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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 | 5,894,121 | -- | 6,565,082 | 0 | 6,724,540 | 6,821,303 | 0 | -- |
| Persons in Households 2 | 5,757,636 | 1,746 | 6,421,829 | -- | 6,585,165 | 6,680,861 | -- | -- |
| Total Households 3 | 2,272,261 | 1,947 | 2,537,656 | 4,792 | 2,620,076 | 2,624,689 | 5,443 | Yes |
| Average Number of Persons per Household 4 | 2.53 | 0.00 | 2.53 | 0.01 | 2.51 | 2.55 | 0.01 | Yes |
| Average Household Income 5 | $58,655 | $163 | $74,355 | $326 | -- | $75,646 | $392 | Yes |
| Average Number of Vehicles per Household 6 | 1.85 | 0.00 | 1.93 | 0.01 | -- | 1.90 | 0.01 | Yes |
| Percent of Persons in Poverty 7 | 10.60 | 0.10 | 11.80 | 0.19 | -- | 13.70 | 0.21 | Yes |
| Percent Minority 8 | 18.30 | 0.10 | 19.70 | 0.12 | 22.70 | 21.60 | 0.12 | Yes |
| Percent of Persons 65 and Over 9 | 11.20 | 0.10 | 11.90 | 0.09 | 12.30 | 12.70 | 0.09 | Yes |
| Percent of Persons Foreign Born 10 | 10.40 | 0.10 | 12.20 | 0.14 | -- | 13.30 | 0.13 | Yes |
| Total Workers at Place of Residence11 | 2,841,632 | 5,801 | 3,249,445 | 10,480 | -- | 3,178,107 | 9,888 | 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 | 2,785,480 | 100.0 | 5,796 | 3,124,386 | 100.0 | 9,880 | 3,105,858 | 100.0 | 10,310 | Yes |
| Drove alone | 2,040,835 | 73.3 | 5,523 | 2,250,587 | 72.0 | 10,408 | 2,264,282 | 72.9 | 10,733 | Yes |
| 2-person Carpool | 282,640 | 10.1 | 2,481 | 282,316 | 9.0 | 5,766 | 250,621 | 8.1 | 5,503 | Yes |
| 3-or-more-person Carpool | 75,105 | 2.7 | 1,302 | 82,467 | 2.6 | 3,442 | 73,736 | 2.4 | 2,893 | No |
| Transit | 134,865 | 4.8 | 1,736 | 177,994 | 5.7 | 4,099 | 176,495 | 5.7 | 3,986 | Yes |
| Bike | 16,205 | 0.6 | 608 | 26,577 | 0.9 | 1,712 | 27,974 | 0.9 | 1,650 | Yes |
| Walked | 89,740 | 3.2 | 1,422 | 110,201 | 3.5 | 3,343 | 108,209 | 3.5 | 3,769 | Yes |
| Taxi, Motorcycle and Other means | 25,270 | 0.9 | 759 | 36,824 | 1.2 | 1,816 | 36,699 | 1.2 | 1,842 | Yes |
| Worked at Home | 120,830 | 4.3 | 1,645 | 157,420 | 5.0 | 3,355 | 167,842 | 5.4 | 3,710 | 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 | 2,739,790 | 100.0 | 5,790 | 3,072,121 | 100.0 | 10,987 | 3,058,750 | 100.0 | 10,926 | Yes |
| Drove alone | 2,007,655 | 73.3 | 5,502 | 2,214,678 | 72.1 | 10,752 | 2,232,493 | 73.0 | 11,076 | Yes |
| 2-person Carpool | 278,090 | 10.2 | 2,461 | 276,578 | 9.0 | 5,683 | 246,307 | 8.1 | 5,685 | Yes |
| 3-or-more-person Carpool | 74,035 | 2.7 | 1,293 | 80,269 | 2.6 | 3,600 | 71,555 | 2.3 | 2,931 | No |
| Transit | 132,805 | 4.8 | 1,723 | 174,773 | 5.7 | 4,167 | 173,969 | 5.7 | 4,018 | Yes |
| Bike | 16,135 | 0.6 | 607 | 26,541 | 0.9 | 1,736 | 27,952 | 0.9 | 1,610 | Yes |
| Walked | 88,460 | 3.2 | 1,412 | 108,981 | 3.5 | 3,314 | 107,291 | 3.5 | 3,797 | Yes |
| Taxi, Motorcycle and Other means | 21,775 | 0.8 | 704 | 32,881 | 1.1 | 1,766 | 31,341 | 1.0 | 1,812 | Yes |
| Worked at Home | 120,830 | 4.4 | 1,645 | 157,420 | 5.1 | 3,355 | 167,842 | 5.5 | 3,710 | 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) | 25.5 | 0.1 | 25.6 | 0.2 | 25.6 | 0.2 | No |
| Drove alone | 24.0 | 0.1 | 23.9 | 0.2 | 23.9 | 0.2 | No |
| Carpooled | 29.1 | 0.2 | 29.8 | 0.8 | 29.3 | 0.9 | No |
| Transit | 44.5 | 0.4 | 44.6 | 1.6 | 44.8 | 1.5 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 20.5 | 0.4 | 19.4 | 0.9 | 20.4 | 1.0 | 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
