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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 | 5,689,283 | -- | 6,236,524 | 0 | 6,346,105 | 6,404,240 | 0 | -- |
| Persons in Households 2 | 5,541,168 | 1,816 | 6,084,934 | -- | 6,192,633 | 6,250,843 | -- | -- |
| Total Households 3 | 2,234,229 | 2,073 | 2,433,294 | 6,525 | 2,493,552 | 2,466,659 | 5,833 | Yes |
| Average Number of Persons per Household 4 | 2.48 | 0.01 | 2.50 | 0.01 | 2.48 | 2.53 | 0.01 | Yes |
| Average Household Income 5 | $48,690 | $151 | $58,698 | $409 | -- | $59,795 | $402 | Yes |
| Average Number of Vehicles per Household 6 | 1.80 | 0.00 | 1.87 | 0.01 | -- | 1.85 | 0.01 | Yes |
| Percent of Persons in Poverty 7 | 13.50 | 0.10 | 16.40 | 0.23 | -- | 17.90 | 0.22 | Yes |
| Percent Minority 8 | 19.80 | 0.10 | 20.80 | 0.07 | 22.40 | 21.90 | 0.09 | Yes |
| Percent of Persons 65 and Over 9 | 12.40 | 0.10 | 13.10 | 0.10 | 13.40 | 13.80 | 0.10 | Yes |
| Percent of Persons Foreign Born 10 | 2.80 | 0.00 | 4.20 | 0.08 | -- | 4.60 | 0.08 | Yes |
| Total Workers at Place of Residence11 | 2,669,312 | 5,692 | 2,918,658 | 10,294 | -- | 2,799,473 | 11,436 | 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 | 2,618,405 | 100.0 | 5,685 | 2,783,220 | 100.0 | 9,676 | 2,733,104 | 100.0 | 12,008 | Yes |
| Drove alone | 2,140,375 | 81.7 | 5,525 | 2,313,206 | 83.1 | 9,848 | 2,289,486 | 83.8 | 12,625 | Yes |
| 2-person Carpool | 257,955 | 9.9 | 2,373 | 224,924 | 8.1 | 5,061 | 206,638 | 7.6 | 5,494 | Yes |
| 3-or-more-person Carpool | 70,365 | 2.7 | 1,261 | 58,506 | 2.1 | 2,532 | 55,656 | 2.0 | 2,648 | Yes |
| Transit | 19,505 | 0.7 | 667 | 22,176 | 0.8 | 1,605 | 21,987 | 0.8 | 1,353 | Yes |
| Bike | 2,330 | 0.1 | 231 | 3,746 | 0.1 | 576 | 3,839 | 0.1 | 569 | Yes |
| Walked | 39,690 | 1.5 | 949 | 39,687 | 1.4 | 2,537 | 35,170 | 1.3 | 1,841 | Yes |
| Taxi, Motorcycle and Other means | 20,685 | 0.8 | 686 | 27,239 | 1.0 | 1,966 | 25,516 | 0.9 | 1,805 | Yes |
| Worked at Home | 67,500 | 2.6 | 1,235 | 93,736 | 3.4 | 2,848 | 94,812 | 3.5 | 3,143 | 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 | 2,656,655 | 100.0 | 5,690 | 2,822,974 | 100.0 | 10,856 | 2,772,150 | 100.0 | 13,379 | Yes |
| Drove alone | 2,175,330 | 81.9 | 5,543 | 2,351,890 | 83.3 | 11,301 | 2,329,265 | 84.0 | 13,509 | Yes |
| 2-person Carpool | 261,650 | 9.8 | 2,389 | 227,377 | 8.1 | 4,900 | 207,130 | 7.5 | 5,690 | Yes |
| 3-or-more-person Carpool | 71,065 | 2.7 | 1,267 | 58,876 | 2.1 | 2,474 | 55,312 | 2.0 | 2,686 | Yes |
| Transit | 19,200 | 0.7 | 661 | 21,687 | 0.8 | 1,620 | 21,937 | 0.8 | 1,348 | Yes |
| Bike | 2,265 | 0.1 | 228 | 3,754 | 0.1 | 583 | 3,720 | 0.1 | 580 | Yes |
| Walked | 38,925 | 1.5 | 940 | 38,815 | 1.4 | 2,495 | 34,933 | 1.3 | 1,843 | Yes |
| Taxi, Motorcycle and Other means | 20,725 | 0.8 | 687 | 26,839 | 1.0 | 2,119 | 25,041 | 0.9 | 1,795 | Yes |
| Worked at Home | 67,500 | 2.5 | 1,235 | 93,736 | 3.3 | 2,848 | 94,812 | 3.4 | 3,143 | 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) | 24.5 | 0.1 | 23.9 | 0.2 | 24.3 | 0.2 | No |
| Drove alone | 23.8 | 0.1 | 23.3 | 0.2 | 23.8 | 0.2 | No |
| Carpooled | 28.4 | 0.2 | 28.1 | 0.9 | 27.8 | 1.1 | No |
| Transit | 43.9 | 1.3 | 40.8 | 4.4 | 43.0 | 4.5 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 20.8 | 0.6 | 18.4 | 1.6 | 21.2 | 1.7 | 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
