Download an Excel file* of this document: boulder_city_colorado.xls.
| Selected Characteristics1 | 1990 | 2000 | 2005 ACS | 2005 ACS MOE3 |
|---|---|---|---|---|
| Includes GQ Pop | Does not include GQ Pop | |||
| Total Persons | 83,312 | 94,673 | x | x |
| Total Persons in Household | 75,736 | 87,194 | 83,432 | x |
| Total Workers, Place of Residence | 46,382 | 53,828 | 46,261 | 3,544 |
| Total Workers, Place of Work | 73,650 | 90,720 | 84,670 | 4,613 |
| Employment-Residence Ratio | 1.59 | 1.69 | 1.83 | 0.23 |
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 | 73,650 | 100.0 | 90,720 | 100.0 | 294 | 84,670 | 100.0 | 4,613 | Yes |
| Drove alone | 50,911 | 69.1 | 62,925 | 69.4 | 695 | 59,498 | 70.3 | 3,976 | No |
| 2-person carpool | 7,435 | 10.1 | 8,210 | 9.0 | 414 | 7,118 | 8.4 | 1,609 | No |
| 3-person carpool | 833 | 1.1 | 1,160 | 1.3 | 162 | 870 | 1.0 | 528 | No |
| 4-or-more-person carpool | 480 | 0.7 | 575 | 0.6 | 114 | 213 | 0.3 | 176 | Yes |
| Public Transportation | 2,610 | 3.5 | 5,055 | 5.6 | 331 | 4,823 | 5.7 | 933 | No |
| Walked | 5,071 | 6.9 | 4,910 | 5.4 | 326 | 3,116 | 3.7 | 1,017 | Yes |
| Taxicab, motorcycle, bike or other | 3,944 | 5.4 | 4,405 | 4.9 | 310 | 4,126 | 4.9 | 951 | No |
| Worked at home | 2,366 | 3.2 | 3,490 | 3.8 | 277 | 4,906 | 5.8 | 997 | 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) | 71,284 | 100.0 | 87,230 | 100.0 | 396 | 79,764 | 100.0 | 4,389 | Yes |
| Less than 10 minutes | 11,283 | 15.8 | 11,100 | 12.7 | 473 | 8,793 | 11.0 | 1,677 | Yes |
| 10 to 14 | 13,878 | 19.5 | 14,635 | 16.8 | 532 | 11,760 | 14.7 | 1,812 | Yes |
| 15 to 19 | 13,233 | 18.6 | 14,760 | 16.9 | 534 | 13,658 | 17.1 | 1,508 | No |
| 20 to 24 | 10,378 | 14.6 | 13,020 | 14.9 | 507 | 11,886 | 14.9 | 1,616 | No |
| 25 to 29 | 4,163 | 5.8 | 5,100 | 5.8 | 332 | 5,915 | 7.4 | 1,482 | No |
| 30 to 34 | 8,372 | 11.7 | 11,745 | 13.5 | 485 | 11,158 | 14.0 | 1,754 | No |
| 35 to 44 | 3,939 | 5.5 | 6,230 | 7.1 | 365 | 7,387 | 9.3 | 1,605 | No |
| 45 to 59 | 3,763 | 5.3 | 6,230 | 7.1 | 365 | 6,528 | 8.2 | 1,240 | No |
| 60 or more | 2,275 | 3.2 | 4,405 | 5.0 | 310 | 2,679 | 3.4 | 765 | Yes |
| Mean travel time (minutes) | 20.3 | (X) | 23.5 | (X) | NA | 22.0 | (X) | NA | NA |
W4. ARRIVAL TIME AT Work1 |
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| Workers (Did not work at home) | 71,284 | 100.0 | 87,230 | 100.0 | 396 | 79,764 | 100.0 | 4,389 | Yes |
| 5:00 - 5:59 a.m. | 2,006 | 2.8 | 2,470 | 2.8 | 235 | 2,058 | 2.6 | 670 | No |
| 6:00 - 6:29 a.m. | 3,079 | 4.3 | 3,420 | 3.9 | 275 | 4,357 | 5.5 | 1,487 | No |
| 6:30 - 6:59 a.m. | 6,228 | 8.7 | 6,825 | 7.8 | 381 | 4,403 | 5.5 | 1,238 | Yes |
| 7:00 - 7:29 a.m. | 8,501 | 11.9 | 10,150 | 11.6 | 455 | 8,674 | 10.9 | 1,265 | Yes |
| 7:30 - 7:59 a.m. | 13,584 | 19.1 | 15,075 | 17.3 | 538 | 13,947 | 17.5 | 1,599 | No |
| 8:00 - 8:29 a.m. | 11,639 | 16.3 | 14,660 | 16.8 | 532 | 14,118 | 17.7 | 2,053 | No |
| 8:30 - 8:59 a.m. | 6,058 | 8.5 | 8,175 | 9.4 | 413 | 9,596 | 12.0 | 1,442 | No |
| 9:00 a.m. - 11:59 p.m. | 19,378 | 27.2 | 24,315 | 27.9 | 643 | 21,648 | 27.1 | 2,257 | Yes |
| 12:00 a.m. - 4:59 a.m. | 811 | 1.1 | 1,185 | 1.4 | 164 | 963 | 1.2 | 469 | 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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