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| 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 | 280,813 | -- | 368,623 | -- | 402,002 | 418,759 | -- | -- |
| Persons in Households 2 | 278,416 | 233 | 364,605 | -- | 399,482 | 414,540 | -- | -- |
| Total Households 3 | 94,662 | 273 | 124,904 | 1,272 | 130,785 | 132,261 | 1,029 | Yes |
| Average Number of Persons per Household 4 | 2.94 | 0.02 | 2.92 | 0.03 | 3.05 | 3.13 | 0.02 | Yes |
| Average Household Income 5 | $75,215 | $808 | $104,760 | $2,192 | -- | $112,387 | $2,700 | Yes |
| Average Number of Vehicles per Household 6 | 2.02 | 0.02 | 2.13 | 0.04 | -- | 2.10 | 0.03 | Yes |
| Percent of Persons in Poverty 7 | 4.40 | 0.20 | 5.20 | 0.73 | -- | 6.50 | 0.89 | Yes |
| Percent Minority 8 | 31.20 | 0.40 | 40.10 | 0.68 | 42.20 | 38.70 | 0.77 | Yes |
| Percent of Persons 65 and Over 9 | 4.60 | 0.20 | 6.40 | 0.29 | 6.80 | 7.10 | 0.31 | Yes |
| Percent of Persons Foreign Born 10 | 11.50 | 0.30 | 20.40 | 0.75 | -- | 21.10 | 0.75 | Yes |
| Total Workers at Place of Residence11 | 152,794 | 1,262 | 202,449 | 2,437 | -- | 220,389 | 2,846 | 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 | 150,525 | 100.0 | 1,264 | 194,132 | 100.0 | 2,098 | 215,535 | 100.0 | 2,485 | Yes |
| Drove alone | 109,400 | 72.7 | 1,236 | 139,028 | 71.6 | 2,356 | 157,450 | 73.1 | 3,459 | Yes |
| 2-person Carpool | 14,855 | 9.9 | 567 | 18,427 | 9.5 | 1,436 | 20,398 | 9.5 | 2,189 | Yes |
| 3-or-more-person Carpool | 13,410 | 8.9 | 540 | 12,736 | 6.6 | 1,220 | 10,894 | 5.1 | 1,040 | Yes |
| Transit | 4,500 | 3.0 | 318 | 10,362 | 5.3 | 949 | 12,191 | 5.7 | 1,215 | Yes |
| Bike | 125 | 0.1 | 53 | 475 | 0.2 | 338 | 278 | 0.1 | 182 | No |
| Walked | 2,155 | 1.4 | 221 | 2,941 | 1.5 | 859 | 4,311 | 2.0 | 797 | Yes |
| Taxi, Motorcycle and Other means | 1,640 | 1.1 | 193 | 2,029 | 1.0 | 456 | 1,808 | 0.8 | 386 | No |
| Worked at Home | 4,435 | 2.9 | 316 | 8,134 | 4.2 | 858 | 8,205 | 3.8 | 1,044 | Yes |
| 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 | 85,795 | 100.0 | 1,167 | 119,538 | 100.0 | 3,468 | 128,471 | 100.0 | 3,722 | Yes |
| Drove alone | 64,760 | 75.5 | 1,067 | 89,599 | 75.0 | 3,105 | 98,237 | 76.5 | 3,221 | Yes |
| 2-person Carpool | 8,890 | 10.4 | 444 | 10,641 | 8.9 | 1,205 | 10,264 | 8.0 | 1,314 | No |
| 3-or-more-person Carpool | 3,385 | 3.9 | 277 | 3,911 | 3.3 | 695 | 3,219 | 2.5 | 652 | No |
| Transit | 730 | 0.9 | 129 | 1,764 | 1.5 | 465 | 1,959 | 1.5 | 604 | Yes |
| Bike | 85 | 0.1 | 44 | 297 | 0.2 | 163 | 324 | 0.3 | 203 | Yes |
| Walked | 2,375 | 2.8 | 232 | 4,182 | 3.5 | 1,269 | 4,880 | 3.8 | 1,042 | Yes |
| Taxi, Motorcycle and Other means | 1,135 | 1.3 | 161 | 1,010 | 0.8 | 312 | 1,383 | 1.1 | 357 | No |
| Worked at Home | 4,435 | 5.2 | 316 | 8,134 | 6.8 | 858 | 8,205 | 6.4 | 1,044 | 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) | 36.9 | 0.4 | 38.3 | 0.9 | 39.8 | 1.0 | Yes |
| Drove alone | 34.8 | 0.4 | 36.0 | 1.1 | 37.4 | 1.4 | Yes |
| Carpooled | 41.9 | 0.8 | 42.1 | 3.7 | 44.0 | 5.1 | No |
| Transit | 64.3 | 2.4 | 65.1 | 8.4 | 70.2 | 10.2 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 26.6 | 2.4 | 23.7 | 6.0 | 22.5 | 5.9 | No |
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
