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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 | 563,299 | -- | 593,258 | -- | 603,403 | 609,067 | -- | -- |
| Persons in Households 2 | 551,179 | 441 | 582,072 | -- | 593,586 | 600,165 | -- | -- |
| Total Households 3 | 226,988 | 508 | 238,085 | 1,743 | 241,737 | 240,665 | 1,528 | Yes |
| Average Number of Persons per Household 4 | 2.43 | 0.01 | 2.44 | 0.02 | 2.46 | 2.49 | 0.02 | Yes |
| Average Household Income 5 | $51,755 | $425 | $65,310 | $1,289 | -- | $66,431 | $1,121 | Yes |
| Average Number of Vehicles per Household 6 | 1.66 | 0.01 | 1.75 | 0.03 | -- | 1.74 | 0.02 | Yes |
| Percent of Persons in Poverty 7 | 11.60 | 0.20 | 14.40 | 0.72 | -- | 16.00 | 0.65 | Yes |
| Percent Minority 8 | 25.00 | 0.20 | 25.50 | 0.38 | 30.80 | 27.90 | 0.34 | Yes |
| Percent of Persons 65 and Over 9 | 11.80 | 0.20 | 12.10 | 0.32 | 12.10 | 12.30 | 0.26 | Yes |
| Percent of Persons Foreign Born 10 | 5.40 | 0.10 | 7.30 | 0.36 | -- | 7.90 | 0.27 | Yes |
| Total Workers at Place of Residence11 | 276,197 | 1,518 | 298,428 | 3,030 | -- | 290,920 | 2,208 | 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 | 271,055 | 100.0 | 1,517 | 288,266 | 100.0 | 2,747 | 285,373 | 100.0 | 2,201 | Yes |
| Drove alone | 218,995 | 80.8 | 1,480 | 234,894 | 81.5 | 3,585 | 235,683 | 82.6 | 2,508 | Yes |
| 2-person Carpool | 26,820 | 9.9 | 647 | 25,323 | 8.8 | 1,789 | 23,667 | 8.3 | 1,414 | Yes |
| 3-or-more-person Carpool | 6,755 | 2.5 | 331 | 6,634 | 2.3 | 935 | 5,413 | 1.9 | 688 | Yes |
| Transit | 2,143 | 0.8 | 187 | 1,870 | 0.6 | 393 | 2,012 | 0.7 | 392 | No |
| Bike | 435 | 0.2 | 84 | 757 | 0.3 | 282 | 724 | 0.3 | 217 | Yes |
| Walked | 5,015 | 1.9 | 285 | 5,123 | 1.8 | 844 | 3,863 | 1.4 | 500 | Yes |
| Taxi, Motorcycle and Other means | 2,280 | 0.8 | 193 | 3,747 | 1.3 | 629 | 3,111 | 1.1 | 516 | Yes |
| Worked at Home | 8,610 | 3.2 | 373 | 9,918 | 3.4 | 908 | 10,900 | 3.8 | 772 | 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 | 332,815 | 100.0 | 1,493 | 354,141 | 100.0 | 3,270 | 348,320 | 100.0 | 2,622 | Yes |
| Drove alone | 270,650 | 81.3 | 1,517 | 291,641 | 82.4 | 3,517 | 291,748 | 83.8 | 2,681 | Yes |
| 2-person Carpool | 34,525 | 10.4 | 728 | 32,813 | 9.3 | 2,023 | 29,273 | 8.4 | 1,383 | Yes |
| 3-or-more-person Carpool | 8,675 | 2.6 | 374 | 7,595 | 2.1 | 1,002 | 6,425 | 1.8 | 740 | Yes |
| Transit | 2,244 | 0.7 | 191 | 1,965 | 0.6 | 429 | 2,060 | 0.6 | 393 | No |
| Bike | 445 | 0.1 | 85 | 735 | 0.2 | 280 | 697 | 0.2 | 206 | Yes |
| Walked | 5,120 | 1.5 | 288 | 5,073 | 1.4 | 845 | 3,808 | 1.1 | 504 | Yes |
| Taxi, Motorcycle and Other means | 2,545 | 0.8 | 204 | 4,401 | 1.2 | 584 | 3,409 | 1.0 | 458 | Yes |
| Worked at Home | 8,610 | 2.6 | 373 | 9,918 | 2.8 | 908 | 10,900 | 3.1 | 772 | 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) | 19.7 | 0.1 | 19.1 | 0.4 | 19.6 | 0.4 | No |
| Drove alone | 19.2 | 0.1 | 18.5 | 0.5 | 19.1 | 0.4 | No |
| Carpooled | 21.6 | 0.4 | 21.3 | 2.2 | 21.5 | 1.8 | No |
| Transit | 42.3 | 3.1 | 46.9 | 15.9 | 38.2 | 11.7 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 19.8 | 1.3 | 22.4 | 5.5 | 21.7 | 5.1 | 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
