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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 | 399,477 | -- | 403,267 | 43 | 390,724 | 396,030 | 70 | -- |
| Persons in Households 2 | 392,308 | 432 | 399,171 | -- | 382,586 | 389,500 | -- | -- |
| Total Households 3 | 150,971 | 408 | 158,845 | 2,180 | 153,791 | 154,737 | 1,619 | Yes |
| Average Number of Persons per Household 4 | 2.60 | 0.02 | 2.51 | 0.03 | 2.49 | 2.52 | 0.03 | Yes |
| Average Household Income 5 | $57,265 | $774 | $74,055 | $1,905 | -- | $76,424 | $1,946 | Yes |
| Average Number of Vehicles per Household 6 | 1.35 | 0.02 | 1.40 | 0.03 | -- | 1.40 | 0.02 | Yes |
| Percent of Persons in Poverty 7 | 19.40 | 0.30 | 17.30 | 1.08 | -- | 21.90 | 1.09 | Yes |
| Percent Minority 8 | 68.70 | 0.40 | 61.30 | 1.09 | 65.50 | 59.00 | 0.98 | Yes |
| Percent of Persons 65 and Over 9 | 10.50 | 0.20 | 10.70 | 0.43 | 11.10 | 11.60 | 0.41 | Yes |
| Percent of Persons Foreign Born 10 | 26.60 | 0.40 | 28.20 | 0.84 | -- | 26.80 | 0.89 | No |
| Total Workers at Place of Residence11 | 174,802 | 1,615 | 201,644 | 3,842 | -- | 183,644 | 2,775 | 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 | 170,505 | 100.0 | 1,610 | 189,351 | 100.0 | 3,357 | 177,885 | 100.0 | 2,902 | Yes |
| Drove alone | 94,335 | 55.3 | 1,382 | 108,888 | 57.5 | 2,558 | 98,362 | 55.3 | 2,622 | Yes |
| 2-person Carpool | 17,075 | 10.0 | 658 | 12,564 | 6.6 | 1,219 | 12,306 | 6.9 | 1,135 | Yes |
| 3-or-more-person Carpool | 11,320 | 6.6 | 540 | 6,390 | 3.4 | 839 | 6,889 | 3.9 | 814 | Yes |
| Transit | 29,500 | 17.3 | 851 | 31,929 | 16.9 | 1,947 | 32,767 | 18.4 | 1,769 | Yes |
| Bike | 2,085 | 1.2 | 235 | 4,015 | 2.1 | 713 | 4,715 | 2.7 | 859 | Yes |
| Walked | 6,355 | 3.7 | 407 | 8,244 | 4.4 | 1,024 | 7,771 | 4.4 | 904 | Yes |
| Taxi, Motorcycle and Other means | 2,905 | 1.7 | 277 | 5,004 | 2.6 | 809 | 2,884 | 1.6 | 491 | No |
| Worked at Home | 6,940 | 4.1 | 425 | 12,317 | 6.5 | 1,092 | 12,191 | 6.9 | 1,079 | 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 | 181,760 | 100.0 | 1,621 | 203,172 | 100.0 | 4,253 | 191,273 | 100.0 | 4,204 | Yes |
| Drove alone | 116,050 | 63.8 | 1,478 | 130,045 | 64.0 | 3,656 | 121,435 | 63.5 | 3,155 | Yes |
| 2-person Carpool | 17,975 | 9.9 | 675 | 13,972 | 6.9 | 1,352 | 14,073 | 7.4 | 1,223 | Yes |
| 3-or-more-person Carpool | 6,755 | 3.7 | 420 | 4,604 | 2.3 | 759 | 4,351 | 2.3 | 698 | Yes |
| Transit | 24,070 | 13.2 | 775 | 27,811 | 13.7 | 1,873 | 26,090 | 13.6 | 1,366 | Yes |
| Bike | 1,485 | 0.8 | 198 | 3,282 | 1.6 | 709 | 3,000 | 1.6 | 473 | Yes |
| Walked | 5,875 | 3.2 | 392 | 7,471 | 3.7 | 900 | 7,174 | 3.8 | 832 | Yes |
| Taxi, Motorcycle and Other means | 2,605 | 1.4 | 262 | 3,670 | 1.8 | 617 | 2,959 | 1.5 | 444 | No |
| Worked at Home | 6,940 | 3.8 | 425 | 12,317 | 6.1 | 1,092 | 12,191 | 6.4 | 1,079 | 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) | 31.1 | 0.4 | 28.0 | 1.0 | 28.3 | 0.9 | Yes |
| Drove alone | 27.5 | 0.4 | 24.3 | 1.0 | 24.6 | 1.1 | Yes |
| Carpooled | 33.2 | 0.8 | 31.7 | 3.7 | 28.6 | 3.1 | Yes |
| Transit | 44.6 | 0.9 | 42.1 | 4.0 | 42.8 | 3.5 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 21.0 | 1.1 | 20.8 | 2.9 | 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
