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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 | 249,967 | -- | 393,022 | -- | 422,679 | 441,748 | -- | -- |
| Persons in Households 2 | 245,028 | 282 | 389,823 | -- | 417,582 | 437,851 | -- | -- |
| Total Households 3 | 86,893 | 232 | 129,187 | 1,307 | 152,606 | 154,373 | 1,272 | Yes |
| Average Number of Persons per Household 4 | 2.82 | 0.01 | 3.02 | 0.03 | 2.74 | 2.84 | 0.02 | No |
| Average Household Income 5 | $70,065 | $696 | $79,465 | $1,777 | -- | $82,847 | $1,737 | Yes |
| Average Number of Vehicles per Household 6 | 1.92 | 0.02 | 1.89 | 0.03 | -- | 1.88 | 0.03 | Yes |
| Percent of Persons in Poverty 7 | 4.80 | 0.20 | 5.70 | 0.70 | -- | 7.70 | 0.77 | Yes |
| Percent Minority 8 | 17.60 | 0.30 | 19.60 | 0.77 | 21.90 | 16.70 | 0.52 | Yes |
| Percent of Persons 65 and Over 9 | 7.20 | 0.20 | 9.00 | 0.39 | 8.90 | 9.40 | 0.34 | Yes |
| Percent of Persons Foreign Born 10 | 7.40 | 0.20 | 10.00 | 0.67 | -- | 11.30 | 0.71 | Yes |
| Total Workers at Place of Residence11 | 129,584 | 1,011 | 204,082 | 2,713 | -- | 215,930 | 3,074 | 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 | 127,640 | 100.0 | 1,011 | 194,879 | 100.0 | 2,280 | 211,623 | 100.0 | 3,064 | Yes |
| Drove alone | 104,960 | 82.2 | 998 | 153,761 | 78.9 | 3,176 | 170,430 | 80.5 | 3,438 | Yes |
| 2-person Carpool | 11,895 | 9.3 | 431 | 19,034 | 9.8 | 1,849 | 15,168 | 7.2 | 1,606 | Yes |
| 3-or-more-person Carpool | 3,160 | 2.5 | 226 | 5,573 | 2.9 | 1,023 | 4,941 | 2.3 | 867 | Yes |
| Transit | 404 | 0.3 | 81 | 1,152 | 0.6 | 404 | 1,128 | 0.5 | 349 | Yes |
| Bike | 265 | 0.2 | 66 | 532 | 0.3 | 335 | 495 | 0.2 | 282 | No |
| Walked | 1,330 | 1.0 | 147 | 2,268 | 1.2 | 566 | 2,203 | 1.0 | 464 | Yes |
| Taxi, Motorcycle and Other means | 850 | 0.7 | 118 | 2,303 | 1.2 | 524 | 2,384 | 1.1 | 534 | Yes |
| Worked at Home | 4,775 | 3.7 | 277 | 10,256 | 5.3 | 1,055 | 14,874 | 7.0 | 1,657 | 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 | 89,485 | 100.0 | 970 | 141,918 | 100.0 | 3,768 | 149,744 | 100.0 | 4,133 | Yes |
| Drove alone | 69,645 | 77.8 | 907 | 108,730 | 76.6 | 3,516 | 115,940 | 77.4 | 3,505 | Yes |
| 2-person Carpool | 9,070 | 10.1 | 378 | 15,079 | 10.6 | 1,553 | 10,042 | 6.7 | 1,014 | No |
| 3-or-more-person Carpool | 3,475 | 3.9 | 237 | 3,469 | 2.4 | 724 | 4,179 | 2.8 | 917 | No |
| Transit | 215 | 0.2 | 59 | 420 | 0.3 | 229 | 351 | 0.2 | 170 | No |
| Bike | 260 | 0.3 | 65 | 357 | 0.3 | 181 | 446 | 0.3 | 262 | No |
| Walked | 1,325 | 1.5 | 147 | 2,014 | 1.4 | 588 | 2,098 | 1.4 | 461 | Yes |
| Taxi, Motorcycle and Other means | 725 | 0.8 | 109 | 1,593 | 1.1 | 491 | 1,814 | 1.2 | 520 | Yes |
| Worked at Home | 4,775 | 5.3 | 277 | 10,256 | 7.2 | 1,055 | 14,874 | 9.9 | 1,657 | 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) | 28.0 | 0.3 | 25.4 | 0.7 | 26.0 | 0.8 | Yes |
| Drove alone | 27.8 | 0.3 | 25.2 | 0.9 | 25.7 | 1.0 | Yes |
| Carpooled | 29.3 | 0.8 | 26.6 | 3.4 | 28.1 | 3.9 | No |
| Transit | 57.1 | 7.4 | 57.9 | 29.7 | 54.3 | 26.7 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 22.5 | 2.6 | 21.0 | 6.3 | 21.1 | 5.8 | 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
