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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 | 12,281,054 | -- | 12,564,556 | 0 | 12,702,379 | 12,739,595 | 0 | -- |
| Persons in Households 2 | 11,847,607 | 2,616 | 12,094,595 | -- | 12,276,266 | 12,312,241 | -- | -- |
| Total Households 3 | 4,779,186 | 2,648 | 4,903,351 | 8,114 | 5,018,904 | 4,949,494 | 7,345 | Yes |
| Average Number of Persons per Household 4 | 2.48 | 0.00 | 2.47 | 0.01 | 2.45 | 2.49 | 0.01 | Yes |
| Average Household Income 5 | $52,680 | $92 | $67,033 | $309 | -- | $69,286 | $278 | Yes |
| Average Number of Vehicles per Household 6 | 1.60 | 0.00 | 1.68 | 0.00 | -- | 1.66 | 0.00 | -- |
| Percent of Persons in Poverty 7 | 11.00 | 0.00 | 12.10 | 0.14 | -- | 13.60 | 0.14 | Yes |
| Percent Minority 8 | 14.60 | 0.00 | 16.40 | 0.06 | 18.10 | 17.80 | 0.06 | Yes |
| Percent of Persons 65 and Over 9 | 15.60 | 0.00 | 15.30 | 0.07 | 15.40 | 15.70 | 0.06 | Yes |
| Percent of Persons Foreign Born 10 | 4.10 | 0.00 | 5.40 | 0.07 | -- | 5.90 | 0.07 | Yes |
| Total Workers at Place of Residence11 | 5,661,126 | 7,068 | 6,057,523 | 12,938 | -- | 5,887,796 | 12,394 | 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 | 5,556,310 | 100.0 | 7,058 | 5,828,988 | 100.0 | 11,525 | 5,760,128 | 100.0 | 12,904 | Yes |
| Drove alone | 4,247,835 | 76.5 | 6,745 | 4,452,832 | 76.4 | 13,153 | 4,416,760 | 76.7 | 13,793 | Yes |
| 2-person Carpool | 470,175 | 8.5 | 2,721 | 436,630 | 7.5 | 6,271 | 410,266 | 7.1 | 6,347 | Yes |
| 3-or-more-person Carpool | 107,195 | 1.9 | 1,319 | 109,708 | 1.9 | 3,375 | 106,209 | 1.8 | 3,472 | No |
| Transit | 284,830 | 5.1 | 2,134 | 313,975 | 5.4 | 6,330 | 309,992 | 5.4 | 5,440 | Yes |
| Bike | 14,000 | 0.3 | 478 | 24,720 | 0.4 | 1,426 | 25,128 | 0.4 | 1,647 | Yes |
| Walked | 229,725 | 4.1 | 1,921 | 233,820 | 4.0 | 4,886 | 221,502 | 3.8 | 4,774 | Yes |
| Taxi, Motorcycle and Other means | 37,910 | 0.7 | 787 | 49,550 | 0.9 | 1,956 | 50,213 | 0.9 | 2,004 | Yes |
| Worked at Home | 164,645 | 3.0 | 1,631 | 207,753 | 3.6 | 4,551 | 220,058 | 3.8 | 3,928 | 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 | 5,503,835 | 100.0 | 7,052 | 5,741,095 | 100.0 | 13,197 | 5,701,205 | 100.0 | 13,844 | Yes |
| Drove alone | 4,192,895 | 76.2 | 6,724 | 4,372,775 | 76.2 | 14,336 | 4,356,693 | 76.4 | 13,899 | Yes |
| 2-person Carpool | 464,305 | 8.4 | 2,704 | 428,458 | 7.5 | 6,111 | 405,836 | 7.1 | 6,303 | Yes |
| 3-or-more-person Carpool | 105,260 | 1.9 | 1,307 | 106,302 | 1.9 | 3,273 | 103,853 | 1.8 | 3,268 | No |
| Transit | 295,075 | 5.4 | 2,171 | 318,493 | 5.5 | 6,235 | 318,283 | 5.6 | 5,621 | Yes |
| Bike | 13,915 | 0.3 | 477 | 24,701 | 0.4 | 1,430 | 24,906 | 0.4 | 1,660 | Yes |
| Walked | 229,215 | 4.2 | 1,919 | 234,038 | 4.1 | 4,882 | 221,730 | 3.9 | 4,865 | Yes |
| Taxi, Motorcycle and Other means | 38,515 | 0.7 | 793 | 48,575 | 0.8 | 2,027 | 49,846 | 0.9 | 2,048 | Yes |
| Worked at Home | 164,645 | 3.0 | 1,631 | 207,753 | 3.6 | 4,551 | 220,058 | 3.9 | 3,928 | 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) | 25.2 | 0.0 | 25.6 | 0.1 | 26.0 | 0.1 | Yes |
| Drove alone | 24.1 | 0.0 | 24.5 | 0.1 | 25.0 | 0.1 | Yes |
| Carpooled | 28.2 | 0.1 | 28.7 | 0.6 | 28.5 | 0.6 | No |
| Transit | 45.6 | 0.3 | 45.5 | 1.4 | 45.4 | 1.3 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 14.4 | 0.2 | 15.1 | 0.5 | 15.5 | 0.4 | Yes |
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
