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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 | 689,807 | -- | 741,708 | -- | 722,023 | 734,699 | -- | -- |
| Persons in Households 2 | 653,179 | 891 | 699,742 | -- | 674,795 | 688,260 | -- | -- |
| Total Households 3 | 278,776 | 547 | 275,405 | 2,175 | 292,767 | 288,162 | 1,661 | Yes |
| Average Number of Persons per Household 4 | 2.34 | 0.01 | 2.54 | 0.01 | 2.30 | 2.39 | 0.01 | Yes |
| Average Household Income 5 | $54,925 | $500 | $76,128 | $1,835 | -- | $76,523 | $1,453 | Yes |
| Average Number of Vehicles per Household 6 | 0.96 | 0.01 | 0.97 | 0.02 | -- | 0.94 | 0.02 | No |
| Percent of Persons in Poverty 7 | 19.00 | 0.20 | 17.90 | 0.74 | -- | 22.00 | 0.79 | Yes |
| Percent Minority 8 | 42.30 | 0.30 | 41.10 | 0.50 | 44.00 | 44.10 | 0.45 | Yes |
| Percent of Persons 65 and Over 9 | 11.10 | 0.20 | 10.70 | 0.28 | 10.50 | 10.60 | 0.26 | Yes |
| Percent of Persons Foreign Born 10 | 25.50 | 0.30 | 27.30 | 0.66 | -- | 27.50 | 0.56 | Yes |
| Total Workers at Place of Residence11 | 330,091 | 1,984 | 395,172 | 4,265 | -- | 373,855 | 3,241 | 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 | 320,980 | 100.0 | 1,981 | 381,908 | 100.0 | 4,448 | 366,028 | 100.0 | 3,272 | Yes |
| Drove alone | 140,235 | 43.7 | 1,598 | 161,700 | 42.3 | 4,806 | 147,500 | 40.3 | 3,424 | Yes |
| 2-person Carpool | 24,510 | 7.6 | 735 | 21,493 | 5.6 | 1,910 | 22,053 | 6.0 | 1,707 | Yes |
| 3-or-more-person Carpool | 6,900 | 2.1 | 395 | 8,363 | 2.2 | 1,183 | 6,278 | 1.7 | 854 | No |
| Transit | 97,965 | 30.5 | 1,386 | 121,545 | 31.8 | 3,979 | 117,891 | 32.2 | 3,473 | Yes |
| Bike | 2,840 | 0.9 | 254 | 5,223 | 1.4 | 777 | 5,682 | 1.6 | 843 | Yes |
| Walked | 37,865 | 11.8 | 905 | 47,967 | 12.6 | 2,073 | 50,607 | 13.8 | 2,439 | Yes |
| Taxi, Motorcycle and Other means | 3,350 | 1.0 | 276 | 4,627 | 1.2 | 779 | 2,933 | 0.8 | 581 | No |
| Worked at Home | 7,315 | 2.3 | 407 | 10,990 | 2.9 | 1,052 | 13,084 | 3.6 | 1,141 | 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 | 545,570 | 100.0 | 1,615 | 601,965 | 100.0 | 7,558 | 601,711 | 100.0 | 6,153 | Yes |
| Drove alone | 253,560 | 46.5 | 1,915 | 266,777 | 44.3 | 6,209 | 265,263 | 44.1 | 4,814 | Yes |
| 2-person Carpool | 38,860 | 7.1 | 916 | 34,188 | 5.7 | 2,088 | 35,669 | 5.9 | 2,122 | Yes |
| 3-or-more-person Carpool | 9,320 | 1.7 | 459 | 10,038 | 1.7 | 1,153 | 8,250 | 1.4 | 974 | No |
| Transit | 189,745 | 34.8 | 1,773 | 216,511 | 36.0 | 4,531 | 214,941 | 35.7 | 4,478 | Yes |
| Bike | 3,605 | 0.7 | 286 | 7,254 | 1.2 | 899 | 7,862 | 1.3 | 780 | Yes |
| Walked | 38,375 | 7.0 | 910 | 48,890 | 8.1 | 2,188 | 51,206 | 8.5 | 2,320 | Yes |
| Taxi, Motorcycle and Other means | 4,790 | 0.9 | 330 | 7,317 | 1.2 | 934 | 5,436 | 0.9 | 794 | No |
| Worked at Home | 7,315 | 1.3 | 407 | 10,990 | 1.8 | 1,052 | 13,084 | 2.2 | 1,141 | 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) | 29.0 | 0.2 | 28.8 | 0.6 | 29.0 | 0.6 | No |
| Drove alone | 26.9 | 0.3 | 26.1 | 1.1 | 26.5 | 0.9 | No |
| Carpooled | 28.4 | 0.6 | 28.9 | 3.4 | 27.7 | 2.8 | No |
| Transit | 38.0 | 0.4 | 38.3 | 1.8 | 39.0 | 1.9 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 16.2 | 0.4 | 16.4 | 1.2 | 16.0 | 1.1 | 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