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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 | 6,349,097 | -- | 6,545,486 | 0 | 6,547,629 | 6,605,468 | 0 | -- |
| Persons in Households 2 | 6,127,400 | 2,212 | 6,298,515 | -- | 6,308,747 | 6,358,736 | -- | -- |
| Total Households 3 | 2,444,588 | 1,945 | 2,469,443 | 5,204 | 2,547,075 | 2,524,028 | 5,018 | Yes |
| Average Number of Persons per Household 4 | 2.51 | 0.00 | 2.55 | 0.01 | 2.48 | 2.52 | 0.01 | Yes |
| Average Household Income 5 | $66,365 | $184 | $86,334 | $515 | -- | $88,593 | $486 | Yes |
| Average Number of Vehicles per Household 6 | 1.55 | 0.00 | 1.61 | 0.01 | -- | 1.58 | 0.01 | Yes |
| Percent of Persons in Poverty 7 | 9.30 | 0.10 | 10.10 | 0.17 | -- | 11.60 | 0.19 | Yes |
| Percent Minority 8 | 15.50 | 0.10 | 17.50 | 0.12 | 19.60 | 19.50 | 0.13 | Yes |
| Percent of Persons 65 and Over 9 | 13.50 | 0.10 | 13.40 | 0.09 | 13.80 | 14.10 | 0.10 | Yes |
| Percent of Persons Foreign Born 10 | 12.20 | 0.10 | 14.30 | 0.16 | -- | 15.00 | 0.14 | Yes |
| Total Workers at Place of Residence11 | 3,166,527 | 6,024 | 3,383,250 | 10,830 | -- | 3,292,482 | 8,693 | 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 | 3,102,835 | 100.0 | 6,023 | 3,252,253 | 100.0 | 10,755 | 3,220,648 | 100.0 | 8,601 | Yes |
| Drove alone | 2,290,260 | 73.8 | 5,786 | 2,349,891 | 72.3 | 11,125 | 2,327,257 | 72.3 | 9,396 | Yes |
| 2-person Carpool | 230,435 | 7.4 | 2,253 | 214,934 | 6.6 | 4,488 | 206,365 | 6.4 | 4,500 | Yes |
| 3-or-more-person Carpool | 48,670 | 1.6 | 1,051 | 56,310 | 1.7 | 2,772 | 49,979 | 1.6 | 2,492 | No |
| Transit | 264,195 | 8.5 | 2,406 | 298,862 | 9.2 | 6,222 | 295,106 | 9.2 | 5,758 | Yes |
| Bike | 12,355 | 0.4 | 531 | 23,464 | 0.7 | 1,706 | 22,701 | 0.7 | 1,458 | Yes |
| Walked | 134,565 | 4.3 | 1,735 | 149,477 | 4.6 | 4,287 | 153,030 | 4.8 | 3,996 | Yes |
| Taxi, Motorcycle and Other means | 24,845 | 0.8 | 752 | 27,668 | 0.9 | 1,686 | 27,213 | 0.8 | 1,631 | Yes |
| Worked at Home | 97,505 | 3.1 | 1,482 | 131,647 | 4.0 | 3,812 | 138,997 | 4.3 | 3,176 | 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 | 3,178,495 | 100.0 | 6,024 | 3,319,192 | 100.0 | 11,175 | 3,281,218 | 100.0 | 9,876 | Yes |
| Drove alone | 2,352,710 | 74.0 | 5,819 | 2,408,411 | 72.6 | 12,025 | 2,376,524 | 72.4 | 10,053 | Yes |
| 2-person Carpool | 237,935 | 7.5 | 2,288 | 218,543 | 6.6 | 4,587 | 210,485 | 6.4 | 4,521 | Yes |
| 3-or-more-person Carpool | 50,320 | 1.6 | 1,068 | 57,161 | 1.7 | 2,856 | 51,328 | 1.6 | 2,539 | No |
| Transit | 267,990 | 8.4 | 2,423 | 303,218 | 9.1 | 6,384 | 300,091 | 9.1 | 5,706 | Yes |
| Bike | 12,420 | 0.4 | 532 | 23,238 | 0.7 | 1,707 | 22,758 | 0.7 | 1,423 | Yes |
| Walked | 135,005 | 4.2 | 1,738 | 148,138 | 4.5 | 4,141 | 153,437 | 4.7 | 3,997 | Yes |
| Taxi, Motorcycle and Other means | 24,615 | 0.8 | 749 | 28,836 | 0.9 | 1,826 | 27,598 | 0.8 | 1,817 | Yes |
| Worked at Home | 97,505 | 3.1 | 1,482 | 131,647 | 4.0 | 3,812 | 138,997 | 4.2 | 3,176 | 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) | 27.0 | 0.1 | 27.3 | 0.2 | 28.0 | 0.2 | Yes |
| Drove alone | 25.7 | 0.1 | 26.0 | 0.2 | 26.7 | 0.2 | Yes |
| Carpooled | 27.4 | 0.2 | 28.0 | 0.9 | 28.8 | 0.9 | Yes |
| Transit | 44.2 | 0.3 | 44.6 | 1.3 | 45.2 | 1.4 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 16.6 | 0.3 | 15.8 | 0.7 | 17.0 | 0.7 | 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
