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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 | 486,591 | -- | 540,432 | 89 | 520,116 | 522,770 | 148 | -- |
| Persons in Households 2 | 467,488 | 698 | 524,713 | -- | 499,410 | 500,690 | -- | -- |
| Total Households 3 | 192,884 | 642 | 200,829 | 2,125 | 205,390 | 200,627 | 2,418 | Yes |
| Average Number of Persons per Household 4 | 2.42 | 0.02 | 2.61 | 0.03 | 2.43 | 2.50 | 0.03 | Yes |
| Average Household Income 5 | $40,135 | $438 | $48,573 | $986 | -- | $49,293 | $1,496 | Yes |
| Average Number of Vehicles per Household 6 | 1.48 | 0.01 | 1.52 | 0.03 | -- | 1.51 | 0.03 | No |
| Percent of Persons in Poverty 7 | 18.40 | 0.30 | 20.70 | 1.04 | -- | 25.90 | 1.01 | Yes |
| Percent Minority 8 | 30.00 | 0.30 | 26.70 | 0.89 | 30.30 | 24.40 | 0.93 | Yes |
| Percent of Persons 65 and Over 9 | 12.00 | 0.20 | 11.70 | 0.37 | 11.90 | 12.40 | 0.36 | No |
| Percent of Persons Foreign Born 10 | 14.30 | 0.30 | 16.30 | 0.69 | -- | 15.10 | 0.59 | Yes |
| Total Workers at Place of Residence11 | 220,593 | 1,788 | 250,302 | 4,134 | -- | 223,537 | 3,979 | No |
| 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 | 216,315 | 100.0 | 1,785 | 243,792 | 100.0 | 3,619 | 219,424 | 100.0 | 3,962 | No |
| Drove alone | 153,495 | 71.0 | 1,669 | 178,254 | 73.1 | 3,794 | 163,366 | 74.5 | 3,668 | Yes |
| 2-person Carpool | 26,220 | 12.1 | 811 | 22,995 | 9.4 | 1,757 | 16,131 | 7.4 | 1,320 | Yes |
| 3-or-more-person Carpool | 7,680 | 3.6 | 448 | 5,347 | 2.2 | 965 | 5,125 | 2.3 | 841 | Yes |
| Transit | 7,374 | 3.4 | 439 | 8,872 | 3.6 | 1,023 | 7,525 | 3.4 | 890 | No |
| Bike | 4,790 | 2.2 | 355 | 4,602 | 1.9 | 685 | 6,039 | 2.8 | 950 | Yes |
| Walked | 7,440 | 3.4 | 441 | 8,780 | 3.6 | 1,102 | 7,772 | 3.5 | 869 | No |
| Taxi, Motorcycle and Other means | 3,080 | 1.4 | 285 | 5,898 | 2.4 | 905 | 5,043 | 2.3 | 735 | Yes |
| Worked at Home | 6,240 | 2.9 | 404 | 9,044 | 3.7 | 1,189 | 8,423 | 3.8 | 770 | 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 | 260,200 | 100.0 | 1,792 | 301,564 | 100.0 | 4,457 | 274,623 | 100.0 | 3,936 | Yes |
| Drove alone | 192,270 | 73.9 | 1,756 | 228,792 | 75.9 | 4,513 | 213,263 | 77.7 | 3,762 | Yes |
| 2-person Carpool | 30,675 | 11.8 | 873 | 27,611 | 9.2 | 1,983 | 19,965 | 7.3 | 1,524 | Yes |
| 3-or-more-person Carpool | 7,990 | 3.1 | 457 | 6,373 | 2.1 | 1,055 | 5,946 | 2.2 | 895 | Yes |
| Transit | 7,854 | 3.0 | 453 | 9,623 | 3.2 | 1,111 | 7,932 | 2.9 | 914 | No |
| Bike | 4,710 | 1.8 | 352 | 4,724 | 1.6 | 628 | 5,925 | 2.2 | 967 | Yes |
| Walked | 7,315 | 2.8 | 437 | 8,950 | 3.0 | 1,066 | 7,993 | 2.9 | 857 | No |
| Taxi, Motorcycle and Other means | 3,140 | 1.2 | 288 | 6,447 | 2.1 | 846 | 5,176 | 1.9 | 694 | Yes |
| Worked at Home | 6,240 | 2.4 | 404 | 9,044 | 3.0 | 1,189 | 8,423 | 3.1 | 770 | 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) | 21.6 | 0.2 | 21.5 | 0.6 | 21.8 | 0.7 | No |
| Drove alone | 20.3 | 0.2 | 20.5 | 0.7 | 20.6 | 0.7 | No |
| Carpooled | 24.5 | 0.6 | 23.5 | 2.4 | 26.3 | 3.2 | No |
| Transit | 44.1 | 2.1 | 46.0 | 7.9 | 46.7 | 8.4 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 17.9 | 0.9 | 16.8 | 2.3 | 16.9 | 2.1 | 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
