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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 | 529,025 | -- | 557,112 | 1,065 | 583,776 | 594,524 | 844 | -- |
| Persons in Households 2 | 514,023 | 533 | 542,116 | -- | 566,022 | 578,916 | -- | -- |
| Total Households 3 | 223,987 | 494 | 237,315 | 2,131 | 248,546 | 248,701 | 1,936 | Yes |
| Average Number of Persons per Household 4 | 2.29 | 0.01 | 2.28 | 0.02 | 2.28 | 2.33 | 0.02 | Yes |
| Average Household Income 5 | $52,590 | $463 | $66,451 | $1,275 | -- | $70,209 | $1,603 | Yes |
| Average Number of Vehicles per Household 6 | 1.49 | 0.01 | 1.48 | 0.02 | -- | 1.45 | 0.02 | Yes |
| Percent of Persons in Poverty 7 | 13.10 | 0.20 | 15.50 | 0.78 | -- | 18.60 | 0.78 | Yes |
| Percent Minority 8 | 22.20 | 0.30 | 21.50 | 0.62 | 23.90 | 22.60 | 0.57 | No |
| Percent of Persons 65 and Over 9 | 11.60 | 0.20 | 10.20 | 0.28 | 10.40 | 10.70 | 0.28 | Yes |
| Percent of Persons Foreign Born 10 | 13.00 | 0.20 | 12.90 | 0.43 | -- | 13.80 | 0.44 | Yes |
| Total Workers at Place of Residence11 | 276,257 | 1,604 | 300,705 | 3,475 | -- | 305,249 | 3,523 | 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 | 270,995 | 100.0 | 1,605 | 289,825 | 100.0 | 2,888 | 299,376 | 100.0 | 3,588 | Yes |
| Drove alone | 172,490 | 63.7 | 1,505 | 178,243 | 61.5 | 3,113 | 174,501 | 58.3 | 2,992 | No |
| 2-person Carpool | 26,765 | 9.9 | 704 | 21,241 | 7.3 | 1,468 | 22,332 | 7.5 | 1,694 | Yes |
| 3-or-more-person Carpool | 5,430 | 2.0 | 324 | 4,539 | 1.6 | 756 | 4,590 | 1.5 | 665 | Yes |
| Transit | 33,170 | 12.2 | 778 | 34,636 | 12.0 | 1,865 | 36,344 | 12.1 | 1,982 | Yes |
| Bike | 4,775 | 1.8 | 304 | 15,885 | 5.5 | 1,133 | 18,607 | 6.2 | 1,311 | Yes |
| Walked | 14,190 | 5.2 | 519 | 15,064 | 5.2 | 1,292 | 17,121 | 5.7 | 1,551 | Yes |
| Taxi, Motorcycle and Other means | 2,390 | 0.9 | 215 | 2,520 | 0.9 | 438 | 2,799 | 0.9 | 489 | No |
| Worked at Home | 11,780 | 4.3 | 474 | 17,697 | 6.1 | 1,152 | 23,082 | 7.7 | 1,584 | 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 | 390,930 | 100.0 | 1,410 | 417,137 | 100.0 | 4,363 | 427,396 | 100.0 | 5,595 | Yes |
| Drove alone | 264,390 | 67.6 | 1,605 | 275,041 | 65.9 | 3,952 | 273,640 | 64.0 | 4,251 | Yes |
| 2-person Carpool | 39,095 | 10.0 | 840 | 34,185 | 8.2 | 2,011 | 33,312 | 7.8 | 2,236 | Yes |
| 3-or-more-person Carpool | 7,470 | 1.9 | 379 | 6,397 | 1.5 | 804 | 7,638 | 1.8 | 963 | No |
| Transit | 45,659 | 11.7 | 902 | 49,054 | 11.8 | 2,290 | 50,183 | 11.7 | 2,399 | Yes |
| Bike | 4,910 | 1.3 | 308 | 15,187 | 3.6 | 1,058 | 18,170 | 4.3 | 1,353 | Yes |
| Walked | 14,110 | 3.6 | 517 | 15,508 | 3.7 | 1,367 | 16,901 | 4.0 | 1,490 | Yes |
| Taxi, Motorcycle and Other means | 3,520 | 0.9 | 261 | 4,068 | 1.0 | 647 | 4,470 | 1.0 | 555 | Yes |
| Worked at Home | 11,780 | 3.0 | 474 | 17,697 | 4.2 | 1,152 | 23,082 | 5.4 | 1,584 | 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) | 23.1 | 0.2 | 24.1 | 0.6 | 24.3 | 0.6 | Yes |
| Drove alone | 21.0 | 0.2 | 21.6 | 0.6 | 21.8 | 0.6 | Yes |
| Carpooled | 23.8 | 0.5 | 24.5 | 2.6 | 24.2 | 2.4 | No |
| Transit | 37.4 | 0.7 | 39.6 | 3.3 | 40.9 | 3.4 | Yes |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 17.2 | 0.6 | 20.8 | 2.1 | 20.3 | 1.7 | Yes |
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
