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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 | 660,486 | -- | 712,147 | -- | 735,334 | 748,280 | -- | -- |
| Persons in Households 2 | 643,770 | 563 | 694,939 | -- | 715,751 | 730,714 | -- | -- |
| Total Households 3 | 272,356 | 546 | 293,074 | 1,943 | 304,540 | 305,069 | 1,837 | Yes |
| Average Number of Persons per Household 4 | 2.36 | 0.01 | 2.37 | 0.01 | 2.35 | 2.40 | 0.01 | Yes |
| Average Household Income 5 | $53,940 | $421 | $67,456 | $1,070 | -- | $68,989 | $1,253 | Yes |
| Average Number of Vehicles per Household 6 | 1.55 | 0.01 | 1.56 | 0.02 | -- | 1.50 | 0.02 | Yes |
| Percent of Persons in Poverty 7 | 12.70 | 0.20 | 15.10 | 0.73 | -- | 18.60 | 0.73 | Yes |
| Percent Minority 8 | 21.00 | 0.20 | 20.60 | 0.48 | 23.50 | 21.60 | 0.38 | Yes |
| Percent of Persons 65 and Over 9 | 11.20 | 0.20 | 10.20 | 0.25 | 10.50 | 10.80 | 0.24 | Yes |
| Percent of Persons Foreign Born 10 | 12.70 | 0.20 | 13.40 | 0.42 | -- | 13.90 | 0.40 | Yes |
| Total Workers at Place of Residence11 | 341,756 | 1,793 | 377,282 | 3,389 | -- | 373,574 | 3,633 | 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 | 335,180 | 100.0 | 1,793 | 362,877 | 100.0 | 3,076 | 366,183 | 100.0 | 3,642 | Yes |
| Drove alone | 220,005 | 65.6 | 1,691 | 232,893 | 64.2 | 3,897 | 223,386 | 61.0 | 3,547 | No |
| 2-person Carpool | 33,455 | 10.0 | 787 | 28,170 | 7.8 | 2,012 | 28,548 | 7.8 | 1,724 | Yes |
| 3-or-more-person Carpool | 6,825 | 2.0 | 363 | 5,951 | 1.6 | 847 | 5,502 | 1.5 | 734 | Yes |
| Transit | 37,050 | 11.1 | 825 | 39,071 | 10.8 | 1,941 | 40,815 | 11.1 | 2,045 | Yes |
| Bike | 5,015 | 1.5 | 311 | 16,217 | 4.5 | 1,123 | 19,130 | 5.2 | 1,418 | Yes |
| Walked | 15,285 | 4.6 | 539 | 16,376 | 4.5 | 1,414 | 18,769 | 5.1 | 1,686 | Yes |
| Taxi, Motorcycle and Other means | 3,075 | 0.9 | 244 | 3,230 | 0.9 | 491 | 3,615 | 1.0 | 551 | No |
| Worked at Home | 14,475 | 4.3 | 525 | 20,969 | 5.8 | 1,336 | 26,418 | 7.2 | 1,693 | 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 | 431,750 | 100.0 | 1,707 | 462,539 | 100.0 | 4,626 | 468,786 | 100.0 | 5,536 | Yes |
| Drove alone | 295,720 | 68.5 | 1,784 | 309,184 | 66.8 | 4,439 | 304,661 | 65.0 | 4,565 | Yes |
| 2-person Carpool | 42,955 | 9.9 | 885 | 38,321 | 8.3 | 2,333 | 36,458 | 7.8 | 2,294 | Yes |
| 3-or-more-person Carpool | 8,145 | 1.9 | 396 | 7,078 | 1.5 | 847 | 7,925 | 1.7 | 967 | No |
| Transit | 46,554 | 10.8 | 918 | 50,562 | 10.9 | 2,374 | 51,617 | 11.0 | 2,410 | Yes |
| Bike | 5,095 | 1.2 | 314 | 15,543 | 3.4 | 1,095 | 18,667 | 4.0 | 1,392 | Yes |
| Walked | 14,975 | 3.5 | 534 | 16,717 | 3.6 | 1,463 | 18,246 | 3.9 | 1,636 | Yes |
| Taxi, Motorcycle and Other means | 3,825 | 0.9 | 272 | 4,165 | 0.9 | 614 | 4,794 | 1.0 | 589 | Yes |
| Worked at Home | 14,475 | 3.4 | 525 | 20,969 | 4.5 | 1,336 | 26,418 | 5.6 | 1,693 | 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) | 23.8 | 0.2 | 24.5 | 0.5 | 24.6 | 0.5 | Yes |
| Drove alone | 21.8 | 0.2 | 22.1 | 0.6 | 22.3 | 0.6 | No |
| Carpooled | 24.5 | 0.4 | 25.3 | 2.6 | 24.6 | 2.0 | No |
| Transit | 39.0 | 0.7 | 40.6 | 3.2 | 41.8 | 3.3 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 17.7 | 0.6 | 21.7 | 2.1 | 20.5 | 1.7 | Yes |
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
