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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 | 1,048,319 | -- | 1,053,907 | 0 | 1,052,567 | 1,051,236 | 0 | -- |
| Persons in Households 2 | 1,009,430 | 925 | 1,015,624 | -- | 1,009,904 | 1,009,347 | -- | -- |
| Total Households 3 | 408,412 | 817 | 402,882 | 1,985 | 413,600 | 409,308 | 2,467 | No |
| Average Number of Persons per Household 4 | 2.47 | 0.01 | 2.52 | 0.01 | 2.44 | 2.47 | 0.01 | No |
| Average Household Income 5 | $54,765 | $379 | $72,036 | $977 | -- | $73,349 | $1,052 | Yes |
| Average Number of Vehicles per Household 6 | 1.61 | 0.01 | 1.71 | 0.02 | -- | 1.66 | 0.02 | Yes |
| Percent of Persons in Poverty 7 | 11.90 | 0.20 | 11.90 | 0.52 | -- | 14.20 | 0.56 | Yes |
| Percent Minority 8 | 15.00 | 0.20 | 17.20 | 0.30 | 18.60 | 18.50 | 0.38 | Yes |
| Percent of Persons 65 and Over 9 | 14.60 | 0.20 | 14.10 | 0.25 | 14.40 | 14.70 | 0.23 | No |
| Percent of Persons Foreign Born 10 | 11.40 | 0.10 | 12.70 | 0.35 | -- | 13.20 | 0.32 | Yes |
| Total Workers at Place of Residence11 | 504,494 | 2,446 | 528,623 | 4,303 | -- | 508,795 | 3,961 | 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 | 490,905 | 100.0 | 2,443 | 504,470 | 100.0 | 4,382 | 495,901 | 100.0 | 3,868 | Yes |
| Drove alone | 393,320 | 80.1 | 2,371 | 406,628 | 80.6 | 4,901 | 396,010 | 79.9 | 4,064 | No |
| 2-person Carpool | 41,360 | 8.4 | 953 | 33,546 | 6.6 | 2,016 | 32,093 | 6.5 | 1,860 | Yes |
| 3-or-more-person Carpool | 9,645 | 2.0 | 467 | 9,921 | 2.0 | 1,067 | 10,113 | 2.0 | 1,176 | No |
| Transit | 11,810 | 2.4 | 517 | 14,167 | 2.8 | 1,313 | 14,740 | 3.0 | 1,237 | Yes |
| Bike | 1,340 | 0.3 | 175 | 1,495 | 0.3 | 351 | 2,237 | 0.5 | 499 | Yes |
| Walked | 18,715 | 3.8 | 648 | 15,723 | 3.1 | 1,259 | 17,672 | 3.6 | 1,163 | No |
| Taxi, Motorcycle and Other means | 3,715 | 0.8 | 291 | 5,528 | 1.1 | 983 | 5,525 | 1.1 | 794 | Yes |
| Worked at Home | 10,995 | 2.2 | 499 | 17,462 | 3.5 | 1,259 | 17,511 | 3.5 | 1,223 | 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 | 458,535 | 100.0 | 2,429 | 481,643 | 100.0 | 5,197 | 477,062 | 100.0 | 4,646 | Yes |
| Drove alone | 369,865 | 80.7 | 2,340 | 390,173 | 81.0 | 5,108 | 386,025 | 80.9 | 4,529 | Yes |
| 2-person Carpool | 37,350 | 8.1 | 908 | 31,615 | 6.6 | 1,858 | 28,918 | 6.1 | 1,689 | Yes |
| 3-or-more-person Carpool | 8,230 | 1.8 | 432 | 9,224 | 1.9 | 1,100 | 8,360 | 1.8 | 1,097 | No |
| Transit | 9,025 | 2.0 | 452 | 10,852 | 2.3 | 1,263 | 11,700 | 2.5 | 1,095 | Yes |
| Bike | 1,290 | 0.3 | 172 | 1,433 | 0.3 | 325 | 2,238 | 0.5 | 505 | Yes |
| Walked | 18,510 | 4.0 | 645 | 15,781 | 3.3 | 1,245 | 17,873 | 3.7 | 1,191 | No |
| Taxi, Motorcycle and Other means | 3,270 | 0.7 | 273 | 5,103 | 1.1 | 906 | 4,437 | 0.9 | 719 | Yes |
| Worked at Home | 10,995 | 2.4 | 499 | 17,462 | 3.6 | 1,259 | 17,511 | 3.7 | 1,223 | 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) | 22.5 | 0.2 | 23.2 | 0.4 | 23.6 | 0.4 | Yes |
| Drove alone | 22.1 | 0.2 | 22.5 | 0.5 | 23.1 | 0.4 | Yes |
| Carpooled | 24.0 | 0.5 | 25.5 | 2.0 | 24.7 | 2.1 | No |
| Transit | 45.5 | 1.8 | 48.5 | 7.0 | 47.2 | 5.9 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 14.1 | 0.6 | 14.6 | 2.4 | 16.4 | 2.2 | 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
