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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 | 7,078,515 | -- | 7,799,258 | 0 | 8,001,024 | 8,105,120 | 0 | -- |
| Persons in Households 2 | 6,846,703 | 2,264 | 7,545,487 | -- | 7,761,190 | 7,863,734 | -- | -- |
| Total Households 3 | 2,700,335 | 2,082 | 2,951,066 | 6,876 | 3,056,058 | 3,007,690 | 6,950 | Yes |
| Average Number of Persons per Household 4 | 2.54 | 0.00 | 2.56 | 0.01 | 2.54 | 2.61 | 0.01 | Yes |
| Average Household Income 5 | $61,620 | $162 | $81,430 | $375 | -- | $85,467 | $471 | Yes |
| Average Number of Vehicles per Household 6 | 1.83 | 0.00 | 1.94 | 0.01 | -- | 1.92 | 0.01 | Yes |
| Percent of Persons in Poverty 7 | 9.60 | 0.10 | 10.30 | 0.19 | -- | 11.50 | 0.16 | Yes |
| Percent Minority 8 | 27.70 | 0.10 | 29.50 | 0.09 | 31.40 | 30.70 | 0.10 | Yes |
| Percent of Persons 65 and Over 9 | 11.20 | 0.10 | 11.90 | 0.08 | 12.20 | 12.60 | 0.08 | Yes |
| Percent of Persons Foreign Born 10 | 8.10 | 0.00 | 10.30 | 0.11 | -- | 11.40 | 0.12 | Yes |
| Total Workers at Place of Residence11 | 3,543,538 | 6,361 | 3,995,544 | 12,859 | -- | 3,982,044 | 10,176 | 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 | 3,481,820 | 100.0 | 6,360 | 3,849,071 | 100.0 | 12,209 | 3,899,731 | 100.0 | 10,278 | Yes |
| Drove alone | 2,685,915 | 77.1 | 6,173 | 2,967,007 | 77.1 | 13,473 | 3,019,806 | 77.4 | 12,378 | Yes |
| 2-person Carpool | 329,960 | 9.5 | 2,682 | 305,484 | 7.9 | 6,095 | 286,496 | 7.3 | 6,080 | Yes |
| 3-or-more-person Carpool | 111,135 | 3.2 | 1,582 | 106,227 | 2.8 | 3,585 | 90,671 | 2.3 | 3,374 | Yes |
| Transit | 119,795 | 3.4 | 1,641 | 163,628 | 4.3 | 4,639 | 173,393 | 4.4 | 4,996 | Yes |
| Bike | 7,930 | 0.2 | 426 | 13,130 | 0.3 | 1,342 | 13,743 | 0.4 | 1,212 | Yes |
| Walked | 80,485 | 2.3 | 1,349 | 87,426 | 2.3 | 3,886 | 93,868 | 2.4 | 3,529 | Yes |
| Taxi, Motorcycle and Other means | 36,535 | 1.0 | 912 | 39,234 | 1.0 | 2,177 | 41,554 | 1.1 | 2,176 | Yes |
| Worked at Home | 110,065 | 3.2 | 1,574 | 166,935 | 4.3 | 5,931 | 180,200 | 4.6 | 4,294 | 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 | 3,388,770 | 100.0 | 6,355 | 3,770,788 | 100.0 | 13,979 | 3,807,280 | 100.0 | 11,182 | Yes |
| Drove alone | 2,661,960 | 78.6 | 6,163 | 2,966,267 | 78.7 | 13,661 | 3,003,802 | 78.9 | 12,920 | Yes |
| 2-person Carpool | 319,585 | 9.4 | 2,642 | 294,878 | 7.8 | 5,456 | 277,098 | 7.3 | 5,970 | Yes |
| 3-or-more-person Carpool | 96,880 | 2.9 | 1,478 | 95,763 | 2.5 | 3,459 | 84,465 | 2.2 | 3,670 | Yes |
| Transit | 80,510 | 2.4 | 1,349 | 110,061 | 2.9 | 3,999 | 116,220 | 3.1 | 4,246 | Yes |
| Bike | 7,260 | 0.2 | 407 | 11,977 | 0.3 | 1,302 | 12,712 | 0.3 | 1,092 | Yes |
| Walked | 79,255 | 2.3 | 1,339 | 88,135 | 2.3 | 4,037 | 93,325 | 2.5 | 3,470 | Yes |
| Taxi, Motorcycle and Other means | 33,255 | 1.0 | 870 | 36,772 | 1.0 | 1,993 | 39,458 | 1.0 | 1,895 | Yes |
| Worked at Home | 110,065 | 3.2 | 1,574 | 166,935 | 4.4 | 5,931 | 180,200 | 4.7 | 4,294 | 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 | 26.9 | 0.2 | 27.8 | 0.2 | Yes |
| Drove alone | 25.7 | 0.1 | 25.7 | 0.2 | 26.6 | 0.2 | Yes |
| Carpooled | 31.9 | 0.2 | 31.0 | 0.8 | 32.5 | 1.0 | No |
| Transit | 45.1 | 0.4 | 46.5 | 1.8 | 45.9 | 1.9 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 19.6 | 0.4 | 18.1 | 1.1 | 18.4 | 0.9 | 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
