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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 | 801,515 | -- | 832,591 | -- | 863,420 | 873,629 | -- | -- |
| Persons in Households 2 | 784,120 | 672 | 811,325 | -- | 844,092 | 853,358 | -- | -- |
| Total Households 3 | 286,650 | 629 | 296,927 | 1,577 | 304,042 | 302,436 | 1,412 | Yes |
| Average Number of Persons per Household 4 | 2.74 | 0.01 | 2.73 | 0.01 | 2.78 | 2.82 | 0.01 | Yes |
| Average Household Income 5 | $64,420 | $454 | $84,283 | $1,091 | -- | $87,552 | $1,113 | Yes |
| Average Number of Vehicles per Household 6 | 1.64 | 0.01 | 1.75 | 0.02 | -- | 1.70 | 0.02 | Yes |
| Percent of Persons in Poverty 7 | 7.70 | 0.20 | 7.20 | 0.45 | -- | 9.60 | 0.51 | Yes |
| Percent Minority 8 | 73.00 | 0.30 | 76.70 | 0.41 | 80.80 | 78.50 | 0.40 | Yes |
| Percent of Persons 65 and Over 9 | 7.70 | 0.20 | 9.20 | 0.22 | 9.40 | 9.90 | 0.21 | Yes |
| Percent of Persons Foreign Born 10 | 13.80 | 0.20 | 18.60 | 0.47 | -- | 20.40 | 0.43 | Yes |
| Total Workers at Place of Residence11 | 406,053 | 2,305 | 450,396 | 3,589 | -- | 456,828 | 3,605 | 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 | 397,405 | 100.0 | 2,305 | 433,179 | 100.0 | 3,558 | 446,820 | 100.0 | 3,555 | Yes |
| Drove alone | 265,310 | 66.8 | 2,170 | 281,608 | 65.0 | 3,841 | 288,186 | 64.5 | 4,056 | Yes |
| 2-person Carpool | 47,540 | 12.0 | 1,089 | 35,385 | 8.2 | 1,929 | 37,901 | 8.5 | 2,079 | Yes |
| 3-or-more-person Carpool | 16,780 | 4.2 | 660 | 16,293 | 3.8 | 1,397 | 17,134 | 3.8 | 1,605 | No |
| Transit | 46,295 | 11.6 | 1,076 | 74,005 | 17.1 | 2,431 | 78,666 | 17.6 | 2,694 | Yes |
| Bike | 775 | 0.2 | 143 | 1,533 | 0.4 | 439 | 898 | 0.2 | 227 | No |
| Walked | 8,830 | 2.2 | 481 | 9,214 | 2.1 | 1,030 | 9,741 | 2.2 | 983 | No |
| Taxi, Motorcycle and Other means | 3,820 | 1.0 | 318 | 2,897 | 0.7 | 538 | 2,790 | 0.6 | 487 | Yes |
| Worked at Home | 8,050 | 2.0 | 460 | 12,244 | 2.8 | 947 | 11,504 | 2.6 | 1,087 | 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 | 295,285 | 100.0 | 2,224 | 325,755 | 100.0 | 5,104 | 326,583 | 100.0 | 5,483 | Yes |
| Drove alone | 222,405 | 75.3 | 2,064 | 239,031 | 73.4 | 4,619 | 237,815 | 72.8 | 4,675 | Yes |
| 2-person Carpool | 30,730 | 10.4 | 885 | 28,042 | 8.6 | 1,870 | 29,373 | 9.0 | 2,204 | No |
| 3-or-more-person Carpool | 9,650 | 3.3 | 503 | 11,306 | 3.5 | 1,106 | 9,634 | 2.9 | 1,071 | No |
| Transit | 12,595 | 4.3 | 573 | 21,403 | 6.6 | 1,572 | 25,419 | 7.8 | 1,803 | Yes |
| Bike | 695 | 0.2 | 136 | 1,291 | 0.4 | 382 | 878 | 0.3 | 203 | No |
| Walked | 8,595 | 2.9 | 475 | 9,807 | 3.0 | 1,085 | 9,496 | 2.9 | 965 | No |
| Taxi, Motorcycle and Other means | 2,565 | 0.9 | 260 | 2,631 | 0.8 | 421 | 2,464 | 0.8 | 434 | No |
| Worked at Home | 8,050 | 2.7 | 460 | 12,244 | 3.8 | 947 | 11,504 | 3.5 | 1,087 | 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) | 35.9 | 0.2 | 35.8 | 0.5 | 35.8 | 0.6 | No |
| Drove alone | 33.2 | 0.3 | 32.2 | 0.7 | 32.2 | 0.7 | Yes |
| Carpooled | 37.3 | 0.6 | 34.2 | 2.4 | 35.5 | 2.8 | No |
| Transit | 53.8 | 0.8 | 53.2 | 2.8 | 51.6 | 2.7 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 20.0 | 1.1 | 20.9 | 3.8 | 20.8 | 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
