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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 | 5,376,741 | -- | 5,259,835 | -- | 5,194,675 | 5,214,942 | -- | -- |
| Persons in Households 2 | 5,283,086 | 1,227 | 5,161,667 | -- | 5,104,393 | 5,131,323 | -- | -- |
| Total Households 3 | 1,974,408 | 1,370 | 1,939,904 | 5,171 | 1,966,356 | 1,927,303 | 4,749 | Yes |
| Average Number of Persons per Household 4 | 2.68 | 0.00 | 2.66 | 0.01 | 2.60 | 2.66 | 0.01 | Yes |
| Average Household Income 5 | $62,490 | $167 | $76,083 | $638 | -- | $75,718 | $614 | Yes |
| Average Number of Vehicles per Household 6 | 1.36 | 0.00 | 1.41 | 0.01 | -- | 1.38 | 0.01 | Yes |
| Percent of Persons in Poverty 7 | 13.50 | 0.10 | 15.10 | 0.29 | -- | 17.40 | 0.27 | Yes |
| Percent Minority 8 | 43.70 | 0.10 | 45.30 | 0.20 | 44.60 | 43.30 | 0.23 | Yes |
| Percent of Persons 65 and Over 9 | 11.70 | 0.10 | 11.70 | 0.10 | 11.90 | 12.10 | 0.11 | Yes |
| Percent of Persons Foreign Born 10 | 19.80 | 0.10 | 20.70 | 0.23 | -- | 21.20 | 0.19 | Yes |
| Total Workers at Place of Residence11 | 2,422,688 | 4,668 | 2,533,845 | 9,869 | -- | 2,394,873 | 8,804 | 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 | 2,371,160 | 100.0 | 4,658 | 2,430,705 | 100.0 | 7,954 | 2,341,357 | 100.0 | 9,207 | Yes |
| Drove alone | 1,490,275 | 62.9 | 4,199 | 1,519,156 | 62.5 | 7,217 | 1,460,527 | 62.4 | 9,474 | Yes |
| 2-person Carpool | 215,620 | 9.1 | 1,841 | 180,648 | 7.4 | 4,266 | 167,264 | 7.1 | 5,081 | Yes |
| 3-or-more-person Carpool | 75,320 | 3.2 | 1,103 | 49,561 | 2.0 | 2,748 | 48,330 | 2.1 | 2,370 | Yes |
| Transit | 397,780 | 16.8 | 2,456 | 442,314 | 18.2 | 6,216 | 415,756 | 17.8 | 5,992 | Yes |
| Bike | 9,220 | 0.4 | 388 | 19,051 | 0.8 | 1,530 | 22,875 | 1.0 | 1,598 | Yes |
| Walked | 94,455 | 4.0 | 1,233 | 100,703 | 4.1 | 3,403 | 103,867 | 4.4 | 3,183 | Yes |
| Taxi, Motorcycle and Other means | 27,675 | 1.2 | 671 | 28,176 | 1.2 | 1,690 | 26,056 | 1.1 | 1,796 | No |
| Worked at Home | 60,815 | 2.6 | 992 | 91,096 | 3.7 | 3,184 | 96,682 | 4.1 | 2,950 | 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 | 2,554,120 | 100.0 | 4,685 | 2,641,075 | 100.0 | 10,692 | 2,530,844 | 100.0 | 10,402 | Yes |
| Drove alone | 1,615,075 | 63.2 | 4,301 | 1,657,060 | 62.7 | 8,857 | 1,584,404 | 62.6 | 10,274 | Yes |
| 2-person Carpool | 220,575 | 8.6 | 1,861 | 187,856 | 7.1 | 4,597 | 170,506 | 6.7 | 4,992 | Yes |
| 3-or-more-person Carpool | 70,735 | 2.8 | 1,069 | 48,475 | 1.8 | 2,579 | 46,881 | 1.9 | 2,524 | Yes |
| Transit | 451,920 | 17.7 | 2,603 | 504,670 | 19.1 | 6,359 | 474,074 | 18.7 | 6,345 | Yes |
| Bike | 9,125 | 0.4 | 386 | 19,154 | 0.7 | 1,552 | 22,843 | 0.9 | 1,577 | Yes |
| Walked | 93,695 | 3.7 | 1,228 | 100,403 | 3.8 | 3,459 | 103,006 | 4.1 | 3,145 | Yes |
| Taxi, Motorcycle and Other means | 32,175 | 1.3 | 724 | 32,361 | 1.2 | 1,793 | 32,448 | 1.3 | 1,745 | No |
| Worked at Home | 60,815 | 2.4 | 992 | 91,096 | 3.4 | 3,184 | 96,682 | 3.8 | 2,950 | 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) | 32.6 | 0.1 | 32.0 | 0.2 | 31.6 | 0.2 | Yes |
| Drove alone | 29.8 | 0.1 | 29.3 | 0.2 | 29.1 | 0.3 | Yes |
| Carpooled | 33.4 | 0.2 | 31.4 | 1.1 | 30.9 | 1.2 | Yes |
| Transit | 47.4 | 0.2 | 46.6 | 1.0 | 45.5 | 1.0 | Yes |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 18.3 | 0.3 | 17.9 | 0.8 | 18.7 | 0.9 | 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
