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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 | 2,218,899 | -- | 2,415,175 | -- | 2,368,139 | 2,411,891 | -- | -- |
| Persons in Households 2 | 2,185,365 | 735 | 2,378,752 | -- | 2,337,741 | 2,380,714 | -- | -- |
| Total Households 3 | 808,268 | 843 | 841,347 | 3,712 | 855,960 | 854,403 | 3,109 | Yes |
| Average Number of Persons per Household 4 | 2.70 | 0.01 | 2.83 | 0.01 | 2.73 | 2.79 | 0.01 | Yes |
| Average Household Income 5 | $61,320 | $260 | $69,713 | $844 | -- | $70,546 | $896 | Yes |
| Average Number of Vehicles per Household 6 | 1.62 | 0.01 | 1.66 | 0.01 | -- | 1.68 | 0.01 | Yes |
| Percent of Persons in Poverty 7 | 13.40 | 0.10 | 17.80 | 0.48 | -- | 19.50 | 0.49 | Yes |
| Percent Minority 8 | 41.60 | 0.10 | 41.40 | 0.42 | 46.50 | 42.30 | 0.38 | Yes |
| Percent of Persons 65 and Over 9 | 8.00 | 0.10 | 8.50 | 0.13 | 8.80 | 9.00 | 0.13 | Yes |
| Percent of Persons Foreign Born 10 | 20.90 | 0.10 | 23.30 | 0.32 | -- | 23.20 | 0.33 | Yes |
| Total Workers at Place of Residence11 | 1,061,110 | 3,011 | 1,187,029 | 6,614 | -- | 1,130,563 | 5,811 | 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 | 1,038,780 | 100.0 | 3,007 | 1,133,876 | 100.0 | 6,654 | 1,112,086 | 100.0 | 6,096 | Yes |
| Drove alone | 777,370 | 74.8 | 2,875 | 890,296 | 78.5 | 7,140 | 880,278 | 79.2 | 6,037 | Yes |
| 2-person Carpool | 119,170 | 11.5 | 1,359 | 102,926 | 9.1 | 3,668 | 92,391 | 8.3 | 3,606 | Yes |
| 3-or-more-person Carpool | 48,100 | 4.6 | 878 | 37,013 | 3.3 | 3,013 | 30,402 | 2.7 | 2,233 | Yes |
| Transit | 36,020 | 3.5 | 762 | 34,044 | 3.0 | 2,121 | 30,808 | 2.8 | 1,804 | Yes |
| Bike | 1,350 | 0.1 | 149 | 1,492 | 0.1 | 466 | 1,832 | 0.2 | 432 | Yes |
| Walked | 17,390 | 1.7 | 531 | 17,428 | 1.5 | 1,497 | 15,767 | 1.4 | 1,423 | Yes |
| Taxi, Motorcycle and Other means | 11,000 | 1.1 | 423 | 13,304 | 1.2 | 1,433 | 17,221 | 1.5 | 2,113 | Yes |
| Worked at Home | 28,380 | 2.7 | 677 | 37,373 | 3.3 | 1,853 | 43,387 | 3.9 | 2,082 | 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 | 1,357,260 | 100.0 | 2,937 | 1,472,980 | 100.0 | 9,651 | 1,433,919 | 100.0 | 9,070 | Yes |
| Drove alone | 1,066,845 | 78.6 | 3,011 | 1,196,866 | 81.3 | 9,619 | 1,167,212 | 81.4 | 8,281 | Yes |
| 2-person Carpool | 142,990 | 10.5 | 1,480 | 125,449 | 8.5 | 3,905 | 115,965 | 8.1 | 4,626 | Yes |
| 3-or-more-person Carpool | 47,915 | 3.5 | 876 | 36,067 | 2.4 | 2,638 | 32,292 | 2.3 | 2,159 | Yes |
| Transit | 38,250 | 2.8 | 784 | 40,269 | 2.7 | 2,274 | 36,180 | 2.5 | 2,055 | No |
| Bike | 1,430 | 0.1 | 153 | 1,829 | 0.1 | 514 | 1,776 | 0.1 | 434 | No |
| Walked | 17,420 | 1.3 | 532 | 16,830 | 1.1 | 1,429 | 16,251 | 1.1 | 1,490 | No |
| Taxi, Motorcycle and Other means | 14,030 | 1.0 | 478 | 18,297 | 1.2 | 1,788 | 20,856 | 1.5 | 2,003 | Yes |
| Worked at Home | 28,380 | 2.1 | 677 | 37,373 | 2.5 | 1,853 | 43,387 | 3.0 | 2,082 | 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) | 26.9 | 0.1 | 25.8 | 0.3 | 25.9 | 0.3 | Yes |
| Drove alone | 25.5 | 0.1 | 24.6 | 0.3 | 24.9 | 0.3 | Yes |
| Carpooled | 29.2 | 0.2 | 29.6 | 1.6 | 28.2 | 1.5 | No |
| Transit | 49.9 | 0.8 | 46.6 | 4.4 | 51.1 | 4.5 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 22.7 | 0.7 | 20.8 | 2.7 | 21.9 | 3.0 | 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
