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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 | 559,062 | -- | 535,195 | -- | 535,153 | 535,057 | -- | -- |
| Persons in Households 2 | 543,469 | 498 | 519,175 | -- | 521,011 | 515,686 | -- | -- |
| Total Households 3 | 229,177 | 539 | 222,246 | 1,783 | 223,943 | 222,279 | 1,440 | Yes |
| Average Number of Persons per Household 4 | 2.37 | 0.01 | 2.34 | 0.02 | 2.33 | 2.32 | 0.01 | Yes |
| Average Household Income 5 | $52,290 | $398 | $57,669 | $1,072 | -- | $56,726 | $1,047 | Yes |
| Average Number of Vehicles per Household 6 | 1.65 | 0.01 | 1.68 | 0.02 | -- | 1.65 | 0.02 | No |
| Percent of Persons in Poverty 7 | 11.30 | 0.20 | 15.60 | 0.74 | -- | 18.30 | 0.65 | Yes |
| Percent Minority 8 | 23.50 | 0.20 | 24.50 | 0.16 | 26.10 | 26.10 | 0.17 | Yes |
| Percent of Persons 65 and Over 9 | 13.70 | 0.20 | 14.90 | 0.33 | 15.10 | 15.50 | 0.36 | Yes |
| Percent of Persons Foreign Born 10 | 2.50 | 0.10 | 3.20 | 0.22 | -- | 3.80 | 0.27 | Yes |
| Total Workers at Place of Residence11 | 264,886 | 1,511 | 249,227 | 3,052 | -- | 233,638 | 2,696 | 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 | 259,420 | 100.0 | 1,509 | 240,418 | 100.0 | 3,023 | 228,590 | 100.0 | 2,677 | Yes |
| Drove alone | 217,160 | 83.7 | 1,475 | 196,893 | 81.9 | 3,016 | 186,382 | 81.5 | 2,906 | Yes |
| 2-person Carpool | 19,025 | 7.3 | 549 | 17,831 | 7.4 | 1,652 | 16,795 | 7.3 | 1,199 | Yes |
| 3-or-more-person Carpool | 3,190 | 1.2 | 228 | 3,900 | 1.6 | 737 | 3,055 | 1.3 | 532 | No |
| Transit | 6,840 | 2.6 | 333 | 6,714 | 2.8 | 898 | 5,192 | 2.3 | 757 | Yes |
| Bike | 375 | 0.1 | 78 | 627 | 0.3 | 206 | 745 | 0.3 | 309 | Yes |
| Walked | 5,745 | 2.2 | 305 | 5,688 | 2.4 | 830 | 6,475 | 2.8 | 609 | Yes |
| Taxi, Motorcycle and Other means | 1,355 | 0.5 | 149 | 1,767 | 0.7 | 401 | 2,514 | 1.1 | 536 | Yes |
| Worked at Home | 5,720 | 2.2 | 304 | 6,998 | 2.9 | 898 | 7,432 | 3.3 | 798 | 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 | 288,140 | 100.0 | 1,512 | 265,894 | 100.0 | 3,787 | 248,887 | 100.0 | 3,411 | Yes |
| Drove alone | 243,985 | 84.7 | 1,500 | 220,655 | 83.0 | 3,479 | 204,901 | 82.3 | 3,264 | Yes |
| 2-person Carpool | 20,925 | 7.3 | 574 | 19,175 | 7.2 | 1,725 | 18,938 | 7.6 | 1,378 | Yes |
| 3-or-more-person Carpool | 3,325 | 1.2 | 233 | 3,982 | 1.5 | 690 | 3,180 | 1.3 | 487 | No |
| Transit | 6,530 | 2.3 | 325 | 6,571 | 2.5 | 906 | 5,050 | 2.0 | 759 | Yes |
| Bike | 350 | 0.1 | 76 | 536 | 0.2 | 196 | 621 | 0.2 | 260 | Yes |
| Walked | 5,800 | 2.0 | 307 | 5,912 | 2.2 | 838 | 6,548 | 2.6 | 603 | Yes |
| Taxi, Motorcycle and Other means | 1,505 | 0.5 | 157 | 2,065 | 0.8 | 428 | 2,217 | 0.9 | 463 | Yes |
| Worked at Home | 5,720 | 2.0 | 304 | 6,998 | 2.6 | 898 | 7,432 | 3.0 | 798 | 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) | 21.2 | 0.2 | 20.8 | 0.6 | 21.3 | 0.5 | No |
| Drove alone | 20.5 | 0.2 | 20.3 | 0.6 | 20.7 | 0.5 | No |
| Carpooled | 23.8 | 0.7 | 22.1 | 2.7 | 23.1 | 2.6 | No |
| Transit | 40.5 | 1.6 | 43.7 | 9.3 | 47.2 | 11.1 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 14.9 | 1.0 | 12.3 | 2.2 | 14.5 | 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
