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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 | 278,418 | -- | 298,931 | -- | 295,266 | 293,608 | -- | -- |
| Persons in Households 2 | 273,363 | 285 | 292,022 | -- | 290,581 | 289,334 | -- | -- |
| Total Households 3 | 107,966 | 315 | 112,538 | 1,784 | 115,501 | 112,594 | 1,009 | Yes |
| Average Number of Persons per Household 4 | 2.53 | 0.01 | 2.59 | 0.03 | 2.52 | 2.57 | 0.02 | Yes |
| Average Household Income 5 | $53,965 | $575 | $59,970 | $1,777 | -- | $60,206 | $1,554 | Yes |
| Average Number of Vehicles per Household 6 | 1.75 | 0.01 | 1.75 | 0.04 | -- | 1.72 | 0.03 | No |
| Percent of Persons in Poverty 7 | 9.60 | 0.20 | 16.30 | 1.16 | -- | 17.80 | 0.89 | Yes |
| Percent Minority 8 | 17.80 | 0.30 | 17.70 | 0.47 | 22.60 | 20.20 | 0.46 | Yes |
| Percent of Persons 65 and Over 9 | 12.70 | 0.30 | 13.10 | 0.41 | 13.80 | 14.20 | 0.44 | Yes |
| Percent of Persons Foreign Born 10 | 6.10 | 0.20 | 7.30 | 0.56 | -- | 7.60 | 0.49 | Yes |
| Total Workers at Place of Residence11 | 135,037 | 1,067 | 138,014 | 2,327 | -- | 129,652 | 2,012 | 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 | 132,630 | 100.0 | 1,066 | 132,767 | 100.0 | 2,913 | 127,219 | 100.0 | 1,968 | Yes |
| Drove alone | 110,910 | 83.6 | 1,045 | 112,127 | 84.5 | 2,816 | 107,523 | 84.5 | 1,944 | Yes |
| 2-person Carpool | 11,755 | 8.9 | 429 | 9,768 | 7.4 | 1,140 | 9,514 | 7.5 | 1,070 | Yes |
| 3-or-more-person Carpool | 2,330 | 1.8 | 194 | 2,219 | 1.7 | 472 | 1,703 | 1.3 | 404 | Yes |
| Transit | 1,369 | 1.0 | 149 | 1,215 | 0.9 | 371 | 1,419 | 1.1 | 399 | No |
| Bike | 305 | 0.2 | 71 | 409 | 0.3 | 163 | 320 | 0.3 | 139 | No |
| Walked | 1,800 | 1.4 | 171 | 1,687 | 1.3 | 397 | 1,516 | 1.2 | 395 | No |
| Taxi, Motorcycle and Other means | 775 | 0.6 | 112 | 1,206 | 0.9 | 331 | 867 | 0.7 | 277 | No |
| Worked at Home | 3,375 | 2.5 | 234 | 4,136 | 3.1 | 557 | 4,357 | 3.4 | 620 | 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 | 138,490 | 100.0 | 1,067 | 137,170 | 100.0 | 2,746 | 134,044 | 100.0 | 2,667 | Yes |
| Drove alone | 116,915 | 84.4 | 1,054 | 117,219 | 85.5 | 2,647 | 114,919 | 85.7 | 2,597 | No |
| 2-person Carpool | 11,850 | 8.6 | 431 | 9,512 | 6.9 | 1,122 | 9,354 | 7.0 | 1,029 | Yes |
| 3-or-more-person Carpool | 2,305 | 1.7 | 193 | 1,823 | 1.3 | 408 | 1,266 | 0.9 | 345 | Yes |
| Transit | 1,268 | 0.9 | 144 | 1,130 | 0.8 | 386 | 1,153 | 0.9 | 304 | No |
| Bike | 295 | 0.2 | 69 | 430 | 0.3 | 165 | 365 | 0.3 | 148 | No |
| Walked | 1,745 | 1.3 | 168 | 1,730 | 1.3 | 401 | 1,596 | 1.2 | 396 | No |
| Taxi, Motorcycle and Other means | 740 | 0.5 | 110 | 1,190 | 0.9 | 291 | 1,034 | 0.8 | 290 | No |
| Worked at Home | 3,375 | 2.4 | 234 | 4,136 | 3.0 | 557 | 4,357 | 3.3 | 620 | 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) | 20.8 | 0.2 | 21.9 | 0.9 | 21.7 | 0.6 | Yes |
| Drove alone | 20.3 | 0.3 | 21.5 | 0.9 | 21.3 | 0.7 | Yes |
| Carpooled | 22.9 | 0.8 | 25.7 | 4.1 | 25.3 | 4.2 | No |
| Transit | 50.0 | 4.5 | 39.5 | 18.1 | 46.4 | 19.7 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 17.5 | 2.0 | 16.6 | 5.0 | 12.0 | 3.7 | 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
