 | 63,634 | 4.3 | 3,067 | Yes |
W3. TRAVEL TIME TO WORK (Universe = Workers who did not work at home)1 |
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| Workers (Did not work at home) | 1,223,654 | 100.0 | 1,393,775 | 100.0 | 3,143 | 1,406,539 | 100.0 | 11,347 | Yes |
| Less than 10 minutes | 368,791 | 30.1 | 372,495 | 26.7 | 2,097 | 368,967 | 26.2 | 10,503 | No |
| 10 to 14 | 255,644 | 20.9 | 283,515 | 20.3 | 1,861 | 258,561 | 18.4 | 8,707 | Yes |
| 15 to 19 | 208,323 | 17.0 | 233,230 | 16.7 | 1,704 | 237,259 | 16.9 | 6,420 | No |
| 20 to 24 | 149,394 | 12.2 | 181,630 | 13.0 | 1,518 | 194,828 | 13.9 | 6,412 | Yes |
| 25 to 29 | 51,214 | 4.2 | 67,080 | 4.8 | 942 | 75,548 | 5.4 | 4,388 | Yes |
| 30 to 34 | 88,409 | 7.2 | 110,785 | 7.9 | 1,201 | 119,021 | 8.5 | 5,322 | Yes |
| 35 to 44 | 33,230 | 2.7 | 47,185 | 3.4 | 793 | 52,549 | 3.7 | 3,063 | Yes |
| 45 to 59 | 36,125 | 3.0 | 49,255 | 3.5 | 809 | 52,213 | 3.7 | 3,742 | No |
| 60 or more | 32,524 | 2.7 | 48,595 | 3.5 | 804 | 47,593 | 3.4 | 3,263 | No |
| Mean travel time (minutes) | 16.2 | (X) | 18.4 | (X) | NA | 17.8 | (X) | NA | NA |
W4. ARRIVAL TIME AT Work1 |
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| Workers (Did not work at home) | 1,223,654 | 100.0 | 1,393,775 | 100.0 | 3,143 | 1,406,539 | 100.0 | 11,347 | Yes |
| 5:00 - 5:59 a.m. | 61,955 | 5.1 | 91,695 | 6.6 | 1,096 | 100,783 | 7.2 | 4,938 | Yes |
| 6:00 - 6:29 a.m. | 67,889 | 5.5 | 79,430 | 5.7 | 1,023 | 89,535 | 6.4 | 4,145 | Yes |
| 6:30 - 6:59 a.m. | 146,226 | 11.9 | 160,080 | 11.5 | 1,431 | 166,292 | 11.8 | 5,683 | Yes |
| 7:00 - 7:29 a.m. | 162,612 | 13.3 | 179,005 | 12.8 | 1,508 | 177,322 | 12.6 | 5,187 | No |
| 7:30 - 7:59 a.m. | 242,096 | 19.8 | 273,655 | 19.6 | 1,832 | 258,477 | 18.4 | 6,966 | Yes |
| 8:00 - 8:29 a.m. | 151,182 | 12.4 | 158,730 | 11.4 | 1,425 | 150,986 | 10.7 | 5,259 | Yes |
| 8:30 - 8:59 a.m. | 64,574 | 5.3 | 60,940 | 4.4 | 899 | 71,819 | 5.1 | 3,740 | Yes |
| 9:00 a.m. - 11:59 p.m. | 302,138 | 24.7 | 343,760 | 24.7 | 2,026 | 344,731 | 24.5 | 7,626 | No |
| 12:00 a.m. - 4:59 a.m. | 24,982 | 2.0 | 39,350 | 2.8 | 725 | 46,594 | 3.3 | 3,000 | Yes |
Notes:
1. Please read notes.cfm
2. Total Employed includes Civilian Employed and those working in the Armed Forces.
3. MOE: Margin of Error. Please see notes.cfm. MOE could not be calculated for Total Employed.
4. x: Cannot be calculated. NA: Not calculated.
Sources: U.S. Census Bureau - 1990 STF1, 1990 STF3, 1990 CTPP, 2000 CTPP, 2000 SF1, 2000 SF3, and 2005 ACS.
