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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 | 320,677 | -- | 366,205 | -- | 384,504 | 389,648 | -- | -- |
| Persons in Households 2 | 292,620 | 647 | 338,306 | -- | 352,502 | 359,726 | -- | -- |
| Total Households 3 | 120,034 | 384 | 139,833 | 1,633 | 145,194 | 142,881 | 1,641 | Yes |
| Average Number of Persons per Household 4 | 2.44 | 0.02 | 2.42 | 0.02 | 2.43 | 2.52 | 0.03 | Yes |
| Average Household Income 5 | $53,815 | $605 | $65,058 | $1,763 | -- | $64,143 | $1,624 | Yes |
| Average Number of Vehicles per Household 6 | 1.66 | 0.01 | 1.74 | 0.03 | -- | 1.73 | 0.03 | Yes |
| Percent of Persons in Poverty 7 | 13.70 | 0.30 | 14.00 | 0.98 | -- | 17.20 | 1.11 | Yes |
| Percent Minority 8 | 49.80 | 0.40 | 51.40 | 0.29 | 52.70 | 52.80 | 0.31 | Yes |
| Percent of Persons 65 and Over 9 | 9.70 | 0.20 | 9.80 | 0.35 | 9.80 | 10.10 | 0.36 | No |
| Percent of Persons Foreign Born 10 | 3.90 | 0.10 | 5.30 | 0.39 | -- | 5.20 | 0.32 | Yes |
| Total Workers at Place of Residence11 | 159,930 | 1,146 | 187,576 | 2,900 | -- | 188,119 | 3,168 | 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 | 155,970 | 100.0 | 1,145 | 180,397 | 100.0 | 2,526 | 183,692 | 100.0 | 2,940 | Yes |
| Drove alone | 119,580 | 76.7 | 1,108 | 138,532 | 76.8 | 2,721 | 144,841 | 78.8 | 2,995 | Yes |
| 2-person Carpool | 14,485 | 9.3 | 476 | 13,064 | 7.2 | 1,313 | 11,086 | 6.0 | 1,173 | Yes |
| 3-or-more-person Carpool | 4,475 | 2.9 | 269 | 4,925 | 2.7 | 782 | 2,753 | 1.5 | 568 | Yes |
| Transit | 2,740 | 1.8 | 211 | 2,229 | 1.2 | 537 | 1,867 | 1.0 | 403 | Yes |
| Bike | 290 | 0.2 | 69 | 417 | 0.2 | 216 | 383 | 0.2 | 130 | No |
| Walked | 8,435 | 5.4 | 367 | 3,753 | 2.1 | 887 | 8,690 | 4.7 | 1,122 | No |
| Taxi, Motorcycle and Other means | 2,490 | 1.6 | 201 | 3,479 | 1.9 | 733 | 4,254 | 2.3 | 848 | Yes |
| Worked at Home | 3,470 | 2.2 | 237 | 13,998 | 7.8 | 1,420 | 9,818 | 5.3 | 1,208 | 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 | 198,090 | 100.0 | 1,113 | 222,654 | 100.0 | 3,553 | 221,999 | 100.0 | 3,640 | Yes |
| Drove alone | 155,630 | 78.6 | 1,145 | 175,067 | 78.6 | 3,108 | 178,955 | 80.6 | 3,382 | Yes |
| 2-person Carpool | 18,810 | 9.5 | 538 | 16,616 | 7.5 | 1,275 | 13,710 | 6.2 | 1,312 | Yes |
| 3-or-more-person Carpool | 5,505 | 2.8 | 298 | 6,056 | 2.7 | 844 | 3,822 | 1.7 | 621 | Yes |
| Transit | 2,694 | 1.4 | 209 | 2,327 | 1.0 | 579 | 1,995 | 0.9 | 361 | Yes |
| Bike | 260 | 0.1 | 65 | 478 | 0.2 | 239 | 421 | 0.2 | 145 | Yes |
| Walked | 8,800 | 4.4 | 374 | 4,446 | 2.0 | 906 | 9,168 | 4.1 | 1,090 | No |
| Taxi, Motorcycle and Other means | 2,920 | 1.5 | 218 | 3,666 | 1.6 | 587 | 4,110 | 1.9 | 849 | Yes |
| Worked at Home | 3,470 | 1.8 | 237 | 13,998 | 6.3 | 1,420 | 9,818 | 4.4 | 1,208 | 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) | 21.7 | 0.2 | 21.5 | 0.6 | 20.7 | 0.6 | Yes |
| Drove alone | 21.8 | 0.2 | 21.1 | 0.7 | 21.1 | 0.7 | No |
| Carpooled | 24.1 | 0.7 | 23.6 | 2.9 | 24.2 | 3.9 | No |
| Transit | 34.3 | 2.4 | 40.3 | 15.6 | 35.6 | 11.8 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 14.4 | 0.8 | 19.6 | 5.0 | 10.9 | 2.0 | Yes |
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
