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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 | 472,822 | -- | 494,686 | -- | 494,919 | 497,975 | -- | -- |
| Persons in Households 2 | 461,027 | 513 | 480,610 | -- | 483,098 | 486,134 | -- | -- |
| Total Households 3 | 168,448 | 527 | 174,080 | 1,334 | 181,126 | 179,835 | 1,562 | Yes |
| Average Number of Persons per Household 4 | 2.74 | 0.02 | 2.76 | 0.02 | 2.67 | 2.70 | 0.02 | Yes |
| Average Household Income 5 | $68,575 | $672 | $89,372 | $1,785 | -- | $92,361 | $1,934 | Yes |
| Average Number of Vehicles per Household 6 | 1.79 | 0.01 | 1.88 | 0.03 | -- | 1.83 | 0.03 | Yes |
| Percent of Persons in Poverty 7 | 6.60 | 0.20 | 6.80 | 0.56 | -- | 7.90 | 0.61 | Yes |
| Percent Minority 8 | 11.20 | 0.20 | 13.10 | 0.34 | 14.50 | 14.30 | 0.33 | Yes |
| Percent of Persons 65 and Over 9 | 11.80 | 0.20 | 13.00 | 0.34 | 13.90 | 14.50 | 0.37 | Yes |
| Percent of Persons Foreign Born 10 | 6.30 | 0.20 | 7.90 | 0.38 | -- | 8.00 | 0.47 | Yes |
| Total Workers at Place of Residence11 | 236,235 | 1,644 | 251,986 | 2,795 | -- | 243,679 | 2,426 | 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 | 231,670 | 100.0 | 1,644 | 241,147 | 100.0 | 2,887 | 238,811 | 100.0 | 2,463 | Yes |
| Drove alone | 187,340 | 80.9 | 1,608 | 194,450 | 80.6 | 2,891 | 193,642 | 81.1 | 2,606 | Yes |
| 2-person Carpool | 17,785 | 7.7 | 626 | 15,646 | 6.5 | 1,278 | 14,294 | 6.0 | 1,209 | Yes |
| 3-or-more-person Carpool | 3,205 | 1.4 | 270 | 3,344 | 1.4 | 567 | 3,558 | 1.5 | 569 | No |
| Transit | 12,280 | 5.3 | 523 | 12,054 | 5.0 | 923 | 11,629 | 4.9 | 998 | No |
| Bike | 250 | 0.1 | 76 | 545 | 0.2 | 260 | 532 | 0.2 | 255 | Yes |
| Walked | 3,290 | 1.4 | 273 | 4,450 | 1.8 | 616 | 4,519 | 1.9 | 641 | Yes |
| Taxi, Motorcycle and Other means | 1,495 | 0.6 | 185 | 1,422 | 0.6 | 328 | 1,484 | 0.6 | 374 | No |
| Worked at Home | 6,020 | 2.6 | 369 | 9,236 | 3.8 | 1,095 | 9,153 | 3.8 | 853 | 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 | 165,480 | 100.0 | 1,568 | 180,747 | 100.0 | 3,637 | 184,844 | 100.0 | 3,386 | Yes |
| Drove alone | 137,300 | 83.0 | 1,493 | 148,807 | 82.3 | 3,241 | 154,174 | 83.4 | 3,100 | Yes |
| 2-person Carpool | 13,080 | 7.9 | 539 | 11,511 | 6.4 | 1,216 | 11,269 | 6.1 | 1,137 | Yes |
| 3-or-more-person Carpool | 2,785 | 1.7 | 252 | 3,678 | 2.0 | 632 | 2,868 | 1.6 | 573 | No |
| Transit | 1,920 | 1.2 | 209 | 1,950 | 1.1 | 395 | 1,290 | 0.7 | 331 | Yes |
| Bike | 190 | 0.1 | 66 | 582 | 0.3 | 265 | 430 | 0.2 | 213 | Yes |
| Walked | 3,135 | 1.9 | 267 | 3,954 | 2.2 | 569 | 4,537 | 2.5 | 603 | Yes |
| Taxi, Motorcycle and Other means | 1,045 | 0.6 | 154 | 1,029 | 0.6 | 339 | 1,123 | 0.6 | 319 | No |
| Worked at Home | 6,020 | 3.6 | 369 | 9,236 | 5.1 | 1,095 | 9,153 | 5.0 | 853 | 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) | 32.3 | 0.3 | 31.7 | 0.8 | 32.5 | 0.8 | No |
| Drove alone | 30.3 | 0.3 | 30.1 | 0.8 | 30.5 | 0.8 | No |
| Carpooled | 33.4 | 1.0 | 31.5 | 3.4 | 34.6 | 3.8 | No |
| Transit | 65.1 | 1.6 | 64.6 | 7.3 | 69.6 | 9.0 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 22.7 | 2.2 | 20.8 | 5.4 | 22.4 | 6.5 | 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
