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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 | 597,635 | -- | 623,637 | -- | 625,249 | 626,494 | -- | -- |
| Persons in Households 2 | 588,663 | 380 | 608,469 | -- | 617,016 | 617,195 | -- | -- |
| Total Households 3 | 218,773 | 327 | 226,425 | 1,897 | 234,849 | 230,384 | 1,372 | Yes |
| Average Number of Persons per Household 4 | 2.69 | 0.01 | 2.69 | 0.02 | 2.63 | 2.68 | 0.02 | No |
| Average Household Income 5 | $73,985 | $522 | $94,267 | $1,812 | -- | $96,199 | $1,672 | Yes |
| Average Number of Vehicles per Household 6 | 1.88 | 0.01 | 1.94 | 0.02 | -- | 1.93 | 0.02 | Yes |
| Percent of Persons in Poverty 7 | 4.50 | 0.10 | 4.70 | 0.48 | -- | 5.80 | 0.51 | Yes |
| Percent Minority 8 | 7.50 | 0.10 | 9.00 | 0.22 | 10.80 | 10.40 | 0.26 | Yes |
| Percent of Persons 65 and Over 9 | 12.40 | 0.20 | 14.10 | 0.32 | 14.60 | 15.10 | 0.31 | Yes |
| Percent of Persons Foreign Born 10 | 5.90 | 0.10 | 7.90 | 0.38 | -- | 8.20 | 0.39 | Yes |
| Total Workers at Place of Residence11 | 308,982 | 1,563 | 325,272 | 3,107 | -- | 318,560 | 2,710 | 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 | 303,585 | 100.0 | 1,564 | 314,563 | 100.0 | 3,668 | 312,041 | 100.0 | 2,868 | Yes |
| Drove alone | 251,995 | 83.0 | 1,545 | 259,540 | 82.5 | 3,485 | 256,622 | 82.2 | 2,976 | Yes |
| 2-person Carpool | 21,900 | 7.2 | 588 | 20,270 | 6.4 | 1,472 | 19,811 | 6.3 | 1,386 | Yes |
| 3-or-more-person Carpool | 3,375 | 1.1 | 234 | 4,680 | 1.5 | 1,370 | 4,047 | 1.3 | 613 | Yes |
| Transit | 8,360 | 2.8 | 367 | 9,203 | 2.9 | 908 | 9,568 | 3.1 | 816 | Yes |
| Bike | 555 | 0.2 | 95 | 657 | 0.2 | 226 | 449 | 0.1 | 168 | No |
| Walked | 5,080 | 1.7 | 287 | 4,937 | 1.6 | 711 | 5,471 | 1.8 | 642 | No |
| Taxi, Motorcycle and Other means | 1,525 | 0.5 | 158 | 1,934 | 0.6 | 442 | 1,792 | 0.6 | 367 | No |
| Worked at Home | 10,790 | 3.6 | 416 | 13,342 | 4.2 | 951 | 14,281 | 4.6 | 1,031 | 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 | 241,605 | 100.0 | 1,535 | 262,345 | 100.0 | 5,228 | 254,133 | 100.0 | 4,194 | Yes |
| Drove alone | 197,255 | 81.6 | 1,471 | 213,126 | 81.2 | 4,366 | 206,646 | 81.3 | 3,696 | Yes |
| 2-person Carpool | 19,490 | 8.1 | 556 | 19,565 | 7.5 | 1,324 | 18,760 | 7.4 | 1,536 | No |
| 3-or-more-person Carpool | 4,365 | 1.8 | 266 | 5,781 | 2.2 | 1,872 | 4,505 | 1.8 | 688 | No |
| Transit | 2,760 | 1.1 | 212 | 3,330 | 1.3 | 696 | 2,799 | 1.1 | 508 | No |
| Bike | 560 | 0.2 | 96 | 676 | 0.3 | 223 | 447 | 0.2 | 173 | No |
| Walked | 5,070 | 2.1 | 287 | 4,864 | 1.9 | 738 | 5,168 | 2.0 | 651 | No |
| Taxi, Motorcycle and Other means | 1,310 | 0.5 | 146 | 1,661 | 0.6 | 357 | 1,527 | 0.6 | 360 | No |
| Worked at Home | 10,790 | 4.5 | 416 | 13,342 | 5.1 | 951 | 14,281 | 5.6 | 1,031 | 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) | 28.6 | 0.2 | 28.0 | 0.6 | 28.4 | 0.6 | No |
| Drove alone | 27.5 | 0.2 | 26.7 | 0.6 | 27.4 | 0.6 | No |
| Carpooled | 28.1 | 0.7 | 28.9 | 3.8 | 26.7 | 2.7 | No |
| Transit | 72.8 | 1.7 | 69.9 | 10.4 | 66.4 | 8.2 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 17.8 | 1.3 | 18.9 | 4.6 | 18.5 | 3.8 | 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
