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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 | 491,675 | -- | 762,685 | -- | 782,341 | 811,948 | -- | -- |
| Persons in Households 2 | 488,332 | 233 | 756,751 | -- | 778,427 | 807,871 | -- | -- |
| Total Households 3 | 182,245 | 440 | 265,511 | 1,714 | 283,759 | 287,166 | 1,813 | Yes |
| Average Number of Persons per Household 4 | 2.68 | 0.01 | 2.85 | 0.02 | 2.74 | 2.81 | 0.02 | Yes |
| Average Household Income 5 | $89,505 | $659 | $102,144 | $1,736 | -- | $102,893 | $1,819 | Yes |
| Average Number of Vehicles per Household 6 | 1.88 | 0.01 | 1.89 | 0.02 | -- | 1.91 | 0.02 | Yes |
| Percent of Persons in Poverty 7 | 4.90 | 0.10 | 6.80 | 0.48 | -- | 8.20 | 0.75 | Yes |
| Percent Minority 8 | 18.50 | 0.20 | 22.50 | 0.34 | 28.40 | 26.40 | 0.39 | Yes |
| Percent of Persons 65 and Over 9 | 5.20 | 0.10 | 7.60 | 0.25 | 7.70 | 8.20 | 0.24 | Yes |
| Percent of Persons Foreign Born 10 | 13.30 | 0.20 | 17.30 | 0.46 | -- | 17.70 | 0.51 | Yes |
| Total Workers at Place of Residence11 | 267,163 | 1,413 | 412,662 | 3,392 | -- | 414,446 | 3,349 | 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 | 263,600 | 100.0 | 1,415 | 392,969 | 100.0 | 3,066 | 407,952 | 100.0 | 3,423 | Yes |
| Drove alone | 220,105 | 83.5 | 1,411 | 321,221 | 81.7 | 3,488 | 333,018 | 81.6 | 4,117 | Yes |
| 2-person Carpool | 19,235 | 7.3 | 550 | 22,864 | 5.8 | 1,841 | 23,245 | 5.7 | 1,683 | Yes |
| 3-or-more-person Carpool | 5,915 | 2.2 | 309 | 5,916 | 1.5 | 821 | 6,060 | 1.5 | 1,089 | No |
| Transit | 2,075 | 0.8 | 184 | 4,887 | 1.2 | 661 | 4,393 | 1.1 | 655 | Yes |
| Bike | 230 | 0.1 | 61 | 550 | 0.1 | 215 | 297 | 0.1 | 153 | No |
| Walked | 2,715 | 1.0 | 210 | 3,020 | 0.8 | 550 | 3,333 | 0.8 | 694 | No |
| Taxi, Motorcycle and Other means | 1,850 | 0.7 | 174 | 8,031 | 2.0 | 1,120 | 5,911 | 1.4 | 1,026 | Yes |
| Worked at Home | 11,475 | 4.4 | 428 | 26,480 | 6.7 | 1,568 | 31,695 | 7.8 | 2,034 | 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 | 208,430 | 100.0 | 1,402 | 337,528 | 100.0 | 4,913 | 360,781 | 100.0 | 5,892 | Yes |
| Drove alone | 164,760 | 79.0 | 1,339 | 269,317 | 79.8 | 4,625 | 289,930 | 80.4 | 5,268 | Yes |
| 2-person Carpool | 18,340 | 8.8 | 538 | 22,402 | 6.6 | 1,800 | 23,492 | 6.5 | 1,921 | Yes |
| 3-or-more-person Carpool | 8,260 | 4.0 | 365 | 7,961 | 2.4 | 1,167 | 6,526 | 1.8 | 1,156 | Yes |
| Transit | 875 | 0.4 | 120 | 2,050 | 0.6 | 546 | 1,859 | 0.5 | 435 | Yes |
| Bike | 265 | 0.1 | 66 | 281 | 0.1 | 137 | 341 | 0.1 | 167 | No |
| Walked | 2,800 | 1.3 | 213 | 3,341 | 1.0 | 554 | 2,822 | 0.8 | 601 | No |
| Taxi, Motorcycle and Other means | 1,665 | 0.8 | 165 | 5,696 | 1.7 | 1,024 | 4,116 | 1.1 | 817 | Yes |
| Worked at Home | 11,475 | 5.5 | 428 | 26,480 | 7.8 | 1,568 | 31,695 | 8.8 | 2,034 | 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) | 28.4 | 0.2 | 27.5 | 0.4 | 27.5 | 0.6 | Yes |
| Drove alone | 28.1 | 0.2 | 27.2 | 0.4 | 27.1 | 0.6 | Yes |
| Carpooled | 28.7 | 0.6 | 29.7 | 3.2 | 27.7 | 2.9 | No |
| Transit | 54.9 | 2.4 | 49.0 | 9.7 | 54.8 | 12.0 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 29.9 | 2.2 | 23.9 | 5.1 | 28.1 | 7.7 | 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
