Download an Excel file* of this document: washtenaw_county_michigan.xls.
| Selected Characteristics1 | 1990 | 2000 | 2005 ACS | 2005 ACS MOE3 |
|---|---|---|---|---|
| Includes GQ Pop | Does not include GQ Pop | |||
| Total Persons | 282,937 | 322,895 | x | x |
| Total Persons in Household | 261,256 | 301,593 | 319,791 | x |
| Total Workers, Place of Residence | 148,727 | 169,169 | 158,777 | 3,942 |
| Total Workers, Place of Work | 180,147 | 199,850 | 193,063 | 4,678 |
| Employment-Residence Ratio | 1.21 | 1.18 | 1.22 | 0.06 |
W2. MODE TO WORK1 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|
| 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 | 180,147 | 100.0 | 199,850 | 100.0 | NA | 193,063 | 100.0 | NA | NA |
| Drove alone | 134,414 | 74.6 | 154,785 | 77.5 | 0.4 | 152,525 | 79.0 | 2.1 | No |
| 2-person carpool | 16,878 | 9.4 | 15,310 | 7.7 | 0.3 | 15,531 | 8.0 | 1.1 | No |
| 3-person carpool | 1,925 | 1.1 | 2,150 | 1.1 | 0.1 | 1,456 | 0.8 | 0.3 | Yes |
| 4-or-more-person carpool | 908 | 0.5 | 1,155 | 0.6 | 0.1 | 1,651 | 0.9 | 0.4 | No |
| Public Transportation | 4,380 | 2.4 | 5,269 | 2.6 | 0.2 | 5,329 | 2.8 | 0.6 | No |
| Walked | 14,396 | 8.0 | 12,520 | 6.3 | 0.2 | 6,949 | 3.6 | 0.7 | Yes |
| Taxicab, motorcycle, bike or other | 2,422 | 1.3 | 2,665 | 1.3 | 0.1 | 2,484 | 1.3 | 0.4 | No |
| Worked at home | 4,824 | 2.7 | 5,995 | 3.0 | 0.2 | 7,138 | 3.7 | 0.6 | Yes |
W3. TRAVEL TIME TO WORK (Universe = Workers who did not work at home)1 |
|||||||||
| Workers (Did not work at home) | 175,323 | 100.0 | 193,855 | 100.0 | NA | 185,925 | 100.0 | NA | NA |
| Less than 10 minutes | 25,586 | 14.6 | 23,865 | 12.3 | 0.3 | 19,161 | 10.3 | 1.1 | Yes |
| 10 to 14 | 29,477 | 16.8 | 29,550 | 15.2 | 0.4 | 24,490 | 13.2 | 1.4 | Yes |
| 15 to 19 | 29,988 | 17.1 | 32,330 | 16.7 | 0.4 | 28,406 | 15.3 | 1.4 | No |
| 20 to 24 | 27,784 | 15.8 | 28,215 | 14.6 | 0.4 | 30,582 | 16.4 | 1.5 | Yes |
| 25 to 29 | 11,529 | 6.6 | 13,030 | 6.7 | 0.3 | 13,090 | 7.0 | 0.8 | No |
| 30 to 34 | 20,666 | 11.8 | 24,920 | 12.9 | 0.3 | 24,911 | 13.4 | 1.3 | No |
| 35 to 44 | 11,558 | 6.6 | 15,130 | 7.8 | 0.3 | 16,915 | 9.1 | 1.0 | Yes |
| 45 to 59 | 11,736 | 6.7 | 15,685 | 8.1 | 0.3 | 16,955 | 9.1 | 1.1 | No |
| 60 or more | 6,999 | 4.0 | 11,135 | 5.7 | 0.2 | 11,415 | 6.1 | 0.8 | No |
| Mean travel time (minutes) | 21.9 | (X) | 24.9 | (X) | NA | 24.7 | (X) | 0.0 | NA |
W4. ARRIVAL TIME AT Work1 |
|||||||||
| Workers (Did not work at home) | 175,323 | 100.0 | 193,855 | 100.0 | NA | 185,925 | 100.0 | NA | NA |
| 5:00 - 5:59 a.m. | 8,507 | 4.9 | 7,975 | 4.1 | 0.2 | 7,247 | 3.9 | 0.6 | No |
| 6:00 - 6:29 a.m. | 6,824 | 3.9 | 7,050 | 3.6 | 0.2 | 9,056 | 4.9 | 0.8 | Yes |
| 6:30 - 6:59 a.m. | 14,962 | 8.5 | 16,310 | 8.4 | 0.3 | 18,247 | 9.8 | 1.2 | Yes |
| 7:00 - 7:29 a.m. | 18,271 | 10.4 | 20,595 | 10.6 | 0.3 | 19,036 | 10.2 | 1.0 | No |
| 7:30 - 7:59 a.m. | 28,718 | 16.4 | 31,890 | 16.5 | 0.4 | 29,195 | 15.7 | 1.1 | No |
| 8:00 - 8:29 a.m. | 25,248 | 14.4 | 27,210 | 14.0 | 0.3 | 24,572 | 13.2 | 1.4 | No |
| 8:30 - 8:59 a.m. | 14,180 | 8.1 | 15,860 | 8.2 | 0.3 | 17,852 | 9.6 | 1.0 | Yes |
| 9:00 a.m. - 11:59 p.m. | 55,335 | 31.6 | 60,870 | 31.4 | 0.5 | 57,240 | 30.8 | 1.4 | No |
| 12:00 a.m. - 4:59 a.m. | 3,278 | 1.9 | 4,640 | 2.4 | 0.2 | 3,480 | 1.9 | 0.5 | No |
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.
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