Download an Excel file* of this document: profile_virginia__montgomery_county.xls.
| Table 1. Selected Characteristics | Census 2000 | 2007-2009 ACS | 2010 Census | 2010-2012 ACS | Is the numeric change between Census 2000 and 2010-2012 ACS Significant? ** |
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|---|---|---|---|---|---|---|---|---|
| Value | MOE(+/-) | Value | MOE(+/-) | Value | Value | MOE(+/-) | ||
| Total Persons 1 | 83,629 | -- | 90,155 | -- | 94,392 | 94,800 | -- | -- |
| Persons in Households 2 | 74,471 | 432 | 78,004 | -- | 85,155 | 84,975 | -- | -- |
| Total Households 3 | 31,054 | 179 | 33,640 | 875 | 35,767 | 34,718 | 985 | Yes |
| Average Number of Persons per Household 4 | 2.40 | 0.04 | 2.32 | 0.04 | 2.38 | 2.45 | 0.05 | No |
| Average Household Income 5 | $44,550 | $1,239 | $57,001 | $2,543 | -- | $60,452 | $3,187 | Yes |
| Average Number of Vehicles per Household 6 | 1.92 | 0.04 | 2.01 | 0.10 | -- | 1.92 | 0.09 | No |
| Percent of Persons in Poverty 7 | 23.20 | 0.70 | 23.40 | 1.78 | -- | 25.20 | 2.30 | No |
| Percent Minority 8 | 9.80 | 0.50 | 11.50 | 0.34 | 12.40 | 12.50 | 0.40 | Yes |
| Percent of Persons 65 and Over 9 | 8.60 | 0.50 | 9.00 | 0.61 | 9.80 | 10.10 | 0.75 | Yes |
| Percent of Persons Foreign Born 10 | 5.80 | 0.40 | 6.70 | 0.74 | -- | 9.10 | 1.24 | Yes |
| Total Workers at Place of Residence11 | 39,488 | 690 | 42,703 | 1,575 | -- | 45,249 | 1,310 | Yes |
| Table 2a. Mode to Work 12 | CTPP2000 | 2007-2009 ACS | 2010-2012 ACS | Is the numeric change between CTPP 2000 and 2010-2012 ACS Significant? ** |
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|---|---|---|---|---|---|---|---|---|---|---|
| Number | Percent | MOE(+/-)* | Number | Percent | MOE(+/-)* | Number | Percent | MOE(+/-)* | ||
| Total Workers | 38,330 | 100.0 | 689 | 41,087 | 100.0 | 1,141 | -- | 100.0 | -- | -- |
| Drove alone | 29,665 | 77.4 | 662 | 30,383 | 73.9 | 1,318 | -- | -- | -- | -- |
| 2-person Carpool | 3,025 | 7.9 | 258 | 3,711 | 9.0 | 572 | -- | -- | -- | -- |
| 3-or-more-person Carpool | 730 | 1.9 | 129 | 940 | 2.3 | 351 | -- | -- | -- | -- |
| Transit | 1,160 | 3.0 | 162 | 1,084 | 2.6 | 321 | -- | -- | -- | -- |
| Bike | 350 | 0.9 | 89 | 513 | 1.2 | 199 | -- | -- | -- | -- |
| Walked | 1,985 | 5.2 | 211 | 1,867 | 4.5 | 444 | -- | -- | -- | -- |
| Taxi, Motorcycle and Other means | 265 | 0.7 | 78 | 259 | 0.6 | 123 | -- | -- | -- | -- |
| Worked at Home | 1,150 | 3.0 | 161 | 2,330 | 5.7 | 404 | -- | -- | -- | -- |
| Table 2b. Mode to Work 12 | CTPP2000 | 2007-2009 ACS | 2010-2012 ACS | Is the numeric change between CTPP 2000 and 2010-2012 ACS Significant? ** |
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|---|---|---|---|---|---|---|---|---|---|---|
| Number | Percent | MOE(+/-)* | Number | Percent | MOE(+/-)* | Number | Percent | MOE(+/-)* | ||
| At Place of Work | ||||||||||
| Total Workers | 39,910 | 100.0 | 691 | 46,024 | 100.0 | 1,477 | 50,717 | 100.0 | 1,580 | Yes |
