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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 | 4,301,261 | -- | 4,934,074 | 0 | 5,029,196 | 5,117,453 | 0 | -- |
| Persons in Households 2 | 4,198,094 | 1,401 | 4,822,444 | -- | 4,913,318 | 5,000,218 | -- | -- |
| Total Households 3 | 1,659,308 | 1,631 | 1,888,359 | 4,715 | 1,972,868 | 1,977,737 | 4,259 | Yes |
| Average Number of Persons per Household 4 | 2.53 | 0.01 | 2.55 | 0.01 | 2.49 | 2.53 | 0.01 | No |
| Average Household Income 5 | $61,435 | $186 | $74,947 | $495 | -- | $76,531 | $535 | Yes |
| Average Number of Vehicles per Household 6 | 1.86 | 0.00 | 1.90 | 0.01 | -- | 1.88 | 0.01 | Yes |
| Percent of Persons in Poverty 7 | 9.30 | 0.10 | 12.20 | 0.24 | -- | 13.50 | 0.28 | Yes |
| Percent Minority 8 | 17.30 | 0.10 | 15.70 | 0.16 | 18.70 | 16.00 | 0.16 | Yes |
| Percent of Persons 65 and Over 9 | 9.70 | 0.10 | 10.40 | 0.09 | 10.90 | 11.40 | 0.10 | Yes |
| Percent of Persons Foreign Born 10 | 8.60 | 0.10 | 9.80 | 0.16 | -- | 9.70 | 0.14 | Yes |
| Total Workers at Place of Residence11 | 2,232,638 | 4,574 | 2,566,365 | 9,321 | -- | 2,530,287 | 9,096 | 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 | 2,191,625 | 100.0 | 4,576 | 2,476,433 | 100.0 | 7,299 | 2,481,689 | 100.0 | 9,083 | Yes |
| Drove alone | 1,646,455 | 75.1 | 4,450 | 1,835,890 | 74.1 | 8,441 | 1,863,383 | 75.1 | 9,424 | Yes |
| 2-person Carpool | 210,760 | 9.6 | 1,976 | 206,258 | 8.3 | 5,627 | 188,825 | 7.6 | 4,789 | Yes |
| 3-or-more-person Carpool | 57,400 | 2.6 | 1,050 | 56,481 | 2.3 | 3,013 | 55,513 | 2.2 | 2,504 | No |
| Transit | 68,260 | 3.1 | 1,144 | 84,064 | 3.4 | 3,658 | 77,384 | 3.1 | 3,028 | Yes |
| Bike | 16,905 | 0.8 | 573 | 31,730 | 1.3 | 2,518 | 33,269 | 1.3 | 1,851 | Yes |
| Walked | 65,670 | 3.0 | 1,122 | 73,297 | 3.0 | 2,684 | 76,715 | 3.1 | 2,681 | Yes |
| Taxi, Motorcycle and Other means | 18,035 | 0.8 | 592 | 30,927 | 1.2 | 1,675 | 27,463 | 1.1 | 1,677 | Yes |
| Worked at Home | 108,130 | 4.9 | 1,433 | 157,786 | 6.4 | 3,659 | 159,137 | 6.4 | 3,836 | 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 | 2,189,045 | 100.0 | 4,576 | 2,465,243 | 100.0 | 7,571 | 2,467,002 | 100.0 | 9,106 | Yes |
| Drove alone | 1,645,885 | 75.2 | 4,449 | 1,830,074 | 74.2 | 8,643 | 1,856,288 | 75.2 | 9,808 | Yes |
| 2-person Carpool | 211,145 | 9.6 | 1,978 | 205,468 | 8.3 | 5,492 | 187,172 | 7.6 | 4,639 | Yes |
| 3-or-more-person Carpool | 57,595 | 2.6 | 1,052 | 56,155 | 2.3 | 2,954 | 55,062 | 2.2 | 2,366 | No |
| Transit | 68,250 | 3.1 | 1,144 | 83,887 | 3.4 | 3,622 | 76,741 | 3.1 | 3,024 | Yes |
| Bike | 16,870 | 0.8 | 572 | 31,690 | 1.3 | 2,513 | 33,286 | 1.3 | 1,831 | Yes |
| Walked | 65,290 | 3.0 | 1,119 | 72,333 | 2.9 | 2,704 | 75,651 | 3.1 | 2,666 | Yes |
| Taxi, Motorcycle and Other means | 15,875 | 0.7 | 555 | 27,850 | 1.1 | 1,654 | 23,665 | 1.0 | 1,508 | Yes |
| Worked at Home | 108,130 | 4.9 | 1,433 | 157,786 | 6.4 | 3,659 | 159,137 | 6.5 | 3,836 | 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) | 24.3 | 0.1 | 24.5 | 0.2 | 24.4 | 0.2 | No |
| Drove alone | 23.2 | 0.1 | 23.4 | 0.2 | 23.4 | 0.2 | No |
| Carpooled | 28.0 | 0.2 | 28.1 | 1.2 | 28.0 | 1.0 | No |
| Transit | 42.0 | 0.5 | 44.1 | 2.8 | 44.2 | 2.6 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 20.1 | 0.4 | 19.0 | 1.0 | 19.2 | 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
