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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 | 574,335 | -- | 605,143 | -- | 602,622 | 608,517 | -- | -- |
| Persons in Households 2 | 561,551 | 452 | 592,774 | -- | 591,269 | 597,606 | -- | -- |
| Total Households 3 | 213,124 | 412 | 225,257 | 1,694 | 227,239 | 229,328 | 1,419 | Yes |
| Average Number of Persons per Household 4 | 2.63 | 0.01 | 2.63 | 0.02 | 2.60 | 2.61 | 0.02 | No |
| Average Household Income 5 | $57,510 | $437 | $64,432 | $1,192 | -- | $66,134 | $1,167 | Yes |
| Average Number of Vehicles per Household 6 | 1.76 | 0.01 | 1.79 | 0.02 | -- | 1.75 | 0.02 | No |
| Percent of Persons in Poverty 7 | 8.90 | 0.20 | 14.00 | 0.69 | -- | 15.90 | 0.69 | Yes |
| Percent Minority 8 | 16.90 | 0.20 | 17.80 | 0.36 | 20.10 | 17.60 | 0.31 | Yes |
| Percent of Persons 65 and Over 9 | 10.40 | 0.20 | 10.70 | 0.28 | 11.10 | 11.40 | 0.28 | Yes |
| Percent of Persons Foreign Born 10 | 6.60 | 0.10 | 7.50 | 0.36 | -- | 7.40 | 0.38 | Yes |
| Total Workers at Place of Residence11 | 289,318 | 1,533 | 296,909 | 2,830 | -- | 289,110 | 2,521 | 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 | 284,235 | 100.0 | 1,533 | 287,180 | 100.0 | 2,778 | 282,715 | 100.0 | 2,493 | No |
| Drove alone | 236,945 | 83.4 | 1,510 | 235,206 | 81.9 | 3,021 | 233,376 | 82.5 | 2,508 | Yes |
| 2-person Carpool | 21,960 | 7.7 | 588 | 21,191 | 7.4 | 1,622 | 19,169 | 6.8 | 1,413 | Yes |
| 3-or-more-person Carpool | 5,075 | 1.8 | 287 | 5,761 | 2.0 | 865 | 5,407 | 1.9 | 703 | No |
| Transit | 2,995 | 1.1 | 221 | 4,636 | 1.6 | 754 | 4,947 | 1.7 | 712 | Yes |
| Bike | 670 | 0.2 | 105 | 1,800 | 0.6 | 394 | 1,274 | 0.5 | 315 | Yes |
| Walked | 5,945 | 2.1 | 310 | 4,919 | 1.7 | 633 | 5,165 | 1.8 | 703 | Yes |
| Taxi, Motorcycle and Other means | 2,145 | 0.8 | 187 | 1,771 | 0.6 | 396 | 1,814 | 0.6 | 356 | No |
| Worked at Home | 8,500 | 3.0 | 370 | 11,896 | 4.1 | 1,191 | 11,563 | 4.1 | 955 | 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 | 336,390 | 100.0 | 1,511 | 337,184 | 100.0 | 3,497 | 331,478 | 100.0 | 3,530 | Yes |
| Drove alone | 282,785 | 84.1 | 1,533 | 280,780 | 83.3 | 3,872 | 278,828 | 84.1 | 3,227 | Yes |
| 2-person Carpool | 27,695 | 8.2 | 657 | 24,893 | 7.4 | 1,671 | 22,923 | 6.9 | 1,586 | Yes |
| 3-or-more-person Carpool | 5,505 | 1.6 | 299 | 6,102 | 1.8 | 882 | 5,404 | 1.6 | 693 | No |
| Transit | 2,994 | 0.9 | 221 | 4,404 | 1.3 | 752 | 4,606 | 1.4 | 678 | Yes |
| Bike | 665 | 0.2 | 104 | 1,801 | 0.5 | 393 | 1,296 | 0.4 | 318 | Yes |
| Walked | 5,965 | 1.8 | 311 | 4,926 | 1.5 | 639 | 5,075 | 1.5 | 686 | Yes |
| Taxi, Motorcycle and Other means | 2,280 | 0.7 | 193 | 2,382 | 0.7 | 438 | 1,783 | 0.5 | 329 | Yes |
| Worked at Home | 8,500 | 2.5 | 370 | 11,896 | 3.5 | 1,191 | 11,563 | 3.5 | 955 | 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) | 20.7 | 0.1 | 20.6 | 0.4 | 21.0 | 0.4 | No |
| Drove alone | 20.4 | 0.1 | 20.0 | 0.4 | 20.5 | 0.4 | No |
| Carpooled | 23.1 | 0.5 | 24.5 | 2.6 | 24.2 | 2.4 | No |
| Transit | 33.7 | 2.0 | 38.6 | 9.0 | 38.5 | 8.7 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 17.6 | 1.1 | 15.9 | 2.6 | 16.1 | 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
