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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 | 1,188,204 | -- | 1,281,758 | 467 | 1,197,816 | 1,219,879 | 286 | -- |
| Persons in Households 2 | 1,167,024 | 584 | 1,257,878 | -- | 1,179,091 | 1,200,837 | -- | -- |
| Total Households 3 | 452,009 | 700 | 471,214 | 3,421 | 458,057 | 456,781 | 3,094 | Yes |
| Average Number of Persons per Household 4 | 2.58 | 0.01 | 2.67 | 0.02 | 2.57 | 2.63 | 0.02 | Yes |
| Average Household Income 5 | $57,575 | $357 | $67,856 | $1,252 | -- | $67,684 | $1,268 | Yes |
| Average Number of Vehicles per Household 6 | 1.46 | 0.01 | 1.52 | 0.02 | -- | 1.52 | 0.02 | Yes |
| Percent of Persons in Poverty 7 | 17.80 | 0.10 | 22.20 | 0.76 | -- | 24.20 | 0.72 | Yes |
| Percent Minority 8 | 49.10 | 0.20 | 43.30 | 0.73 | 49.30 | 43.50 | 0.73 | Yes |
| Percent of Persons 65 and Over 9 | 8.60 | 0.10 | 8.60 | 0.20 | 8.80 | 9.20 | 0.21 | Yes |
| Percent of Persons Foreign Born 10 | 24.40 | 0.20 | 25.20 | 0.51 | -- | 24.80 | 0.51 | No |
| Total Workers at Place of Residence11 | 549,429 | 2,199 | 625,395 | 6,815 | -- | 568,198 | 4,660 | 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 | 537,005 | 100.0 | 2,195 | 601,883 | 100.0 | 6,014 | 559,127 | 100.0 | 4,511 | Yes |
| Drove alone | 380,265 | 70.8 | 2,057 | 459,562 | 76.4 | 5,303 | 434,389 | 77.7 | 4,967 | Yes |
| 2-person Carpool | 64,245 | 12.0 | 997 | 53,416 | 8.9 | 3,088 | 43,615 | 7.8 | 2,653 | Yes |
| 3-or-more-person Carpool | 31,190 | 5.8 | 705 | 23,069 | 3.8 | 2,557 | 16,174 | 2.9 | 1,712 | Yes |
| Transit | 28,825 | 5.4 | 679 | 25,560 | 4.2 | 1,901 | 22,120 | 4.0 | 1,527 | Yes |
| Bike | 720 | 0.1 | 109 | 883 | 0.1 | 373 | 1,067 | 0.2 | 350 | No |
| Walked | 10,465 | 1.9 | 412 | 10,579 | 1.8 | 1,257 | 10,114 | 1.8 | 1,045 | No |
| Taxi, Motorcycle and Other means | 6,280 | 1.2 | 320 | 7,333 | 1.2 | 1,225 | 8,570 | 1.5 | 1,268 | Yes |
| Worked at Home | 15,020 | 2.8 | 493 | 21,481 | 3.6 | 1,591 | 23,078 | 4.1 | 1,828 | 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 | 766,190 | 100.0 | 2,111 | 834,002 | 100.0 | 7,732 | 795,719 | 100.0 | 6,986 | Yes |
| Drove alone | 589,850 | 77.0 | 2,205 | 664,451 | 79.7 | 7,214 | 634,909 | 79.8 | 6,219 | Yes |
| 2-person Carpool | 81,345 | 10.6 | 1,114 | 70,416 | 8.4 | 3,067 | 64,966 | 8.2 | 3,134 | Yes |
| 3-or-more-person Carpool | 29,090 | 3.8 | 682 | 22,280 | 2.7 | 2,200 | 18,843 | 2.4 | 1,675 | Yes |
| Transit | 32,120 | 4.2 | 715 | 33,719 | 4.0 | 2,074 | 30,016 | 3.8 | 1,864 | Yes |
| Bike | 775 | 0.1 | 113 | 1,041 | 0.1 | 366 | 1,098 | 0.1 | 357 | No |
| Walked | 10,295 | 1.3 | 409 | 9,998 | 1.2 | 1,105 | 10,891 | 1.4 | 1,126 | No |
| Taxi, Motorcycle and Other means | 7,695 | 1.0 | 354 | 10,616 | 1.3 | 1,254 | 11,918 | 1.5 | 1,491 | Yes |
| Worked at Home | 15,020 | 2.0 | 493 | 21,481 | 2.6 | 1,591 | 23,078 | 2.9 | 1,828 | 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) | 26.9 | 0.1 | 25.3 | 0.5 | 25.2 | 0.4 | Yes |
| Drove alone | 24.6 | 0.1 | 23.5 | 0.4 | 23.6 | 0.5 | Yes |
| Carpooled | 29.9 | 0.3 | 30.1 | 2.4 | 27.9 | 2.5 | No |
| Transit | 50.3 | 1.0 | 47.1 | 5.1 | 51.4 | 5.2 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 23.3 | 0.9 | 20.2 | 4.1 | 21.0 | 3.0 | 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
