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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 | 399,843 | -- | 408,696 | -- | 412,992 | 413,432 | -- | -- |
| Persons in Households 2 | 391,765 | 360 | 399,621 | -- | 406,184 | 404,110 | -- | -- |
| Total Households 3 | 150,255 | 470 | 158,766 | 1,654 | 158,435 | 156,085 | 1,254 | Yes |
| Average Number of Persons per Household 4 | 2.61 | 0.02 | 2.52 | 0.02 | 2.56 | 2.59 | 0.02 | No |
| Average Household Income 5 | $45,265 | $466 | $53,297 | $1,429 | -- | $56,668 | $1,379 | Yes |
| Average Number of Vehicles per Household 6 | 1.70 | 0.01 | 1.80 | 0.03 | -- | 1.77 | 0.03 | Yes |
| Percent of Persons in Poverty 7 | 18.50 | 0.30 | 19.40 | 0.91 | -- | 20.20 | 0.95 | Yes |
| Percent Minority 8 | 37.00 | 0.30 | 38.40 | 0.17 | 39.80 | 39.50 | 0.21 | Yes |
| Percent of Persons 65 and Over 9 | 12.00 | 0.20 | 12.40 | 0.36 | 12.90 | 13.30 | 0.36 | Yes |
| Percent of Persons Foreign Born 10 | 2.30 | 0.10 | 3.00 | 0.28 | -- | 3.30 | 0.23 | Yes |
| Total Workers at Place of Residence11 | 165,738 | 1,260 | 181,007 | 2,627 | -- | 169,400 | 2,747 | 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 | 162,390 | 100.0 | 1,257 | 171,135 | 100.0 | 2,805 | 166,476 | 100.0 | 2,705 | Yes |
| Drove alone | 134,335 | 82.7 | 1,208 | 143,883 | 84.1 | 2,881 | 140,770 | 84.6 | 2,864 | Yes |
| 2-person Carpool | 15,420 | 9.5 | 493 | 13,349 | 7.8 | 1,190 | 11,285 | 6.8 | 998 | Yes |
| 3-or-more-person Carpool | 4,960 | 3.1 | 283 | 4,705 | 2.7 | 668 | 4,868 | 2.9 | 987 | No |
| Transit | 1,164 | 0.7 | 138 | 624 | 0.4 | 172 | 955 | 0.6 | 288 | No |
| Bike | 225 | 0.1 | 61 | 187 | 0.1 | 150 | 70 | 0.0 | 56 | Yes |
| Walked | 2,030 | 1.3 | 182 | 2,263 | 1.3 | 558 | 1,724 | 1.0 | 515 | No |
| Taxi, Motorcycle and Other means | 1,255 | 0.8 | 143 | 1,760 | 1.0 | 399 | 1,263 | 0.8 | 330 | No |
| Worked at Home | 2,990 | 1.8 | 220 | 4,364 | 2.6 | 704 | 5,541 | 3.3 | 810 | 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? ** |
||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Number | Percent | MOE(+/-)* | Number | Percent | MOE(+/-)* | Number | Percent | MOE(+/-)* | ||
| At Place of Work | ||||||||||
| Total Workers | 170,275 | 100.0 | 1,265 | 177,681 | 100.0 | 3,148 | 178,431 | 100.0 | 3,500 | Yes |
| Drove alone | 142,155 | 83.5 | 1,225 | 150,701 | 84.8 | 3,114 | 151,347 | 84.8 | 3,374 | Yes |
| 2-person Carpool | 15,830 | 9.3 | 499 | 13,473 | 7.6 | 1,134 | 12,160 | 6.8 | 1,080 | Yes |
| 3-or-more-person Carpool | 4,690 | 2.8 | 275 | 4,548 | 2.6 | 712 | 5,495 | 3.1 | 1,182 | No |
| Transit | 1,124 | 0.7 | 135 | 592 | 0.3 | 183 | 848 | 0.5 | 249 | No |
| Bike | 200 | 0.1 | 57 | 201 | 0.1 | 151 | 70 | 0.0 | 56 | Yes |
| Walked | 2,085 | 1.2 | 184 | 2,224 | 1.3 | 554 | 1,694 | 0.9 | 507 | No |
| Taxi, Motorcycle and Other means | 1,195 | 0.7 | 140 | 1,578 | 0.9 | 306 | 1,276 | 0.7 | 348 | No |
| Worked at Home | 2,990 | 1.8 | 220 | 4,364 | 2.5 | 704 | 5,541 | 3.1 | 810 | 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) | 25.2 | 0.2 | 24.2 | 0.8 | 23.7 | 0.7 | Yes |
| Drove alone | 24.0 | 0.2 | 23.1 | 0.8 | 23.1 | 0.7 | Yes |
| Carpooled | 31.7 | 0.8 | 31.6 | 4.3 | 27.5 | 3.4 | Yes |
| Transit | 49.4 | 4.7 | 51.3 | 22.6 | 42.6 | 19.3 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 23.1 | 2.2 | 24.4 | 8.7 | 25.2 | 9.3 | 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
