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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 | 489,656 | -- | 516,137 | -- | 537,656 | 544,889 | -- | -- |
| Persons in Households 2 | 473,766 | 639 | 497,620 | -- | 523,523 | 529,696 | -- | -- |
| Total Households 3 | 178,754 | 455 | 190,093 | 1,981 | 199,378 | 199,577 | 1,513 | Yes |
| Average Number of Persons per Household 4 | 2.65 | 0.02 | 2.62 | 0.02 | 2.63 | 2.65 | 0.02 | No |
| Average Household Income 5 | $74,090 | $697 | $100,976 | $2,041 | -- | $106,061 | $2,114 | Yes |
| Average Number of Vehicles per Household 6 | 1.92 | 0.02 | 2.02 | 0.03 | -- | 1.99 | 0.03 | Yes |
| Percent of Persons in Poverty 7 | 5.10 | 0.20 | 5.40 | 0.60 | -- | 5.80 | 0.64 | Yes |
| Percent Minority 8 | 18.70 | 0.30 | 22.30 | 0.27 | 24.60 | 24.80 | 0.41 | Yes |
| Percent of Persons 65 and Over 9 | 10.00 | 0.20 | 11.40 | 0.33 | 11.80 | 12.30 | 0.33 | Yes |
| Percent of Persons Foreign Born 10 | 4.70 | 0.20 | 7.00 | 0.35 | -- | 7.80 | 0.45 | Yes |
| Total Workers at Place of Residence11 | 261,695 | 1,797 | 272,105 | 3,400 | -- | 288,585 | 2,967 | 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 | 255,860 | 100.0 | 1,800 | 263,104 | 100.0 | 3,173 | 281,978 | 100.0 | 2,979 | Yes |
| Drove alone | 205,415 | 80.3 | 1,778 | 214,436 | 81.5 | 3,353 | 226,666 | 80.4 | 3,174 | Yes |
| 2-person Carpool | 21,960 | 8.6 | 746 | 19,246 | 7.3 | 1,395 | 20,231 | 7.2 | 1,539 | Yes |
| 3-or-more-person Carpool | 5,345 | 2.1 | 374 | 4,578 | 1.7 | 694 | 4,910 | 1.7 | 863 | No |
| Transit | 5,815 | 2.3 | 390 | 8,429 | 3.2 | 1,011 | 9,055 | 3.2 | 1,149 | Yes |
| Bike | 395 | 0.2 | 102 | 745 | 0.3 | 383 | 285 | 0.1 | 143 | No |
| Walked | 5,965 | 2.3 | 395 | 4,367 | 1.7 | 664 | 4,698 | 1.7 | 758 | Yes |
| Taxi, Motorcycle and Other means | 2,200 | 0.9 | 241 | 2,135 | 0.8 | 502 | 2,823 | 1.0 | 883 | No |
| Worked at Home | 8,765 | 3.4 | 478 | 9,168 | 3.5 | 748 | 13,310 | 4.7 | 1,182 | 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 | 225,115 | 100.0 | 1,796 | 245,917 | 100.0 | 4,765 | 275,730 | 100.0 | 4,518 | Yes |
| Drove alone | 179,070 | 79.5 | 1,736 | 200,067 | 81.4 | 4,389 | 221,377 | 80.3 | 4,219 | Yes |
| 2-person Carpool | 19,645 | 8.7 | 707 | 19,141 | 7.8 | 1,495 | 21,267 | 7.7 | 1,629 | No |
| 3-or-more-person Carpool | 5,295 | 2.4 | 373 | 5,079 | 2.1 | 725 | 5,988 | 2.2 | 866 | No |
| Transit | 3,255 | 1.4 | 293 | 4,543 | 1.8 | 717 | 5,570 | 2.0 | 895 | Yes |
| Bike | 420 | 0.2 | 105 | 747 | 0.3 | 384 | 260 | 0.1 | 131 | No |
| Walked | 6,350 | 2.8 | 408 | 4,854 | 2.0 | 697 | 4,782 | 1.7 | 735 | Yes |
| Taxi, Motorcycle and Other means | 2,320 | 1.0 | 247 | 2,318 | 0.9 | 447 | 3,176 | 1.2 | 707 | Yes |
| Worked at Home | 8,765 | 3.9 | 478 | 9,168 | 3.7 | 748 | 13,310 | 4.8 | 1,182 | 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) | 28.9 | 0.3 | 28.9 | 0.6 | 29.8 | 0.7 | Yes |
| Drove alone | 28.3 | 0.3 | 28.0 | 0.7 | 28.8 | 0.7 | No |
| Carpooled | 31.1 | 0.8 | 29.4 | 3.0 | 29.5 | 3.4 | No |
| Transit | 58.4 | 2.4 | 60.3 | 10.7 | 67.2 | 13.7 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 16.8 | 1.3 | 17.7 | 4.1 | 18.8 | 5.4 | 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
