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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 | 355,904 | -- | 393,437 | -- | 398,552 | 402,136 | -- | -- |
| Persons in Households 2 | 353,580 | 194 | 390,905 | -- | 395,699 | 399,544 | -- | -- |
| Total Households 3 | 131,352 | 196 | 148,986 | 904 | 152,060 | 153,554 | 769 | Yes |
| Average Number of Persons per Household 4 | 2.69 | 0.01 | 2.62 | 0.02 | 2.60 | 2.60 | 0.01 | Yes |
| Average Household Income 5 | $72,690 | $597 | $88,794 | $1,471 | -- | $87,774 | $1,568 | Yes |
| Average Number of Vehicles per Household 6 | 1.90 | 0.01 | 1.95 | 0.02 | -- | 1.88 | 0.02 | No |
| Percent of Persons in Poverty 7 | 3.60 | 0.10 | 5.20 | 0.63 | -- | 7.20 | 0.60 | Yes |
| Percent Minority 8 | 8.70 | 0.20 | 12.80 | 0.28 | 14.80 | 15.10 | 0.41 | Yes |
| Percent of Persons 65 and Over 9 | 7.40 | 0.20 | 8.70 | 0.27 | 10.00 | 10.50 | 0.31 | Yes |
| Percent of Persons Foreign Born 10 | 5.10 | 0.10 | 7.70 | 0.36 | -- | 8.20 | 0.47 | Yes |
| Total Workers at Place of Residence11 | 201,089 | 1,197 | 222,777 | 2,149 | -- | 215,236 | 1,983 | 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 | 197,795 | 100.0 | 1,199 | 216,176 | 100.0 | 1,684 | 210,959 | 100.0 | 2,057 | Yes |
| Drove alone | 165,065 | 83.5 | 1,204 | 177,309 | 82.0 | 2,008 | 174,314 | 82.6 | 2,340 | Yes |
| 2-person Carpool | 14,875 | 7.5 | 483 | 16,125 | 7.5 | 1,312 | 13,152 | 6.2 | 1,175 | Yes |
| 3-or-more-person Carpool | 2,880 | 1.5 | 216 | 3,010 | 1.4 | 509 | 2,451 | 1.2 | 426 | No |
| Transit | 4,474 | 2.3 | 269 | 6,525 | 3.0 | 645 | 6,824 | 3.2 | 696 | Yes |
| Bike | 260 | 0.1 | 65 | 569 | 0.3 | 204 | 646 | 0.3 | 220 | Yes |
| Walked | 2,010 | 1.0 | 181 | 2,272 | 1.1 | 454 | 2,203 | 1.0 | 412 | No |
| Taxi, Motorcycle and Other means | 1,175 | 0.6 | 138 | 1,355 | 0.6 | 310 | 1,706 | 0.8 | 374 | Yes |
| Worked at Home | 7,060 | 3.6 | 337 | 9,011 | 4.2 | 764 | 9,663 | 4.6 | 794 | 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 | 154,525 | 100.0 | 1,196 | 176,449 | 100.0 | 2,682 | 171,313 | 100.0 | 3,247 | Yes |
| Drove alone | 128,435 | 83.1 | 1,159 | 146,271 | 82.9 | 2,765 | 141,950 | 82.9 | 2,840 | Yes |
| 2-person Carpool | 11,820 | 7.6 | 433 | 12,038 | 6.8 | 959 | 11,691 | 6.8 | 1,216 | No |
| 3-or-more-person Carpool | 2,500 | 1.6 | 202 | 3,201 | 1.8 | 499 | 2,516 | 1.5 | 438 | No |
| Transit | 1,245 | 0.8 | 143 | 1,405 | 0.8 | 399 | 1,686 | 1.0 | 459 | No |
| Bike | 310 | 0.2 | 71 | 656 | 0.4 | 218 | 570 | 0.3 | 194 | Yes |
| Walked | 2,095 | 1.4 | 185 | 2,197 | 1.2 | 471 | 1,950 | 1.1 | 418 | No |
| Taxi, Motorcycle and Other means | 1,050 | 0.7 | 131 | 1,670 | 0.9 | 307 | 1,287 | 0.8 | 295 | No |
| Worked at Home | 7,060 | 4.6 | 337 | 9,011 | 5.1 | 764 | 9,663 | 5.6 | 794 | 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) | 22.8 | 0.2 | 23.9 | 0.5 | 24.2 | 0.5 | Yes |
| Drove alone | 22.1 | 0.2 | 22.8 | 0.5 | 23.4 | 0.6 | Yes |
| Carpooled | 24.1 | 0.6 | 24.8 | 3.1 | 24.4 | 3.2 | No |
| Transit | 40.5 | 1.4 | 44.4 | 6.2 | 43.7 | 6.5 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 24.2 | 2.5 | 30.1 | 8.2 | 22.8 | 5.7 | 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
