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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 | 563,375 | -- | 604,065 | 60 | 608,660 | 622,273 | 59 | -- |
| Persons in Households 2 | 536,722 | 762 | 581,354 | -- | 583,735 | 598,480 | -- | -- |
| Total Households 3 | 258,635 | 510 | 280,857 | 2,765 | 283,510 | 284,559 | 2,324 | Yes |
| Average Number of Persons per Household 4 | 2.08 | 0.01 | 2.07 | 0.02 | 2.06 | 2.10 | 0.02 | No |
| Average Household Income 5 | $64,510 | $563 | $85,613 | $1,893 | -- | $88,590 | $1,632 | Yes |
| Average Number of Vehicles per Household 6 | 1.40 | 0.01 | 1.42 | 0.02 | -- | 1.38 | 0.02 | No |
| Percent of Persons in Poverty 7 | 11.80 | 0.20 | 11.80 | 0.58 | -- | 14.40 | 0.68 | Yes |
| Percent Minority 8 | 30.00 | 0.30 | 27.40 | 0.57 | 30.50 | 30.10 | 0.72 | No |
| Percent of Persons 65 and Over 9 | 12.10 | 0.20 | 11.00 | 0.35 | 10.80 | 11.10 | 0.35 | Yes |
| Percent of Persons Foreign Born 10 | 16.90 | 0.20 | 16.60 | 0.67 | -- | 18.10 | 0.71 | Yes |
| Total Workers at Place of Residence11 | 322,614 | 1,776 | 354,853 | 4,759 | -- | 358,827 | 3,496 | 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 | 316,495 | 100.0 | 1,781 | 347,833 | 100.0 | 3,679 | 351,711 | 100.0 | 3,566 | Yes |
| Drove alone | 178,965 | 56.5 | 1,671 | 184,104 | 52.9 | 3,060 | 182,768 | 52.0 | 3,657 | No |
| 2-person Carpool | 29,010 | 9.2 | 793 | 27,700 | 8.0 | 1,724 | 24,122 | 6.9 | 1,790 | Yes |
| 3-or-more-person Carpool | 6,375 | 2.0 | 380 | 6,672 | 1.9 | 937 | 6,704 | 1.9 | 946 | No |
| Transit | 55,270 | 17.5 | 1,068 | 65,909 | 18.9 | 2,644 | 64,842 | 18.4 | 2,444 | Yes |
| Bike | 5,945 | 1.9 | 367 | 9,925 | 2.9 | 1,013 | 13,223 | 3.8 | 1,232 | Yes |
| Walked | 23,290 | 7.4 | 715 | 30,029 | 8.6 | 1,866 | 32,131 | 9.1 | 1,712 | Yes |
| Taxi, Motorcycle and Other means | 3,025 | 1.0 | 262 | 4,425 | 1.3 | 694 | 4,609 | 1.3 | 613 | Yes |
| Worked at Home | 14,615 | 4.6 | 571 | 19,069 | 5.5 | 1,399 | 23,312 | 6.6 | 1,514 | 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 | 477,225 | 100.0 | 1,292 | 507,423 | 100.0 | 6,206 | 500,946 | 100.0 | 5,848 | Yes |
| Drove alone | 278,645 | 58.4 | 1,794 | 274,710 | 54.1 | 5,107 | 268,210 | 53.5 | 4,799 | Yes |
| 2-person Carpool | 50,475 | 10.6 | 1,025 | 47,235 | 9.3 | 2,540 | 42,021 | 8.4 | 2,206 | Yes |
| 3-or-more-person Carpool | 11,365 | 2.4 | 505 | 12,093 | 2.4 | 1,156 | 10,433 | 2.1 | 1,081 | No |
| Transit | 88,970 | 18.6 | 1,309 | 108,349 | 21.4 | 3,054 | 106,108 | 21.2 | 2,887 | Yes |
| Bike | 6,025 | 1.3 | 369 | 10,185 | 2.0 | 1,077 | 12,553 | 2.5 | 1,158 | Yes |
| Walked | 22,765 | 4.8 | 707 | 28,969 | 5.7 | 1,671 | 31,982 | 6.4 | 1,691 | Yes |
| Taxi, Motorcycle and Other means | 4,380 | 0.9 | 315 | 6,813 | 1.3 | 787 | 6,327 | 1.3 | 817 | Yes |
| Worked at Home | 14,615 | 3.1 | 571 | 19,069 | 3.8 | 1,399 | 23,312 | 4.7 | 1,514 | 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) | 24.8 | 0.2 | 24.9 | 0.5 | 25.3 | 0.5 | No |
| Drove alone | 22.9 | 0.2 | 22.5 | 0.6 | 23.2 | 0.8 | No |
| Carpooled | 24.8 | 0.5 | 25.0 | 2.2 | 25.2 | 2.6 | No |
| Transit | 34.9 | 0.5 | 34.9 | 2.0 | 35.9 | 2.2 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 18.5 | 0.5 | 19.5 | 1.6 | 19.3 | 1.3 | 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
