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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 | 812,280 | -- | 998,399 | -- | 1,024,266 | 1,062,335 | -- | -- |
| Persons in Households 2 | 791,586 | 575 | 975,734 | -- | 1,001,220 | 1,041,062 | -- | -- |
| Total Households 3 | 320,883 | 484 | 391,589 | 2,608 | 404,467 | 409,351 | 2,215 | Yes |
| Average Number of Persons per Household 4 | 2.47 | 0.01 | 2.49 | 0.01 | 2.48 | 2.54 | 0.01 | Yes |
| Average Household Income 5 | $64,715 | $430 | $78,480 | $1,407 | -- | $80,846 | $1,208 | Yes |
| Average Number of Vehicles per Household 6 | 1.65 | 0.01 | 1.66 | 0.02 | -- | 1.68 | 0.02 | Yes |
| Percent of Persons in Poverty 7 | 12.50 | 0.20 | 15.10 | 0.58 | -- | 18.50 | 0.61 | Yes |
| Percent Minority 8 | 31.80 | 0.20 | 32.20 | 0.64 | 30.70 | 25.90 | 0.59 | Yes |
| Percent of Persons 65 and Over 9 | 6.70 | 0.10 | 6.80 | 0.19 | 7.30 | 7.60 | 0.18 | Yes |
| Percent of Persons Foreign Born 10 | 15.10 | 0.20 | 18.20 | 0.52 | -- | 17.70 | 0.42 | Yes |
| Total Workers at Place of Residence11 | 441,691 | 1,816 | 550,209 | 4,087 | -- | 553,132 | 3,726 | 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 | 433,065 | 100.0 | 1,819 | 534,566 | 100.0 | 4,728 | 542,221 | 100.0 | 3,782 | Yes |
| Drove alone | 324,475 | 74.9 | 1,786 | 387,291 | 72.4 | 4,608 | 396,416 | 73.1 | 4,692 | Yes |
| 2-person Carpool | 42,510 | 9.8 | 812 | 45,838 | 8.6 | 2,489 | 43,781 | 8.1 | 2,410 | No |
| 3-or-more-person Carpool | 16,530 | 3.8 | 515 | 17,798 | 3.3 | 1,799 | 14,624 | 2.7 | 1,901 | No |
| Transit | 15,515 | 3.6 | 499 | 22,167 | 4.1 | 1,933 | 18,751 | 3.5 | 1,702 | Yes |
| Bike | 3,340 | 0.8 | 233 | 5,022 | 0.9 | 789 | 6,415 | 1.2 | 744 | Yes |
| Walked | 9,730 | 2.2 | 397 | 9,524 | 1.8 | 1,038 | 12,894 | 2.4 | 1,097 | Yes |
| Taxi, Motorcycle and Other means | 5,180 | 1.2 | 290 | 15,219 | 2.8 | 1,823 | 10,328 | 1.9 | 1,382 | Yes |
| Worked at Home | 15,795 | 3.6 | 504 | 31,707 | 5.9 | 1,553 | 39,012 | 7.2 | 2,051 | 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 | 523,210 | 100.0 | 1,746 | 638,129 | 100.0 | 6,290 | 647,194 | 100.0 | 6,034 | Yes |
| Drove alone | 400,620 | 76.6 | 1,823 | 475,839 | 74.6 | 6,396 | 488,374 | 75.5 | 6,501 | Yes |
| 2-person Carpool | 53,585 | 10.2 | 905 | 56,723 | 8.9 | 3,041 | 55,397 | 8.6 | 3,002 | No |
| 3-or-more-person Carpool | 18,910 | 3.6 | 550 | 21,241 | 3.3 | 2,056 | 16,382 | 2.5 | 1,928 | Yes |
| Transit | 15,650 | 3.0 | 501 | 22,928 | 3.6 | 2,073 | 19,465 | 3.0 | 1,679 | Yes |
| Bike | 3,350 | 0.6 | 234 | 5,222 | 0.8 | 841 | 6,466 | 1.0 | 732 | Yes |
| Walked | 9,900 | 1.9 | 400 | 9,855 | 1.5 | 1,069 | 12,716 | 2.0 | 1,138 | Yes |
| Taxi, Motorcycle and Other means | 5,390 | 1.0 | 296 | 14,614 | 2.3 | 1,628 | 9,382 | 1.4 | 1,302 | Yes |
| Worked at Home | 15,795 | 3.0 | 504 | 31,707 | 5.0 | 1,553 | 39,012 | 6.0 | 2,051 | 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) | 23.6 | 0.1 | 24.0 | 0.5 | 24.1 | 0.4 | Yes |
| Drove alone | 22.3 | 0.1 | 22.6 | 0.5 | 23.1 | 0.5 | Yes |
| Carpooled | 27.4 | 0.4 | 27.6 | 2.4 | 27.5 | 2.5 | No |
| Transit | 37.9 | 1.0 | 38.6 | 5.3 | 39.6 | 5.9 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 22.4 | 0.9 | 22.7 | 3.2 | 21.2 | 2.8 | 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
