Download an Excel file* of this document: black_hawk_county_iowa.xls.
| Selected Characteristics1 | 1990 | 2000 | 2005 ACS | 2005 ACS MOE3 |
|---|---|---|---|---|
| Includes GQ Pop | Does not include GQ Pop | |||
| Total Persons | 123,798 | 128,012 | x | x |
| Total Persons in Household | 117,591 | 121,535 | 120,313 | x |
| Total Workers, Place of Residence | 55,582 | 62,897 | 60,252 | 1,965 |
| Total Workers, Place of Work | 61,749 | 70,895 | 70,119 | 2,815 |
| Employment-Residence Ratio | 1.11 | 1.13 | 1.16 | 0.08 |
W2. MODE TO WORK1 |
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|---|---|---|---|---|---|---|---|---|---|
| 1990 | 2000 | 2005 ACS | Sig. Diff. In Percents2000-2005 | ||||||
| Includes GQ pop | Does not include GQ Pop | ||||||||
| Number | Percent | Number | Percent | MOE (%) | Number | Percent | MOE (%) | ||
| Total Workers | 61,749 | 100.0 | 70,895 | 100.0 | NA | 70,119 | 100.0 | NA | NA |
| Drove alone | 50,095 | 81.1 | 59,150 | 83.4 | 0.5 | 59,201 | 84.4 | 1.9 | No |
| 2-person carpool | 4,353 | 7.0 | 5,180 | 7.3 | 0.4 | 6,073 | 8.7 | 1.6 | No |
| 3-person carpool | 524 | 0.8 | 645 | 0.9 | 0.1 | 336 | 0.5 | 0.3 | Yes |
| 4-or-more-person carpool | 384 | 0.6 | 340 | 0.5 | 0.1 | 803 | 1.1 | 0.6 | Yes |
| Public Transportation | 434 | 0.7 | 435 | 0.6 | 0.1 | 96 | 0.1 | 0.2 | Yes |
| Walked | 3,390 | 5.5 | 2,735 | 3.9 | 0.3 | 1,420 | 2.0 | 0.9 | Yes |
| Taxicab, motorcycle, bike or other | 531 | 0.9 | 570 | 0.8 | 0.1 | 987 | 1.4 | 0.8 | No |
| Worked at home | 2,038 | 3.3 | 1,835 | 2.6 | 0.2 | 1,203 | 1.7 | 0.7 | 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) | 59,711 | 100.0 | 69,060 | 100.0 | NA | 68,916 | 100.0 | NA | NA |
| Less than 10 minutes | 13,948 | 23.4 | 15,105 | 21.9 | 0.6 | 13,072 | 19.0 | 2.1 | Yes |
| 10 to 14 | 13,587 | 22.8 | 16,700 | 24.2 | 0.6 | 15,968 | 23.2 | 2.3 | No |
| 15 to 19 | 12,190 | 20.4 | 14,235 | 20.6 | 0.6 | 15,750 | 22.9 | 2.1 | Yes |
| 20 to 24 | 8,534 | 14.3 | 9,135 | 13.2 | 0.5 | 9,286 | 13.5 | 1.9 | No |
| 25 to 29 | 2,660 | 4.5 | 3,140 | 4.5 | 0.3 | 3,561 | 5.2 | 1.0 | No |
| 30 to 34 | 4,057 | 6.8 | 4,705 | 6.8 | 0.4 | 4,313 | 6.3 | 1.0 | No |
| 35 to 44 | 1,604 | 2.7 | 1,980 | 2.9 | 0.2 | 2,561 | 3.7 | 0.9 | No |
| 45 to 59 | 1,489 | 2.5 | 1,965 | 2.8 | 0.2 | 2,467 | 3.6 | 0.9 | No |
| 60 or more | 1,642 | 2.7 | 2,100 | 3.0 | 0.2 | 1,938 | 2.8 | 0.9 | No |
| Mean travel time (minutes) | 16.9 | (X) | 17.8 | (X) | NA | 18.2 | (X) | 0.0 | NA |
W4. ARRIVAL TIME AT Work1 |
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| Workers (Did not work at home) | 59,711 | 100.0 | 69,060 | 100.0 | NA | 68,916 | 100.0 | NA | NA |
| 5:00 - 5:59 a.m. | 3,985 | 6.7 | 5,830 | 8.4 | 0.4 | 6,001 | 8.7 | 1.5 | No |
| 6:00 - 6:29 a.m. | 4,473 | 7.5 | 3,955 | 5.7 | 0.3 | 3,552 | 5.2 | 0.9 | No |
| 6:30 - 6:59 a.m. | 7,504 | 12.6 | 7,440 | 10.8 | 0.4 | 9,857 | 14.3 | 1.9 | Yes |
| 7:00 - 7:29 a.m. | 6,966 | 11.7 | 7,745 | 11.2 | 0.4 | 8,811 | 12.8 | 1.8 | No |
| 7:30 - 7:59 a.m. | 9,633 | 16.1 | 11,920 | 17.3 | 0.5 | 9,914 | 14.4 | 1.9 | Yes |
| 8:00 - 8:29 a.m. | 6,497 | 10.9 | 7,685 | 11.1 | 0.4 | 6,250 | 9.1 | 1.6 | Yes |
| 8:30 - 8:59 a.m. | 3,171 | 5.3 | 3,235 | 4.7 | 0.3 | 3,329 | 4.8 | 1.0 | No |
| 9:00 a.m. - 11:59 p.m. | 16,446 | 27.5 | 19,015 | 27.5 | 0.6 | 19,836 | 28.8 | 2.6 | No |
| 12:00 a.m. - 4:59 a.m. | 1,036 | 1.7 | 2,125 | 3.1 | 0.2 | 1,366 | 2.0 | 0.7 | 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.
