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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 | 2,895,964 | -- | 2,830,098 | 63 | 2,695,598 | 2,705,981 | 50 | -- |
| Persons in Households 2 | 2,836,388 | 977 | 2,766,356 | -- | 2,635,352 | 2,653,491 | -- | -- |
| Total Households 3 | 1,061,964 | 1,171 | 1,067,314 | 4,446 | 1,045,560 | 1,023,839 | 4,471 | Yes |
| Average Number of Persons per Household 4 | 2.67 | 0.01 | 2.59 | 0.01 | 2.52 | 2.59 | 0.01 | Yes |
| Average Household Income 5 | $54,175 | $212 | $69,076 | $885 | -- | $68,868 | $931 | Yes |
| Average Number of Vehicles per Household 6 | 1.08 | 0.00 | 1.13 | 0.01 | -- | 1.09 | 0.01 | No |
| Percent of Persons in Poverty 7 | 19.60 | 0.10 | 20.70 | 0.45 | -- | 23.30 | 0.44 | Yes |
| Percent Minority 8 | 58.00 | 0.10 | 56.20 | 0.37 | 55.00 | 52.30 | 0.41 | Yes |
| Percent of Persons 65 and Over 9 | 10.30 | 0.10 | 10.30 | 0.16 | 10.30 | 10.50 | 0.15 | Yes |
| Percent of Persons Foreign Born 10 | 21.70 | 0.10 | 21.00 | 0.28 | -- | 21.10 | 0.27 | Yes |
| Total Workers at Place of Residence11 | 1,220,633 | 3,400 | 1,342,239 | 8,940 | -- | 1,224,886 | 7,505 | No |
| 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 | 1,192,140 | 100.0 | 3,389 | 1,291,709 | 100.0 | 6,534 | 1,196,216 | 100.0 | 7,594 | No |
| Drove alone | 597,600 | 50.1 | 2,787 | 652,934 | 50.5 | 6,584 | 599,685 | 50.1 | 6,340 | No |
| 2-person Carpool | 122,910 | 10.3 | 1,388 | 98,522 | 7.6 | 3,024 | 82,029 | 6.9 | 3,548 | Yes |
| 3-or-more-person Carpool | 49,810 | 4.2 | 895 | 31,761 | 2.5 | 2,370 | 27,840 | 2.3 | 1,826 | Yes |
| Transit | 301,225 | 25.3 | 2,102 | 348,265 | 27.0 | 5,661 | 320,239 | 26.8 | 5,236 | Yes |
| Bike | 5,955 | 0.5 | 312 | 14,556 | 1.1 | 1,223 | 16,895 | 1.4 | 1,295 | Yes |
| Walked | 67,555 | 5.7 | 1,039 | 74,797 | 5.8 | 2,903 | 79,480 | 6.6 | 2,798 | Yes |
| Taxi, Motorcycle and Other means | 18,920 | 1.6 | 555 | 18,869 | 1.5 | 1,490 | 17,465 | 1.5 | 1,554 | No |
| Worked at Home | 28,165 | 2.4 | 676 | 52,005 | 4.0 | 2,315 | 52,583 | 4.4 | 2,319 | 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 | 1,336,555 | 100.0 | 3,433 | 1,460,111 | 100.0 | 8,411 | 1,394,957 | 100.0 | 9,940 | Yes |
| Drove alone | 654,915 | 49.0 | 2,880 | 712,838 | 48.8 | 7,425 | 680,434 | 48.8 | 7,556 | Yes |
| 2-person Carpool | 115,550 | 8.6 | 1,348 | 99,139 | 6.8 | 3,093 | 87,474 | 6.3 | 3,307 | Yes |
| 3-or-more-person Carpool | 35,785 | 2.7 | 761 | 26,165 | 1.8 | 1,993 | 23,331 | 1.7 | 1,621 | Yes |
| Transit | 410,650 | 30.7 | 2,402 | 459,748 | 31.5 | 5,672 | 433,976 | 31.1 | 5,951 | Yes |
| Bike | 5,500 | 0.4 | 300 | 13,953 | 1.0 | 1,154 | 16,374 | 1.2 | 1,319 | Yes |
| Walked | 63,845 | 4.8 | 1,011 | 73,611 | 5.0 | 2,914 | 77,418 | 5.5 | 2,783 | Yes |
| Taxi, Motorcycle and Other means | 22,155 | 1.7 | 600 | 22,652 | 1.6 | 1,604 | 23,367 | 1.7 | 1,436 | No |
| Worked at Home | 28,165 | 2.1 | 676 | 52,005 | 3.6 | 2,315 | 52,583 | 3.8 | 2,319 | 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) | 35.2 | 0.1 | 34.0 | 0.4 | 33.3 | 0.4 | Yes |
| Drove alone | 32.8 | 0.1 | 31.2 | 0.5 | 31.0 | 0.5 | Yes |
| Carpooled | 35.5 | 0.3 | 33.4 | 1.6 | 33.1 | 1.7 | Yes |
| Transit | 44.9 | 0.2 | 44.4 | 1.1 | 42.7 | 1.1 | Yes |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 18.3 | 0.3 | 18.2 | 1.1 | 18.9 | 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
