Download an Excel file* of this document: columbia_cdp_maryland.xls.
| Selected Characteristics1 | 1990 | 2000 | 2005 ACS | 2005 ACS MOE3 |
|---|---|---|---|---|
| Includes GQ Pop | Does not include GQ Pop | |||
| Total Persons | 75,883 | 88,254 | x | x |
| Total Persons in Household | 75,583 | 86,886 | 93,637 | x |
| Total Workers, Place of Residence | 46,320 | 50,175 | 51,836 | 2,744 |
| Total Workers, Place of Work | 34,700 | 45,015 | 49,036 | 3,760 |
| Employment-Residence Ratio | 0.75 | 0.90 | 0.95 | 0.14 |
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 | 34,700 | 100.0 | 45,015 | 100.0 | 710 | 49,036 | 100.0 | 3,760 | Yes |
| Drove alone | 28,375 | 81.8 | 36,995 | 82.2 | 701 | 39,881 | 81.3 | 3,563 | No |
| 2-person carpool | 3,185 | 9.2 | 3,290 | 7.3 | 269 | 3,819 | 7.8 | 1,096 | No |
| 3-person carpool | 408 | 1.2 | 525 | 1.2 | 109 | 1,233 | 2.5 | 1,061 | No |
| 4-or-more-person carpool | 336 | 1.0 | 510 | 1.1 | 108 | 490 | 1.0 | 334 | No |
| Public Transportation | 294 | 0.8 | 355 | 0.8 | 90 | 284 | 0.6 | 250 | No |
| Walked | 550 | 1.6 | 690 | 1.5 | 125 | 385 | 0.8 | 344 | No |
| Taxicab, motorcycle, bike or other | 273 | 0.8 | 390 | 0.9 | 94 | 516 | 1.1 | 381 | No |
| Worked at home | 1,279 | 3.7 | 2,265 | 5.0 | 225 | 2,428 | 5.0 | 853 | No |
W3. TRAVEL TIME TO WORK (Universe = Workers who did not work at home)1 |
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| Workers (Did not work at home) | 33,421 | 100.0 | 42,750 | 100.0 | 710 | NA | NA | NA | NA |
| Less than 10 minutes | 4,424 | 13.2 | 4,375 | 10.2 | 308 | NA | NA | NA | NA |
| 10 to 14 | 5,582 | 16.7 | 5,970 | 14.0 | 357 | NA | NA | NA | NA |
| 15 to 19 | 5,058 | 15.1 | 6,150 | 14.4 | 362 | NA | NA | NA | NA |
| 20 to 24 | 4,160 | 12.4 | 5,505 | 12.9 | 344 | NA | NA | NA | NA |
| 25 to 29 | 1,900 | 5.7 | 2,760 | 6.5 | 247 | NA | NA | NA | NA |
| 30 to 34 | 4,276 | 12.8 | 6,510 | 15.2 | 371 | NA | NA | NA | NA |
| 35 to 44 | 2,977 | 8.9 | 3,825 | 8.9 | 289 | NA | NA | NA | NA |
| 45 to 59 | 3,219 | 9.6 | 4,165 | 9.7 | 301 | NA | NA | NA | NA |
| 60 or more | 1,825 | 5.5 | 3,485 | 8.2 | 277 | NA | NA | NA | NA |
| Mean travel time (minutes) | 23.9 | (X) | 27.4 | (X) | NA | 24.6 | (X) | NA | NA |
W4. ARRIVAL TIME AT Work1 |
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| Workers (Did not work at home) | 33,421 | 100.0 | 42,750 | 100.0 | 710 | NA | NA | NA | NA |
| 5:00 - 5:59 a.m. | 638 | 1.9 | 775 | 1.8 | 133 | NA | NA | NA | NA |
| 6:00 - 6:29 a.m. | 1,016 | 3.0 | 1,390 | 3.3 | 177 | NA | NA | NA | NA |
| 6:30 - 6:59 a.m. | 2,038 | 6.1 | 2,930 | 6.9 | 255 | NA | NA | NA | NA |
| 7:00 - 7:29 a.m. | 3,370 | 10.1 | 4,470 | 10.5 | 312 | NA | NA | NA | NA |
| 7:30 - 7:59 a.m. | 5,859 | 17.5 | 6,845 | 16.0 | 380 | NA | NA | NA | NA |
| 8:00 - 8:29 a.m. | 6,557 | 19.6 | 8,255 | 19.3 | 414 | NA | NA | NA | NA |
| 8:30 - 8:59 a.m. | 4,713 | 14.1 | 5,220 | 12.2 | 335 | NA | NA | NA | NA |
| 9:00 a.m. - 11:59 p.m. | 8,959 | 26.8 | 11,955 | 28.0 | 486 | NA | NA | NA | NA |
| 12:00 a.m. - 4:59 a.m. | 271 | 0.8 | 485 | 1.1 | 105 | NA | NA | NA | NA |
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.
