Download an Excel file* of this document: silver_spring_cdp_maryland.xls.
| Selected Characteristics1 | 1990 | 2000 | 2005 ACS | 2005 ACS MOE3 |
|---|---|---|---|---|
| Includes GQ Pop | Does not include GQ Pop | |||
| Total Persons | 76,046 | 76,540 | x | x |
| Total Persons in Household | 75,474 | 75,843 | 73,624 | x |
| Total Workers, Place of Residence | 43,599 | 40,668 | 41,487 | 3,517 |
| Total Workers, Place of Work | 40,992 | 31,215 | 41,150 | 3,755 |
| Employment-Residence Ratio | 0.94 | 0.77 | 0.99 | 0.21 |
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 | 40,992 | 100.0 | 31,215 | 100.0 | 650 | 41,150 | 100.0 | 3,755 | Yes |
| Drove alone | 26,410 | 64.4 | 19,820 | 63.5 | 580 | 25,847 | 62.8 | 2,985 | Yes |
| 2-person carpool | 4,426 | 10.8 | 3,100 | 9.9 | 261 | 2,780 | 6.8 | 1,036 | No |
| 3-person carpool | 703 | 1.7 | 630 | 2.0 | 120 | 749 | 1.8 | 580 | No |
| 4-or-more-person carpool | 536 | 1.3 | 380 | 1.2 | 93 | 0 | 0.0 | 268 | Yes |
| Public Transportation | 5,235 | 12.8 | 4,370 | 14.0 | 307 | 8,792 | 21.4 | 1,965 | Yes |
| Walked | 1,496 | 3.6 | 1,005 | 3.2 | 151 | 940 | 2.3 | 540 | No |
| Taxicab, motorcycle, bike or other | 557 | 1.4 | 375 | 1.2 | 92 | 490 | 1.2 | 280 | No |
| Worked at home | 1,629 | 4.0 | 1,545 | 4.9 | 186 | 1,552 | 3.8 | 618 | 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) | 39,363 | 100.0 | 29,670 | 100.0 | 645 | 39,598 | 100.0 | 3,662 | Yes |
| Less than 10 minutes | 3,037 | 7.7 | 1,710 | 5.8 | 196 | 1,878 | 4.7 | 700 | No |
| 10 to 14 | 3,872 | 9.8 | 2,265 | 7.6 | 224 | 2,524 | 6.4 | 972 | No |
| 15 to 19 | 5,634 | 14.3 | 3,375 | 11.4 | 272 | 4,265 | 10.8 | 1,425 | No |
| 20 to 24 | 5,853 | 14.9 | 3,275 | 11.0 | 268 | 5,150 | 13.0 | 1,781 | Yes |
| 25 to 29 | 2,798 | 7.1 | 1,600 | 5.4 | 189 | 1,568 | 4.0 | 587 | No |
| 30 to 34 | 6,708 | 17.0 | 5,185 | 17.5 | 332 | 7,313 | 18.5 | 1,709 | Yes |
| 35 to 44 | 3,352 | 8.5 | 3,030 | 10.2 | 258 | 2,830 | 7.1 | 885 | No |
| 45 to 59 | 4,375 | 11.1 | 4,445 | 15.0 | 309 | 5,752 | 14.5 | 1,216 | Yes |
| 60 or more | 3,734 | 9.5 | 4,790 | 16.1 | 320 | 8,318 | 21.0 | 2,289 | Yes |
| Mean travel time (minutes) | 28.2 | (X) | 35.3 | (X) | NA | 35.0 | (X) | NA | NA |
W4. ARRIVAL TIME AT Work1 |
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| Workers (Did not work at home) | 39,363 | 100.0 | 29,670 | 100.0 | 645 | 39,598 | 100.0 | 3,662 | Yes |
| 5:00 - 5:59 a.m. | 1,378 | 3.5 | 1,010 | 3.4 | 151 | 2,322 | 5.9 | 1,001 | Yes |
| 6:00 - 6:29 a.m. | 1,659 | 4.2 | 1,540 | 5.2 | 186 | 3,870 | 9.8 | 1,774 | Yes |
| 6:30 - 6:59 a.m. | 3,576 | 9.1 | 2,250 | 7.6 | 223 | 2,216 | 5.6 | 685 | No |
| 7:00 - 7:29 a.m. | 4,679 | 11.9 | 3,000 | 10.1 | 257 | 3,827 | 9.7 | 1,106 | No |
| 7:30 - 7:59 a.m. | 6,170 | 15.7 | 4,265 | 14.4 | 303 | 5,100 | 12.9 | 1,199 | No |
| 8:00 - 8:29 a.m. | 6,657 | 16.9 | 5,010 | 16.9 | 327 | 5,795 | 14.6 | 1,738 | No |
| 8:30 - 8:59 a.m. | 5,088 | 12.9 | 3,700 | 12.5 | 284 | 4,815 | 12.2 | 1,502 | No |
| 9:00 a.m. - 11:59 p.m. | 9,625 | 24.5 | 7,905 | 26.6 | 403 | 11,128 | 28.1 | 2,178 | Yes |
| 12:00 a.m. - 4:59 a.m. | 531 | 1.3 | 525 | 1.8 | 109 | 525 | 1.3 | 318 | 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.
