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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 | 500,265 | -- | 531,159 | -- | 538,479 | 542,490 | -- | -- |
| Persons in Households 2 | 482,738 | 622 | 513,374 | -- | 521,325 | 525,804 | -- | -- |
| Total Households 3 | 188,974 | 478 | 196,558 | 1,411 | 202,651 | 201,107 | 1,340 | Yes |
| Average Number of Persons per Household 4 | 2.55 | 0.02 | 2.61 | 0.02 | 2.57 | 2.61 | 0.02 | Yes |
| Average Household Income 5 | $66,290 | $604 | $80,875 | $1,742 | -- | $83,251 | $1,462 | Yes |
| Average Number of Vehicles per Household 6 | 1.69 | 0.01 | 1.74 | 0.02 | -- | 1.77 | 0.02 | Yes |
| Percent of Persons in Poverty 7 | 8.40 | 0.20 | 10.00 | 0.69 | -- | 11.30 | 0.61 | Yes |
| Percent Minority 8 | 26.90 | 0.30 | 30.10 | 0.30 | 34.50 | 33.30 | 0.45 | Yes |
| Percent of Persons 65 and Over 9 | 11.60 | 0.20 | 11.90 | 0.31 | 12.30 | 12.60 | 0.30 | Yes |
| Percent of Persons Foreign Born 10 | 6.60 | 0.20 | 9.50 | 0.46 | -- | 10.00 | 0.39 | Yes |
| Total Workers at Place of Residence11 | 249,869 | 1,691 | 268,489 | 2,837 | -- | 261,921 | 2,723 | 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 | 245,135 | 100.0 | 1,691 | 259,195 | 100.0 | 2,575 | 256,269 | 100.0 | 2,777 | Yes |
| Drove alone | 193,565 | 79.0 | 1,647 | 203,267 | 78.4 | 3,208 | 204,516 | 79.8 | 3,068 | Yes |
| 2-person Carpool | 21,665 | 8.8 | 688 | 20,219 | 7.8 | 1,514 | 17,983 | 7.0 | 1,393 | Yes |
| 3-or-more-person Carpool | 5,175 | 2.1 | 342 | 4,536 | 1.8 | 765 | 4,675 | 1.8 | 658 | No |
| Transit | 9,399 | 3.8 | 459 | 12,821 | 4.9 | 1,369 | 10,672 | 4.2 | 1,052 | Yes |
| Bike | 465 | 0.2 | 103 | 862 | 0.3 | 347 | 673 | 0.3 | 222 | No |
| Walked | 6,750 | 2.8 | 390 | 7,248 | 2.8 | 1,011 | 5,812 | 2.3 | 672 | Yes |
| Taxi, Motorcycle and Other means | 1,685 | 0.7 | 196 | 1,517 | 0.6 | 379 | 1,494 | 0.6 | 357 | No |
| Worked at Home | 6,430 | 2.6 | 381 | 8,725 | 3.4 | 846 | 10,444 | 4.1 | 971 | 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 | 269,265 | 100.0 | 1,686 | 280,273 | 100.0 | 3,274 | 271,748 | 100.0 | 3,939 | No |
| Drove alone | 216,025 | 80.2 | 1,675 | 222,840 | 79.5 | 3,527 | 221,678 | 81.6 | 3,759 | Yes |
| 2-person Carpool | 23,795 | 8.8 | 720 | 22,539 | 8.0 | 1,589 | 17,934 | 6.6 | 1,422 | Yes |
| 3-or-more-person Carpool | 5,570 | 2.1 | 355 | 4,952 | 1.8 | 781 | 4,948 | 1.8 | 709 | No |
| Transit | 8,429 | 3.1 | 435 | 11,244 | 4.0 | 1,298 | 8,992 | 3.3 | 933 | No |
| Bike | 510 | 0.2 | 108 | 862 | 0.3 | 344 | 589 | 0.2 | 182 | No |
| Walked | 6,755 | 2.5 | 390 | 7,185 | 2.6 | 1,019 | 5,824 | 2.1 | 683 | Yes |
| Taxi, Motorcycle and Other means | 1,755 | 0.7 | 200 | 1,926 | 0.7 | 543 | 1,339 | 0.5 | 337 | Yes |
| Worked at Home | 6,430 | 2.4 | 381 | 8,725 | 3.1 | 846 | 10,444 | 3.8 | 971 | 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) | 24.3 | 0.2 | 24.2 | 0.6 | 25.1 | 0.5 | Yes |
| Drove alone | 23.6 | 0.2 | 23.4 | 0.7 | 24.1 | 0.6 | No |
| Carpooled | 24.8 | 0.6 | 25.5 | 2.8 | 25.8 | 2.7 | No |
| Transit | 41.8 | 1.7 | 41.5 | 6.7 | 49.3 | 7.6 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 18.8 | 1.2 | 15.3 | 3.7 | 16.0 | 2.9 | 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
