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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 | 238,994 | -- | 294,592 | -- | 306,479 | 311,852 | -- | -- |
| Persons in Households 2 | 235,518 | 258 | 291,760 | -- | 303,186 | 309,965 | -- | -- |
| Total Households 3 | 71,115 | 237 | 89,131 | 848 | 93,545 | 95,457 | 595 | Yes |
| Average Number of Persons per Household 4 | 3.31 | 0.02 | 3.27 | 0.03 | 3.24 | 3.25 | 0.02 | Yes |
| Average Household Income 5 | $64,540 | $815 | $80,776 | $2,040 | -- | $82,694 | $2,273 | Yes |
| Average Number of Vehicles per Household 6 | 2.17 | 0.02 | 2.18 | 0.04 | -- | 2.15 | 0.03 | No |
| Percent of Persons in Poverty 7 | 5.10 | 0.20 | 6.30 | 0.82 | -- | 8.10 | 0.88 | Yes |
| Percent Minority 8 | 7.90 | 0.20 | 7.80 | 0.38 | 10.00 | 9.80 | 0.52 | Yes |
| Percent of Persons 65 and Over 9 | 7.30 | 0.20 | 8.00 | 0.32 | 8.20 | 8.40 | 0.32 | Yes |
| Percent of Persons Foreign Born 10 | 3.60 | 0.20 | 4.60 | 0.47 | -- | 4.90 | 0.39 | Yes |
| Total Workers at Place of Residence11 | 114,358 | 1,078 | 143,898 | 2,056 | -- | 142,552 | 1,845 | 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 | 112,715 | 100.0 | 1,077 | 137,369 | 100.0 | 1,645 | 140,326 | 100.0 | 1,850 | Yes |
| Drove alone | 88,955 | 78.9 | 1,043 | 108,060 | 78.7 | 1,759 | 112,616 | 80.3 | 1,912 | Yes |
| 2-person Carpool | 11,560 | 10.3 | 463 | 11,890 | 8.7 | 1,016 | 10,464 | 7.5 | 848 | Yes |
| 3-or-more-person Carpool | 2,615 | 2.3 | 224 | 3,574 | 2.6 | 568 | 3,478 | 2.5 | 574 | Yes |
| Transit | 2,469 | 2.2 | 218 | 3,844 | 2.8 | 918 | 3,633 | 2.6 | 563 | Yes |
| Bike | 300 | 0.3 | 76 | 250 | 0.2 | 118 | 382 | 0.3 | 176 | No |
| Walked | 1,585 | 1.4 | 175 | 1,901 | 1.4 | 398 | 1,667 | 1.2 | 403 | No |
| Taxi, Motorcycle and Other means | 670 | 0.6 | 114 | 1,456 | 1.1 | 372 | 1,799 | 1.3 | 536 | Yes |
| Worked at Home | 4,565 | 4.1 | 295 | 6,394 | 4.7 | 620 | 6,287 | 4.5 | 652 | 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 | 89,850 | 100.0 | 1,045 | 108,531 | 100.0 | 2,242 | 110,433 | 100.0 | 2,295 | Yes |
| Drove alone | 70,235 | 78.2 | 983 | 85,417 | 78.7 | 2,367 | 87,216 | 79.0 | 2,209 | Yes |
| 2-person Carpool | 9,205 | 10.2 | 415 | 9,133 | 8.4 | 830 | 9,519 | 8.6 | 858 | No |
| 3-or-more-person Carpool | 2,530 | 2.8 | 221 | 2,761 | 2.5 | 489 | 2,878 | 2.6 | 496 | No |
| Transit | 854 | 1.0 | 129 | 1,313 | 1.2 | 685 | 1,127 | 1.0 | 326 | No |
| Bike | 295 | 0.3 | 76 | 296 | 0.3 | 166 | 369 | 0.3 | 165 | No |
| Walked | 1,545 | 1.7 | 173 | 1,870 | 1.7 | 395 | 1,634 | 1.5 | 400 | No |
| Taxi, Motorcycle and Other means | 615 | 0.7 | 109 | 1,347 | 1.2 | 328 | 1,403 | 1.3 | 454 | Yes |
| Worked at Home | 4,565 | 5.1 | 295 | 6,394 | 5.9 | 620 | 6,287 | 5.7 | 652 | 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) | 22.4 | 0.3 | 23.0 | 0.6 | 22.6 | 0.7 | No |
| Drove alone | 21.2 | 0.3 | 21.6 | 0.7 | 21.4 | 0.8 | No |
| Carpooled | 25.7 | 0.9 | 28.0 | 3.4 | 26.9 | 3.3 | No |
| Transit | 45.0 | 2.4 | 44.1 | 13.2 | 46.0 | 11.0 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 22.0 | 2.8 | 19.9 | 5.7 | 21.0 | 7.2 | 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
