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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 | 1,293,953 | -- | 1,524,182 | 0 | 1,567,582 | 1,583,422 | 0 | -- |
| Persons in Households 2 | 1,262,397 | 710 | 1,489,780 | -- | 1,538,631 | 1,554,165 | -- | -- |
| Total Households 3 | 470,133 | 917 | 560,900 | 2,422 | 579,408 | 580,280 | 2,676 | Yes |
| Average Number of Persons per Household 4 | 2.69 | 0.01 | 2.66 | 0.01 | 2.66 | 2.68 | 0.01 | No |
| Average Household Income 5 | $48,115 | $256 | $59,561 | $706 | -- | $58,524 | $718 | Yes |
| Average Number of Vehicles per Household 6 | 2.00 | 0.01 | 2.09 | 0.02 | -- | 2.03 | 0.02 | Yes |
| Percent of Persons in Poverty 7 | 11.80 | 0.10 | 13.30 | 0.47 | -- | 16.10 | 0.47 | Yes |
| Percent Minority 8 | 9.10 | 0.10 | 7.70 | 0.19 | 10.90 | 7.90 | 0.20 | Yes |
| Percent of Persons 65 and Over 9 | 11.30 | 0.10 | 11.90 | 0.17 | 12.40 | 12.80 | 0.20 | Yes |
| Percent of Persons Foreign Born 10 | 5.00 | 0.10 | 6.00 | 0.24 | -- | 5.90 | 0.20 | Yes |
| Total Workers at Place of Residence11 | 604,304 | 2,296 | 722,128 | 4,884 | -- | 694,860 | 4,526 | 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 | 594,655 | 100.0 | 2,294 | 693,648 | 100.0 | 4,346 | 680,091 | 100.0 | 4,673 | Yes |
| Drove alone | 457,985 | 77.0 | 2,201 | 525,362 | 75.7 | 4,948 | 527,353 | 77.5 | 4,728 | Yes |
| 2-person Carpool | 57,675 | 9.7 | 950 | 62,748 | 9.0 | 2,616 | 50,875 | 7.5 | 2,334 | Yes |
| 3-or-more-person Carpool | 15,600 | 2.6 | 502 | 19,264 | 2.8 | 1,235 | 16,997 | 2.5 | 1,461 | No |
| Transit | 6,085 | 1.0 | 315 | 6,634 | 1.0 | 786 | 5,283 | 0.8 | 695 | Yes |
| Bike | 3,940 | 0.7 | 254 | 9,033 | 1.3 | 1,120 | 7,543 | 1.1 | 985 | Yes |
| Walked | 20,745 | 3.5 | 578 | 21,709 | 3.1 | 1,451 | 21,526 | 3.2 | 1,397 | No |
| Taxi, Motorcycle and Other means | 4,610 | 0.8 | 274 | 12,331 | 1.8 | 1,214 | 9,499 | 1.4 | 980 | Yes |
| Worked at Home | 28,015 | 4.7 | 670 | 36,567 | 5.3 | 1,711 | 41,015 | 6.0 | 2,046 | 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 | 579,545 | 100.0 | 2,289 | 678,415 | 100.0 | 4,741 | 659,241 | 100.0 | 4,426 | Yes |
| Drove alone | 447,275 | 77.2 | 2,189 | 513,940 | 75.8 | 5,276 | 511,532 | 77.6 | 4,531 | Yes |
| 2-person Carpool | 55,385 | 9.6 | 932 | 60,978 | 9.0 | 2,578 | 48,964 | 7.4 | 2,315 | Yes |
| 3-or-more-person Carpool | 14,615 | 2.5 | 486 | 19,440 | 2.9 | 1,330 | 15,777 | 2.4 | 1,340 | No |
| Transit | 5,690 | 1.0 | 305 | 5,936 | 0.9 | 720 | 5,200 | 0.8 | 672 | No |
| Bike | 3,915 | 0.7 | 253 | 8,993 | 1.3 | 1,132 | 7,406 | 1.1 | 997 | Yes |
| Walked | 20,520 | 3.5 | 575 | 21,492 | 3.2 | 1,449 | 21,333 | 3.2 | 1,400 | No |
| Taxi, Motorcycle and Other means | 4,135 | 0.7 | 260 | 11,069 | 1.6 | 1,153 | 8,014 | 1.2 | 825 | Yes |
| Worked at Home | 28,015 | 4.8 | 670 | 36,567 | 5.4 | 1,711 | 41,015 | 6.2 | 2,046 | 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) | 20.0 | 0.1 | 20.1 | 0.3 | 20.1 | 0.3 | No |
| Drove alone | 18.9 | 0.1 | 19.0 | 0.3 | 19.2 | 0.4 | No |
| Carpooled | 25.8 | 0.4 | 26.7 | 1.6 | 27.0 | 1.9 | No |
| Transit | 59.4 | 2.1 | 52.6 | 8.6 | 56.8 | 10.8 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 14.8 | 0.6 | 16.8 | 1.7 | 15.8 | 1.6 | 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
