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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 | 588,448 | -- | 790,383 | -- | 805,321 | 825,375 | -- | -- |
| Persons in Households 2 | 581,994 | 411 | 786,150 | -- | 799,639 | 820,289 | -- | -- |
| Total Households 3 | 202,567 | 427 | 256,481 | 1,806 | 268,519 | 267,526 | 1,883 | Yes |
| Average Number of Persons per Household 4 | 2.87 | 0.01 | 3.07 | 0.02 | 2.98 | 3.07 | 0.02 | Yes |
| Average Household Income 5 | $71,800 | $611 | $77,985 | $1,185 | -- | $75,686 | $1,981 | Yes |
| Average Number of Vehicles per Household 6 | 1.97 | 0.01 | 1.96 | 0.02 | -- | 1.90 | 0.03 | Yes |
| Percent of Persons in Poverty 7 | 5.70 | 0.20 | 10.80 | 0.69 | -- | 14.40 | 0.87 | Yes |
| Percent Minority 8 | 27.30 | 0.30 | 42.30 | 0.55 | 46.70 | 47.50 | 0.77 | Yes |
| Percent of Persons 65 and Over 9 | 5.30 | 0.20 | 6.60 | 0.21 | 6.80 | 7.30 | 0.26 | Yes |
| Percent of Persons Foreign Born 10 | 16.90 | 0.30 | 23.70 | 0.51 | -- | 24.50 | 0.59 | Yes |
| Total Workers at Place of Residence11 | 314,783 | 1,970 | 400,572 | 3,464 | -- | 386,234 | 4,177 | 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 | 309,795 | 100.0 | 1,972 | 379,200 | 100.0 | 3,252 | 375,290 | 100.0 | 4,545 | Yes |
| Drove alone | 246,885 | 79.7 | 1,949 | 297,878 | 78.6 | 4,053 | 298,661 | 79.6 | 4,611 | Yes |
| 2-person Carpool | 30,645 | 9.9 | 878 | 33,611 | 8.9 | 2,033 | 32,091 | 8.6 | 2,729 | No |
| 3-or-more-person Carpool | 13,045 | 4.2 | 582 | 11,002 | 2.9 | 1,425 | 10,528 | 2.8 | 1,722 | Yes |
| Transit | 2,205 | 0.7 | 241 | 4,323 | 1.1 | 723 | 3,486 | 0.9 | 603 | Yes |
| Bike | 160 | 0.1 | 65 | 82 | 0.0 | 80 | 244 | 0.1 | 177 | No |
| Walked | 2,495 | 0.8 | 257 | 3,375 | 0.9 | 660 | 2,991 | 0.8 | 789 | No |
| Taxi, Motorcycle and Other means | 2,665 | 0.9 | 265 | 10,202 | 2.7 | 1,569 | 7,390 | 2.0 | 1,533 | Yes |
| Worked at Home | 11,705 | 3.8 | 552 | 18,727 | 4.9 | 1,408 | 19,899 | 5.3 | 1,567 | 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 | 284,080 | 100.0 | 1,974 | 348,305 | 100.0 | 4,745 | 333,805 | 100.0 | 5,901 | Yes |
| Drove alone | 223,780 | 78.8 | 1,918 | 276,430 | 79.4 | 4,782 | 269,810 | 80.8 | 4,850 | Yes |
| 2-person Carpool | 29,165 | 10.3 | 857 | 29,350 | 8.4 | 1,790 | 26,711 | 8.0 | 1,999 | Yes |
| 3-or-more-person Carpool | 12,405 | 4.4 | 567 | 10,203 | 2.9 | 1,594 | 8,074 | 2.4 | 1,448 | Yes |
| Transit | 1,889 | 0.7 | 223 | 2,323 | 0.7 | 716 | 1,784 | 0.5 | 668 | No |
| Bike | 160 | 0.1 | 65 | 67 | 0.0 | 65 | 241 | 0.1 | 178 | No |
| Walked | 2,360 | 0.8 | 250 | 3,249 | 0.9 | 619 | 2,606 | 0.8 | 681 | No |
| Taxi, Motorcycle and Other means | 2,610 | 0.9 | 263 | 7,956 | 2.3 | 1,302 | 4,680 | 1.4 | 999 | Yes |
| Worked at Home | 11,705 | 4.1 | 552 | 18,727 | 5.4 | 1,408 | 19,899 | 6.0 | 1,567 | 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) | 32.2 | 0.2 | 32.1 | 0.6 | 31.4 | 0.8 | No |
| Drove alone | 31.9 | 0.3 | 31.1 | 0.7 | 30.5 | 0.8 | Yes |
| Carpooled | 33.3 | 0.7 | 34.5 | 2.9 | 33.3 | 3.8 | No |
| Transit | 51.8 | 3.4 | 64.5 | 18.5 | 58.7 | 14.5 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 30.4 | 2.6 | 37.1 | 8.8 | 39.2 | 10.7 | 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
