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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 | 1,517,550 | -- | 1,539,226 | -- | 1,526,006 | 1,538,211 | -- | -- |
| Persons in Households 2 | 1,462,757 | 930 | 1,479,677 | -- | 1,468,623 | 1,488,002 | -- | -- |
| Total Households 3 | 590,283 | 1,023 | 569,612 | 3,430 | 599,736 | 576,889 | 3,388 | Yes |
| Average Number of Persons per Household 4 | 2.48 | 0.01 | 2.60 | 0.01 | 2.45 | 2.58 | 0.01 | Yes |
| Average Household Income 5 | $41,525 | $221 | $51,850 | $736 | -- | $52,296 | $817 | Yes |
| Average Number of Vehicles per Household 6 | 0.93 | 0.01 | 0.98 | 0.01 | -- | 0.95 | 0.01 | Yes |
| Percent of Persons in Poverty 7 | 22.90 | 0.10 | 24.00 | 0.62 | -- | 27.30 | 0.73 | Yes |
| Percent Minority 8 | 54.90 | 0.20 | 56.40 | 0.27 | 59.00 | 58.70 | 0.28 | Yes |
| Percent of Persons 65 and Over 9 | 14.10 | 0.10 | 12.60 | 0.22 | 12.10 | 12.10 | 0.19 | Yes |
| Percent of Persons Foreign Born 10 | 9.00 | 0.10 | 11.00 | 0.34 | -- | 12.00 | 0.32 | Yes |
| Total Workers at Place of Residence11 | 585,353 | 2,426 | 654,524 | 5,683 | -- | 604,515 | 6,281 | 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 | 569,760 | 100.0 | 2,414 | 620,271 | 100.0 | 5,278 | 590,197 | 100.0 | 6,313 | Yes |
| Drove alone | 280,315 | 49.2 | 1,934 | 318,103 | 51.3 | 6,139 | 294,698 | 49.9 | 5,410 | Yes |
| 2-person Carpool | 55,900 | 9.8 | 939 | 43,174 | 7.0 | 2,375 | 41,889 | 7.1 | 2,340 | Yes |
| 3-or-more-person Carpool | 17,260 | 3.0 | 529 | 13,060 | 2.1 | 1,316 | 11,476 | 1.9 | 1,305 | Yes |
| Transit | 143,560 | 25.2 | 1,459 | 159,973 | 25.8 | 4,162 | 154,909 | 26.2 | 4,111 | Yes |
| Bike | 4,910 | 0.9 | 283 | 10,222 | 1.6 | 1,187 | 11,800 | 2.0 | 1,445 | Yes |
| Walked | 51,565 | 9.1 | 903 | 52,175 | 8.4 | 2,451 | 50,943 | 8.6 | 2,784 | No |
| Taxi, Motorcycle and Other means | 5,505 | 1.0 | 300 | 5,940 | 1.0 | 858 | 6,661 | 1.1 | 826 | Yes |
| Worked at Home | 10,750 | 1.9 | 418 | 17,624 | 2.8 | 1,818 | 17,821 | 3.0 | 1,366 | 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 | 660,050 | 100.0 | 2,471 | 721,836 | 100.0 | 6,547 | 706,553 | 100.0 | 6,950 | Yes |
| Drove alone | 338,140 | 51.2 | 2,074 | 374,911 | 51.9 | 6,228 | 361,938 | 51.2 | 5,933 | Yes |
| 2-person Carpool | 59,545 | 9.0 | 968 | 50,053 | 6.9 | 2,191 | 47,563 | 6.7 | 2,429 | Yes |
| 3-or-more-person Carpool | 15,345 | 2.3 | 499 | 12,248 | 1.7 | 1,206 | 11,655 | 1.6 | 1,254 | Yes |
| Transit | 174,940 | 26.5 | 1,592 | 196,186 | 27.2 | 4,779 | 196,365 | 27.8 | 4,661 | Yes |
| Bike | 4,845 | 0.7 | 281 | 10,321 | 1.4 | 1,131 | 11,756 | 1.7 | 1,481 | Yes |
| Walked | 50,725 | 7.7 | 896 | 52,327 | 7.2 | 2,467 | 51,080 | 7.2 | 2,846 | No |
| Taxi, Motorcycle and Other means | 5,755 | 0.9 | 306 | 8,166 | 1.1 | 889 | 8,375 | 1.2 | 799 | Yes |
| Worked at Home | 10,750 | 1.6 | 418 | 17,624 | 2.4 | 1,818 | 17,821 | 2.5 | 1,366 | 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) | 32.0 | 0.2 | 31.2 | 0.5 | 31.9 | 0.6 | No |
| Drove alone | 28.4 | 0.2 | 27.9 | 0.8 | 29.2 | 0.8 | No |
| Carpooled | 30.6 | 0.4 | 30.7 | 2.4 | 30.0 | 2.4 | No |
| Transit | 46.3 | 0.4 | 44.1 | 1.7 | 44.2 | 1.9 | Yes |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 16.8 | 0.3 | 16.9 | 1.1 | 17.7 | 1.3 | 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
