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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 | 417,939 | -- | 462,426 | -- | 471,221 | 473,793 | -- | -- |
| Persons in Households 2 | 403,203 | 570 | 447,150 | -- | 456,529 | 457,966 | -- | -- |
| Total Households 3 | 163,826 | 489 | 183,714 | 1,530 | 187,167 | 187,863 | 1,495 | Yes |
| Average Number of Persons per Household 4 | 2.46 | 0.02 | 2.43 | 0.02 | 2.44 | 2.44 | 0.02 | No |
| Average Household Income 5 | $48,180 | $517 | $61,810 | $1,294 | -- | $62,536 | $1,266 | Yes |
| Average Number of Vehicles per Household 6 | 1.79 | 0.02 | 1.92 | 0.03 | -- | 1.88 | 0.03 | Yes |
| Percent of Persons in Poverty 7 | 12.30 | 0.20 | 14.00 | 0.77 | -- | 15.20 | 0.79 | Yes |
| Percent Minority 8 | 8.80 | 0.20 | 9.60 | 0.21 | 10.80 | 10.90 | 0.23 | Yes |
| Percent of Persons 65 and Over 9 | 12.50 | 0.20 | 12.80 | 0.34 | 12.90 | 13.40 | 0.33 | Yes |
| Percent of Persons Foreign Born 10 | 4.50 | 0.20 | 4.90 | 0.40 | -- | 5.70 | 0.47 | Yes |
| Total Workers at Place of Residence11 | 194,398 | 1,542 | 218,331 | 2,828 | -- | 212,854 | 2,437 | 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 | 191,195 | 100.0 | 1,540 | 211,301 | 100.0 | 2,714 | 207,788 | 100.0 | 2,476 | Yes |
| Drove alone | 146,705 | 76.7 | 1,475 | 162,531 | 76.9 | 2,653 | 158,788 | 76.4 | 2,458 | Yes |
| 2-person Carpool | 19,670 | 10.3 | 655 | 17,688 | 8.4 | 1,417 | 17,802 | 8.6 | 1,396 | Yes |
| 3-or-more-person Carpool | 3,875 | 2.0 | 296 | 4,056 | 1.9 | 573 | 3,535 | 1.7 | 576 | No |
| Transit | 5,259 | 2.8 | 345 | 6,438 | 3.0 | 815 | 5,684 | 2.7 | 740 | No |
| Bike | 1,100 | 0.6 | 158 | 1,610 | 0.8 | 487 | 1,458 | 0.7 | 373 | No |
| Walked | 5,410 | 2.8 | 349 | 5,597 | 2.6 | 882 | 6,431 | 3.1 | 814 | Yes |
| Taxi, Motorcycle and Other means | 1,335 | 0.7 | 174 | 2,343 | 1.1 | 495 | 1,953 | 0.9 | 427 | Yes |
| Worked at Home | 7,840 | 4.1 | 419 | 11,038 | 5.2 | 916 | 12,137 | 5.8 | 1,275 | 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 | 201,435 | 100.0 | 1,545 | 219,711 | 100.0 | 3,012 | 216,346 | 100.0 | 2,787 | Yes |
| Drove alone | 155,875 | 77.4 | 1,495 | 170,436 | 77.6 | 2,889 | 167,541 | 77.4 | 2,850 | Yes |
| 2-person Carpool | 20,685 | 10.3 | 671 | 18,692 | 8.5 | 1,470 | 18,077 | 8.4 | 1,351 | Yes |
| 3-or-more-person Carpool | 4,020 | 2.0 | 302 | 3,771 | 1.7 | 574 | 3,450 | 1.6 | 533 | No |
| Transit | 5,264 | 2.6 | 345 | 6,417 | 2.9 | 807 | 5,619 | 2.6 | 730 | No |
| Bike | 1,085 | 0.5 | 157 | 1,608 | 0.7 | 494 | 1,440 | 0.7 | 372 | No |
| Walked | 5,445 | 2.7 | 351 | 5,636 | 2.6 | 877 | 6,402 | 3.0 | 804 | Yes |
| Taxi, Motorcycle and Other means | 1,225 | 0.6 | 167 | 2,113 | 1.0 | 420 | 1,680 | 0.8 | 392 | Yes |
| Worked at Home | 7,840 | 3.9 | 419 | 11,038 | 5.0 | 916 | 12,137 | 5.6 | 1,275 | 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) | 21.2 | 0.2 | 21.4 | 0.6 | 21.1 | 0.6 | No |
| Drove alone | 20.3 | 0.2 | 20.5 | 0.6 | 20.2 | 0.6 | No |
| Carpooled | 23.2 | 0.6 | 23.1 | 2.6 | 24.2 | 2.9 | No |
| Transit | 38.4 | 2.0 | 37.2 | 7.1 | 36.9 | 7.1 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 20.6 | 1.6 | 22.2 | 5.1 | 19.0 | 3.7 | 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
