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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 | 297,490 | -- | 323,591 | -- | 323,444 | 325,944 | -- | -- |
| Persons in Households 2 | 292,974 | 319 | 320,169 | -- | 319,474 | 321,894 | -- | -- |
| Total Households 3 | 109,070 | 256 | 113,217 | 855 | 117,759 | 115,709 | 932 | Yes |
| Average Number of Persons per Household 4 | 2.69 | 0.01 | 2.83 | 0.02 | 2.71 | 2.78 | 0.02 | Yes |
| Average Household Income 5 | $102,650 | $1,131 | $130,703 | $3,633 | -- | $128,867 | $3,493 | Yes |
| Average Number of Vehicles per Household 6 | 1.86 | 0.02 | 1.89 | 0.03 | -- | 1.91 | 0.03 | Yes |
| Percent of Persons in Poverty 7 | 3.80 | 0.20 | 3.20 | 0.49 | -- | 5.20 | 0.66 | Yes |
| Percent Minority 8 | 20.80 | 0.40 | 26.40 | 0.64 | 29.90 | 30.20 | 0.59 | Yes |
| Percent of Persons 65 and Over 9 | 11.20 | 0.30 | 12.00 | 0.44 | 12.40 | 12.90 | 0.42 | Yes |
| Percent of Persons Foreign Born 10 | 18.10 | 0.30 | 22.10 | 0.73 | -- | 23.20 | 0.62 | Yes |
| Total Workers at Place of Residence11 | 154,092 | 1,303 | 169,945 | 2,214 | -- | 165,210 | 1,695 | 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 | 151,285 | 100.0 | 1,304 | 161,804 | 100.0 | 2,041 | 162,213 | 100.0 | 1,747 | Yes |
| Drove alone | 123,555 | 81.7 | 1,285 | 125,326 | 77.5 | 2,131 | 127,966 | 78.9 | 1,652 | Yes |
| 2-person Carpool | 9,440 | 6.2 | 457 | 12,457 | 7.7 | 1,332 | 9,996 | 6.2 | 1,307 | No |
| 3-or-more-person Carpool | 2,665 | 1.8 | 246 | 3,534 | 2.2 | 932 | 3,225 | 2.0 | 688 | No |
| Transit | 6,044 | 4.0 | 368 | 8,502 | 5.3 | 900 | 7,683 | 4.7 | 843 | Yes |
| Bike | 335 | 0.2 | 87 | 694 | 0.4 | 411 | 706 | 0.4 | 332 | Yes |
| Walked | 2,410 | 1.6 | 234 | 2,696 | 1.7 | 608 | 2,263 | 1.4 | 451 | No |
| Taxi, Motorcycle and Other means | 1,400 | 0.9 | 178 | 1,425 | 0.9 | 536 | 2,065 | 1.3 | 501 | Yes |
| Worked at Home | 5,440 | 3.6 | 349 | 7,170 | 4.4 | 674 | 8,309 | 5.1 | 933 | 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 | 162,260 | 100.0 | 1,299 | 170,606 | 100.0 | 3,683 | 178,889 | 100.0 | 3,459 | Yes |
| Drove alone | 135,625 | 83.6 | 1,299 | 139,109 | 81.5 | 3,403 | 147,691 | 82.6 | 2,962 | Yes |
| 2-person Carpool | 11,235 | 6.9 | 497 | 12,428 | 7.3 | 1,246 | 10,747 | 6.0 | 1,238 | No |
| 3-or-more-person Carpool | 4,170 | 2.6 | 307 | 4,415 | 2.6 | 965 | 2,954 | 1.7 | 539 | Yes |
| Transit | 1,640 | 1.0 | 193 | 2,525 | 1.5 | 570 | 3,226 | 1.8 | 834 | Yes |
| Bike | 350 | 0.2 | 89 | 651 | 0.4 | 406 | 793 | 0.4 | 288 | Yes |
| Walked | 2,585 | 1.6 | 242 | 2,690 | 1.6 | 616 | 2,481 | 1.4 | 459 | No |
| Taxi, Motorcycle and Other means | 1,210 | 0.7 | 166 | 1,618 | 0.9 | 409 | 2,688 | 1.5 | 590 | Yes |
| Worked at Home | 5,440 | 3.4 | 349 | 7,170 | 4.2 | 674 | 8,309 | 4.6 | 933 | 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) | 30.1 | 0.4 | 31.3 | 0.8 | 31.8 | 0.8 | Yes |
| Drove alone | 27.9 | 0.3 | 29.0 | 0.8 | 29.3 | 0.7 | Yes |
| Carpooled | 28.9 | 1.2 | 27.4 | 4.1 | 29.0 | 5.3 | No |
| Transit | 84.2 | 2.5 | 78.7 | 11.5 | 81.5 | 13.0 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 22.1 | 2.2 | 20.4 | 6.1 | 25.4 | 7.9 | 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
