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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 | 338,391 | -- | 380,994 | -- | 375,992 | 380,281 | -- | -- |
| Persons in Households 2 | 335,513 | 236 | 378,229 | -- | 373,239 | 377,316 | -- | -- |
| Total Households 3 | 128,360 | 396 | 141,579 | 1,179 | 145,790 | 145,555 | 1,102 | Yes |
| Average Number of Persons per Household 4 | 2.61 | 0.02 | 2.67 | 0.02 | 2.56 | 2.59 | 0.02 | No |
| Average Household Income 5 | $67,855 | $711 | $81,929 | $2,049 | -- | $80,684 | $1,912 | Yes |
| Average Number of Vehicles per Household 6 | 1.98 | 0.02 | 2.01 | 0.03 | -- | 2.00 | 0.03 | No |
| Percent of Persons in Poverty 7 | 6.60 | 0.20 | 9.40 | 0.85 | -- | 10.00 | 0.81 | Yes |
| Percent Minority 8 | 8.80 | 0.20 | 9.90 | 0.40 | 11.80 | 10.40 | 0.40 | Yes |
| Percent of Persons 65 and Over 9 | 11.10 | 0.20 | 12.70 | 0.40 | 13.60 | 14.30 | 0.43 | Yes |
| Percent of Persons Foreign Born 10 | 7.10 | 0.20 | 8.70 | 0.59 | -- | 8.40 | 0.47 | Yes |
| Total Workers at Place of Residence11 | 169,791 | 1,284 | 191,803 | 2,567 | -- | 175,954 | 2,396 | 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 | 166,890 | 100.0 | 1,284 | 184,432 | 100.0 | 2,328 | 172,571 | 100.0 | 2,428 | Yes |
| Drove alone | 130,575 | 78.2 | 1,250 | 138,881 | 75.3 | 2,435 | 133,491 | 77.4 | 2,799 | No |
| 2-person Carpool | 14,645 | 8.8 | 522 | 15,418 | 8.4 | 1,520 | 12,164 | 7.0 | 1,293 | Yes |
| 3-or-more-person Carpool | 2,630 | 1.6 | 225 | 3,190 | 1.7 | 627 | 2,841 | 1.6 | 612 | No |
| Transit | 5,070 | 3.0 | 312 | 5,755 | 3.1 | 868 | 5,078 | 2.9 | 799 | No |
| Bike | 475 | 0.3 | 96 | 1,236 | 0.7 | 439 | 451 | 0.3 | 157 | No |
| Walked | 3,455 | 2.1 | 258 | 5,078 | 2.8 | 724 | 3,457 | 2.0 | 630 | No |
| Taxi, Motorcycle and Other means | 975 | 0.6 | 138 | 1,700 | 0.9 | 424 | 1,424 | 0.8 | 403 | Yes |
| Worked at Home | 9,060 | 5.4 | 414 | 13,174 | 7.1 | 1,173 | 13,665 | 7.9 | 1,265 | 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 | 135,195 | 100.0 | 1,258 | 157,290 | 100.0 | 3,378 | 140,247 | 100.0 | 3,391 | Yes |
| Drove alone | 102,815 | 76.0 | 1,181 | 116,076 | 73.8 | 3,278 | 106,238 | 75.8 | 3,121 | Yes |
| 2-person Carpool | 12,835 | 9.5 | 490 | 14,358 | 9.1 | 1,284 | 9,657 | 6.9 | 1,007 | Yes |
| 3-or-more-person Carpool | 2,870 | 2.1 | 235 | 2,959 | 1.9 | 532 | 2,440 | 1.7 | 497 | No |
| Transit | 2,915 | 2.2 | 237 | 3,250 | 2.1 | 706 | 2,900 | 2.1 | 679 | No |
| Bike | 430 | 0.3 | 91 | 1,493 | 0.9 | 489 | 684 | 0.5 | 282 | No |
| Walked | 3,520 | 2.6 | 261 | 4,769 | 3.0 | 751 | 3,614 | 2.6 | 620 | No |
| Taxi, Motorcycle and Other means | 750 | 0.6 | 121 | 1,211 | 0.8 | 363 | 1,049 | 0.7 | 322 | No |
| Worked at Home | 9,060 | 6.7 | 414 | 13,174 | 8.4 | 1,173 | 13,665 | 9.7 | 1,265 | 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) | 26.2 | 0.2 | 25.8 | 0.7 | 26.9 | 0.8 | No |
| Drove alone | 25.3 | 0.2 | 24.9 | 0.8 | 25.9 | 0.9 | No |
| Carpooled | 27.9 | 0.8 | 28.4 | 3.8 | 29.6 | 4.1 | No |
| Transit | 45.4 | 1.9 | 44.2 | 9.8 | 49.7 | 11.5 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 22.6 | 2.2 | 23.2 | 5.5 | 23.0 | 6.4 | 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