| Drove alone | 30,655 | 76.8 | 666 | 33,756 | 73.3 | 1,613 | 38,842 | 76.6 | 1,401 | Yes |
| 2-person Carpool | 3,345 | 8.4 | 271 | 4,835 | 10.5 | 780 | 4,280 | 8.4 | 698 | Yes |
| 3-or-more-person Carpool | 915 | 2.3 | 144 | 1,033 | 2.2 | 315 | 514 | 1.0 | 204 | Yes |
| Transit | 1,170 | 2.9 | 162 | 1,294 | 2.8 | 369 | 1,788 | 3.5 | 458 | Yes |
| Bike | 345 | 0.9 | 89 | 528 | 1.1 | 202 | 421 | 0.8 | 185 | No |
| Walked | 2,060 | 5.2 | 214 | 2,016 | 4.4 | 443 | 2,394 | 4.7 | 662 | No |
| Taxi, Motorcycle and Other means | 265 | 0.7 | 78 | 232 | 0.5 | 105 | 171 | 0.3 | 102 | No |
| Worked at Home | 1,150 | 2.9 | 161 | 2,330 | 5.1 | 404 | 2,307 | 4.5 | 559 | Yes |
| Table 3. Mean Travel Time by Mode to Work 13 | Census 2000 | 2007-2009 ACS | 2010-2012 ACS | Is the change in travel time between Census 2000 and 2010-2012 ACS Significant? ** |
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|---|---|---|---|---|---|---|---|
| Minutes | MOE(+/-) | Minutes | MOE(+/-) | Minutes | MOE(+/-) | ||
| At Place of Residence | |||||||
| Total Workers (does not include workers who worked at home) | 19.2 | 0.5 | 18.5 | 1.2 | -- | -- | -- |
| Drove alone | 19.4 | 0.5 | 18.7 | 1.5 | -- | -- | -- |
| Carpooled | 21.9 | 1.7 | 21.1 | 5.4 | -- | -- | -- |
| Transit | 16.0 | 1.0 | 15.5 | 6.7 | -- | -- | -- |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 13.8 | 1.6 | 13.4 | 4.6 | -- | -- | -- |
Notes:
* The coefficient of variation (CV) can be derived by the standard error (SE) divided by the estimate, while SE = MOE/1.645.
** The z-value of the difference of the two estimates are used to determined if the two estimates are significantly different at 90% confidence level.
1 Census 2000 SF3 Table P1; 2007-2009 ACS Table B01003; 2010-2012 ACS Table B01003
2 Census 2000 SF3 Table P9; 2007-2009 ACS Table B09016; 2010-2012 ACS Table B01003 minus Table B26001
3 Census 2000 SF3 Table P10; 2007-2009 ACS Table B19001; 2010-2012 ACS Table B19001
4 Census 2000 SF3 Table P9 divided Census 2000 SF3 Table P10; 2007-2009 ACS Table B09016 divided 2007-2009 ACS Table B19001; 2010-2012 ACS Table S1101
5 CTPP2000 Table 1-090; 2007-2009 ACS Table B19025; 2010-2012 ACS Table B19025
6 Census 2000 SF3 Table H46; 2007-2009 ACS Table B25046; 2010-2012 ACS Table B25046
7 Census 2000 SF3 Table P87; 2007 -2009 ACS Table B17001; 2010-2012 ACS Table B17001
8 Census 2000 SF3 Table P6; 2007-2009 ACS Table B02001; 2010-2012 ACS Table B02001
9 Census 2000 SF3 Table P8; 2007-2009 ACS Table B01001; 2010-2012 ACS Table B01001
10 Census 2000 SF3 Table P21; 2007-2009 ACS Table B06003; 2010-2012 ACS Table B06003
11 Census 2000 SF3 Table P43; 2007-2009 ACS Table B23001; 2010-2012 ACS Table B23025
12 Residence place information is from CTPP2000 Table 1-002; 2007- 2009 ACS Table B08301; 2010-2012 ACS Table B08301. Workplace information is from CTPP2000 Table 2-002; 2007-2009 ACS Table B08406; 2010-2012 ACS Table B08601
13 CTPP2000 1-118; 2007-2009 ACS Table C08136; 2010-2012 ACS Table C08136
