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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 | 5,296,486 | -- | 5,664,122 | 0 | 5,773,552 | 5,837,378 | 0 | -- |
| Persons in Households 2 | 5,162,381 | 1,862 | 5,520,614 | -- | 5,635,177 | 5,696,708 | -- | -- |
| Total Households 3 | 1,981,795 | 2,001 | 2,089,382 | 4,162 | 2,156,411 | 2,141,086 | 4,604 | Yes |
| Average Number of Persons per Household 4 | 2.60 | 0.01 | 2.64 | 0.01 | 2.61 | 2.66 | 0.01 | Yes |
| Average Household Income 5 | $67,455 | $211 | $90,500 | $490 | -- | $93,415 | $528 | Yes |
| Average Number of Vehicles per Household 6 | 1.69 | 0.00 | 1.81 | 0.01 | -- | 1.77 | 0.01 | Yes |
| Percent of Persons in Poverty 7 | 8.50 | 0.10 | 8.40 | 0.20 | -- | 10.10 | 0.23 | Yes |
| Percent Minority 8 | 36.00 | 0.10 | 39.40 | 0.14 | 41.80 | 41.50 | 0.11 | Yes |
| Percent of Persons 65 and Over 9 | 11.30 | 0.10 | 11.90 | 0.10 | 12.30 | 12.60 | 0.09 | Yes |
| Percent of Persons Foreign Born 10 | 9.80 | 0.10 | 12.60 | 0.15 | -- | 14.00 | 0.13 | Yes |
| Total Workers at Place of Residence11 | 2,640,623 | 5,926 | 2,954,050 | 9,936 | -- | 2,935,280 | 9,048 | 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 | 2,591,670 | 100.0 | 5,924 | 2,847,661 | 100.0 | 8,120 | 2,873,497 | 100.0 | 8,616 | Yes |
| Drove alone | 1,910,915 | 73.7 | 5,691 | 2,093,957 | 73.5 | 8,451 | 2,103,454 | 73.2 | 11,500 | Yes |
| 2-person Carpool | 249,590 | 9.6 | 2,511 | 227,347 | 8.0 | 4,941 | 227,273 | 7.9 | 5,575 | Yes |
| 3-or-more-person Carpool | 71,405 | 2.8 | 1,367 | 68,447 | 2.4 | 2,582 | 66,947 | 2.3 | 3,154 | Yes |
| Transit | 180,535 | 7.0 | 2,150 | 246,960 | 8.7 | 5,311 | 255,946 | 8.9 | 5,033 | Yes |
| Bike | 4,845 | 0.2 | 358 | 8,220 | 0.3 | 937 | 7,777 | 0.3 | 845 | Yes |
| Walked | 64,850 | 2.5 | 1,303 | 70,660 | 2.5 | 2,531 | 66,985 | 2.3 | 2,542 | No |
| Taxi, Motorcycle and Other means | 22,830 | 0.9 | 776 | 23,395 | 0.8 | 1,778 | 24,674 | 0.9 | 1,715 | No |
| Worked at Home | 86,705 | 3.3 | 1,504 | 108,675 | 3.8 | 3,208 | 120,441 | 4.2 | 3,187 | 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 | 2,323,905 | 100.0 | 5,881 | 2,584,274 | 100.0 | 11,606 | 2,596,723 | 100.0 | 10,527 | Yes |
| Drove alone | 1,763,675 | 75.9 | 5,585 | 1,964,296 | 76.0 | 10,397 | 1,971,551 | 75.9 | 11,369 | Yes |
| 2-person Carpool | 215,785 | 9.3 | 2,343 | 209,598 | 8.1 | 5,249 | 206,532 | 8.0 | 5,129 | Yes |
| 3-or-more-person Carpool | 59,955 | 2.6 | 1,254 | 62,091 | 2.4 | 2,554 | 59,684 | 2.3 | 2,897 | No |
| Transit | 107,805 | 4.6 | 1,674 | 138,476 | 5.4 | 4,304 | 142,301 | 5.5 | 4,439 | Yes |
| Bike | 4,490 | 0.2 | 345 | 7,385 | 0.3 | 879 | 6,984 | 0.3 | 810 | Yes |
| Walked | 64,565 | 2.8 | 1,301 | 71,083 | 2.8 | 2,617 | 65,731 | 2.5 | 2,524 | No |
| Taxi, Motorcycle and Other means | 20,920 | 0.9 | 743 | 22,670 | 0.9 | 1,888 | 23,499 | 0.9 | 1,617 | Yes |
| Worked at Home | 86,705 | 3.7 | 1,504 | 108,675 | 4.2 | 3,208 | 120,441 | 4.6 | 3,187 | 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) | 31.2 | 0.1 | 31.4 | 0.2 | 32.0 | 0.2 | Yes |
| Drove alone | 29.3 | 0.1 | 29.3 | 0.2 | 29.8 | 0.3 | Yes |
| Carpooled | 33.9 | 0.3 | 32.9 | 1.0 | 33.3 | 1.2 | No |
| Transit | 52.5 | 0.4 | 52.8 | 1.7 | 53.6 | 1.6 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 18.5 | 0.4 | 18.0 | 1.1 | 18.2 | 1.1 | 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
