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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 | 882,567 | -- | 894,892 | -- | 916,829 | 926,739 | -- | -- |
| Persons in Households 2 | 864,502 | 636 | 872,812 | -- | 897,661 | 908,060 | -- | -- |
| Total Households 3 | 324,403 | 574 | 325,639 | 1,627 | 335,545 | 331,766 | 1,525 | Yes |
| Average Number of Persons per Household 4 | 2.66 | 0.01 | 2.68 | 0.01 | 2.68 | 2.74 | 0.01 | Yes |
| Average Household Income 5 | $103,255 | $710 | $131,210 | $2,584 | -- | $129,055 | $2,432 | Yes |
| Average Number of Vehicles per Household 6 | 1.77 | 0.01 | 1.82 | 0.02 | -- | 1.80 | 0.02 | Yes |
| Percent of Persons in Poverty 7 | 6.90 | 0.10 | 8.00 | 0.47 | -- | 9.20 | 0.52 | Yes |
| Percent Minority 8 | 20.80 | 0.20 | 21.80 | 0.46 | 25.20 | 25.00 | 0.39 | Yes |
| Percent of Persons 65 and Over 9 | 13.30 | 0.20 | 13.10 | 0.25 | 13.50 | 13.70 | 0.25 | Yes |
| Percent of Persons Foreign Born 10 | 16.90 | 0.20 | 20.00 | 0.48 | -- | 20.10 | 0.47 | Yes |
| Total Workers at Place of Residence11 | 426,790 | 2,245 | 445,779 | 3,722 | -- | 447,056 | 3,474 | 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 | 419,235 | 100.0 | 2,243 | 426,325 | 100.0 | 3,677 | 437,034 | 100.0 | 3,550 | Yes |
| Drove alone | 313,185 | 74.7 | 2,149 | 310,984 | 72.9 | 3,789 | 322,954 | 73.9 | 3,887 | Yes |
| 2-person Carpool | 31,110 | 7.4 | 828 | 24,641 | 5.8 | 1,800 | 26,985 | 6.2 | 1,784 | Yes |
| 3-or-more-person Carpool | 9,015 | 2.2 | 452 | 7,362 | 1.7 | 961 | 10,388 | 2.4 | 1,223 | Yes |
| Transit | 33,325 | 7.9 | 856 | 41,117 | 9.6 | 2,217 | 37,438 | 8.6 | 1,682 | Yes |
| Bike | 515 | 0.1 | 108 | 740 | 0.2 | 307 | 977 | 0.2 | 283 | Yes |
| Walked | 9,585 | 2.3 | 466 | 14,908 | 3.5 | 1,432 | 11,034 | 2.5 | 923 | Yes |
| Taxi, Motorcycle and Other means | 3,525 | 0.8 | 283 | 4,669 | 1.1 | 899 | 4,384 | 1.0 | 746 | Yes |
| Worked at Home | 18,965 | 4.5 | 651 | 21,904 | 5.1 | 1,560 | 22,874 | 5.2 | 1,275 | 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 | 443,950 | 100.0 | 2,246 | 457,616 | 100.0 | 4,924 | 458,302 | 100.0 | 4,769 | Yes |
| Drove alone | 351,180 | 79.1 | 2,199 | 355,847 | 77.8 | 4,558 | 356,988 | 77.9 | 4,127 | Yes |
| 2-person Carpool | 33,830 | 7.6 | 862 | 27,599 | 6.0 | 1,764 | 29,252 | 6.4 | 1,800 | Yes |
| 3-or-more-person Carpool | 9,865 | 2.2 | 472 | 8,637 | 1.9 | 1,057 | 10,857 | 2.4 | 1,271 | No |
| Transit | 16,565 | 3.7 | 610 | 23,514 | 5.1 | 1,663 | 21,709 | 4.7 | 1,584 | Yes |
| Bike | 575 | 0.1 | 115 | 744 | 0.2 | 310 | 941 | 0.2 | 288 | Yes |
| Walked | 9,675 | 2.2 | 468 | 14,493 | 3.2 | 1,362 | 10,572 | 2.3 | 929 | No |
| Taxi, Motorcycle and Other means | 3,300 | 0.7 | 274 | 4,878 | 1.1 | 946 | 5,109 | 1.1 | 910 | Yes |
| Worked at Home | 18,965 | 4.3 | 651 | 21,904 | 4.8 | 1,560 | 22,874 | 5.0 | 1,275 | 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 | 0.2 | 28.3 | 0.5 | 28.0 | 0.5 | No |
| Drove alone | 24.3 | 0.2 | 24.4 | 0.5 | 24.3 | 0.5 | No |
| Carpooled | 26.5 | 0.6 | 25.5 | 2.5 | 26.7 | 2.6 | No |
| Transit | 68.1 | 1.1 | 65.3 | 4.9 | 66.1 | 4.2 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 20.2 | 1.2 | 16.4 | 2.6 | 17.2 | 2.4 | Yes |
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
