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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 | 2,813,833 | -- | 3,016,241 | -- | 3,095,313 | 3,139,726 | -- | -- |
| Persons in Households 2 | 2,716,926 | 1,575 | 2,913,727 | -- | 2,993,347 | 3,049,847 | -- | -- |
| Total Households 3 | 995,492 | 1,065 | 1,044,218 | 3,822 | 1,086,865 | 1,067,043 | 3,446 | Yes |
| Average Number of Persons per Household 4 | 2.73 | 0.01 | 2.79 | 0.01 | 2.75 | 2.86 | 0.01 | Yes |
| Average Household Income 5 | $63,205 | $294 | $83,524 | $761 | -- | $81,993 | $779 | Yes |
| Average Number of Vehicles per Household 6 | 1.74 | 0.01 | 1.87 | 0.01 | -- | 1.86 | 0.01 | Yes |
| Percent of Persons in Poverty 7 | 12.40 | 0.10 | 11.90 | 0.35 | -- | 14.90 | 0.36 | Yes |
| Percent Minority 8 | 33.60 | 0.10 | 27.60 | 0.31 | 36.00 | 28.90 | 0.27 | Yes |
| Percent of Persons 65 and Over 9 | 11.10 | 0.10 | 11.30 | 0.14 | 11.40 | 11.70 | 0.14 | Yes |
| Percent of Persons Foreign Born 10 | 21.50 | 0.10 | 22.60 | 0.24 | -- | 23.40 | 0.26 | Yes |
| Total Workers at Place of Residence11 | 1,328,893 | 4,313 | 1,473,694 | 8,015 | -- | 1,455,394 | 7,369 | 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 | 1,299,505 | 100.0 | 4,307 | 1,416,233 | 100.0 | 7,423 | 1,420,503 | 100.0 | 6,515 | Yes |
| Drove alone | 960,065 | 73.9 | 4,096 | 1,064,541 | 75.2 | 8,649 | 1,083,870 | 76.3 | 7,576 | Yes |
| 2-person Carpool | 133,285 | 10.3 | 1,835 | 120,779 | 8.5 | 3,826 | 111,606 | 7.9 | 3,390 | Yes |
| 3-or-more-person Carpool | 36,055 | 2.8 | 972 | 29,401 | 2.1 | 2,055 | 30,127 | 2.1 | 2,264 | Yes |
| Transit | 43,020 | 3.3 | 1,060 | 48,232 | 3.4 | 2,445 | 42,934 | 3.0 | 2,210 | No |
| Bike | 7,460 | 0.6 | 444 | 8,838 | 0.6 | 1,159 | 10,755 | 0.8 | 1,109 | Yes |
| Walked | 44,105 | 3.4 | 1,073 | 41,465 | 2.9 | 2,496 | 38,116 | 2.7 | 2,288 | Yes |
| Taxi, Motorcycle and Other means | 18,325 | 1.4 | 695 | 16,671 | 1.2 | 1,478 | 15,233 | 1.1 | 1,255 | Yes |
| Worked at Home | 57,180 | 4.4 | 1,219 | 86,306 | 6.1 | 3,153 | 87,862 | 6.2 | 3,145 | 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 | 1,293,940 | 100.0 | 4,305 | 1,438,559 | 100.0 | 7,890 | 1,451,871 | 100.0 | 7,502 | Yes |
| Drove alone | 960,130 | 74.2 | 4,096 | 1,081,759 | 75.2 | 9,039 | 1,110,176 | 76.5 | 8,194 | Yes |
| 2-person Carpool | 133,195 | 10.3 | 1,834 | 124,407 | 8.6 | 3,715 | 114,780 | 7.9 | 3,468 | Yes |
| 3-or-more-person Carpool | 35,400 | 2.7 | 963 | 32,210 | 2.2 | 1,999 | 32,267 | 2.2 | 2,376 | Yes |
| Transit | 42,090 | 3.3 | 1,049 | 47,178 | 3.3 | 2,439 | 42,344 | 2.9 | 2,229 | No |
| Bike | 7,465 | 0.6 | 444 | 8,731 | 0.6 | 1,136 | 10,691 | 0.7 | 1,093 | Yes |
| Walked | 42,570 | 3.3 | 1,054 | 41,736 | 2.9 | 2,558 | 37,933 | 2.6 | 2,313 | Yes |
| Taxi, Motorcycle and Other means | 15,905 | 1.2 | 648 | 16,232 | 1.1 | 1,279 | 15,818 | 1.1 | 1,263 | No |
| Worked at Home | 57,180 | 4.4 | 1,219 | 86,306 | 6.0 | 3,153 | 87,862 | 6.1 | 3,145 | 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) | 25.3 | 0.1 | 24.6 | 0.3 | 24.3 | 0.2 | Yes |
| Drove alone | 24.4 | 0.1 | 23.5 | 0.3 | 23.4 | 0.3 | Yes |
| Carpooled | 26.8 | 0.3 | 27.0 | 1.3 | 25.7 | 1.1 | No |
| Transit | 51.0 | 1.0 | 50.5 | 3.9 | 50.2 | 4.0 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 19.0 | 0.5 | 17.2 | 1.7 | 18.4 | 1.5 | 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
