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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 | 950,265 | -- | 910,296 | -- | 919,040 | 919,268 | -- | -- |
| Persons in Households 2 | 919,540 | 698 | 882,260 | -- | 890,653 | 890,664 | -- | -- |
| Total Households 3 | 380,890 | 724 | 379,937 | 2,563 | 383,164 | 379,140 | 2,010 | No |
| Average Number of Persons per Household 4 | 2.41 | 0.01 | 2.32 | 0.01 | 2.32 | 2.35 | 0.01 | Yes |
| Average Household Income 5 | $49,995 | $302 | $62,856 | $996 | -- | $64,454 | $875 | Yes |
| Average Number of Vehicles per Household 6 | 1.46 | 0.01 | 1.52 | 0.02 | -- | 1.51 | 0.02 | Yes |
| Percent of Persons in Poverty 7 | 12.20 | 0.10 | 13.90 | 0.49 | -- | 14.60 | 0.44 | Yes |
| Percent Minority 8 | 17.70 | 0.20 | 18.70 | 0.17 | 20.00 | 20.30 | 0.18 | Yes |
| Percent of Persons 65 and Over 9 | 16.00 | 0.20 | 15.70 | 0.27 | 15.70 | 15.80 | 0.26 | No |
| Percent of Persons Foreign Born 10 | 4.50 | 0.10 | 5.70 | 0.29 | -- | 6.40 | 0.23 | Yes |
| Total Workers at Place of Residence11 | 431,638 | 1,964 | 437,853 | 3,674 | -- | 432,622 | 3,205 | 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 | 421,810 | 100.0 | 1,960 | 422,805 | 100.0 | 3,822 | 422,589 | 100.0 | 3,249 | No |
| Drove alone | 341,100 | 80.9 | 1,892 | 342,001 | 80.9 | 3,488 | 344,374 | 81.5 | 2,846 | No |
| 2-person Carpool | 34,595 | 8.2 | 739 | 29,267 | 6.9 | 1,659 | 26,614 | 6.3 | 1,431 | Yes |
| 3-or-more-person Carpool | 6,130 | 1.5 | 316 | 5,423 | 1.3 | 745 | 5,863 | 1.4 | 804 | No |
| Transit | 16,700 | 4.0 | 518 | 16,765 | 4.0 | 1,266 | 16,889 | 4.0 | 1,308 | No |
| Bike | 920 | 0.2 | 123 | 1,887 | 0.4 | 511 | 1,905 | 0.5 | 452 | Yes |
| Walked | 11,270 | 2.7 | 427 | 12,870 | 3.0 | 998 | 12,435 | 2.9 | 1,038 | Yes |
| Taxi, Motorcycle and Other means | 2,155 | 0.5 | 188 | 3,378 | 0.8 | 601 | 4,617 | 1.1 | 689 | Yes |
| Worked at Home | 8,950 | 2.1 | 381 | 11,214 | 2.7 | 933 | 9,892 | 2.3 | 896 | No |
| 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 | 446,320 | 100.0 | 1,969 | 451,582 | 100.0 | 4,565 | 451,187 | 100.0 | 3,644 | Yes |
| Drove alone | 363,670 | 81.5 | 1,917 | 367,940 | 81.5 | 3,730 | 370,914 | 82.2 | 3,356 | Yes |
| 2-person Carpool | 36,605 | 8.2 | 759 | 32,371 | 7.2 | 1,853 | 28,694 | 6.4 | 1,539 | Yes |
| 3-or-more-person Carpool | 6,140 | 1.4 | 316 | 5,859 | 1.3 | 772 | 6,340 | 1.4 | 866 | No |
| Transit | 16,710 | 3.7 | 518 | 16,575 | 3.7 | 1,253 | 16,755 | 3.7 | 1,259 | No |
| Bike | 920 | 0.2 | 123 | 1,842 | 0.4 | 508 | 1,793 | 0.4 | 428 | Yes |
| Walked | 11,175 | 2.5 | 425 | 12,657 | 2.8 | 982 | 12,448 | 2.8 | 1,027 | Yes |
| Taxi, Motorcycle and Other means | 2,155 | 0.5 | 188 | 3,124 | 0.7 | 535 | 4,351 | 1.0 | 675 | Yes |
| Worked at Home | 8,950 | 2.0 | 381 | 11,214 | 2.5 | 933 | 9,892 | 2.2 | 896 | No |
| 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) | 21.3 | 0.1 | 21.0 | 0.4 | 21.0 | 0.3 | No |
| Drove alone | 20.7 | 0.1 | 20.3 | 0.4 | 20.4 | 0.3 | No |
| Carpooled | 22.0 | 0.4 | 22.2 | 1.7 | 20.8 | 1.8 | No |
| Transit | 37.3 | 0.9 | 35.7 | 4.0 | 36.7 | 4.3 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 15.9 | 0.8 | 17.0 | 2.1 | 17.8 | 2.5 | 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
