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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 | 243,072 | -- | 231,065 | 464 | 212,237 | 211,827 | 499 | -- |
| Persons in Households 2 | 234,213 | 374 | 222,238 | -- | 203,202 | 203,822 | -- | -- |
| Total Households 3 | 98,748 | 441 | 98,286 | 1,678 | 89,382 | 87,407 | 1,488 | Yes |
| Average Number of Persons per Household 4 | 2.37 | 0.02 | 2.26 | 0.04 | 2.27 | 2.33 | 0.04 | No |
| Average Household Income 5 | $37,285 | $508 | $45,632 | $1,819 | -- | $43,458 | $1,607 | Yes |
| Average Number of Vehicles per Household 6 | 1.41 | 0.02 | 1.51 | 0.04 | -- | 1.44 | 0.04 | No |
| Percent of Persons in Poverty 7 | 24.70 | 0.40 | 24.70 | 1.67 | -- | 31.40 | 1.56 | Yes |
| Percent Minority 8 | 75.80 | 0.40 | 74.80 | 0.93 | 77.70 | 77.50 | 0.90 | Yes |
| Percent of Persons 65 and Over 9 | 13.60 | 0.30 | 13.00 | 0.60 | 12.40 | 12.80 | 0.56 | Yes |
| Percent of Persons Foreign Born 10 | 2.10 | 0.10 | 3.60 | 0.48 | -- | 3.40 | 0.45 | Yes |
| Total Workers at Place of Residence11 | 98,713 | 980 | 103,449 | 2,817 | -- | 83,659 | 2,045 | 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 | 96,725 | 100.0 | 976 | 100,223 | 100.0 | 2,285 | 81,711 | 100.0 | 1,970 | Yes |
| Drove alone | 74,395 | 76.9 | 919 | 79,367 | 79.2 | 2,317 | 66,790 | 81.7 | 2,178 | Yes |
| 2-person Carpool | 11,980 | 12.4 | 432 | 10,783 | 10.8 | 1,177 | 7,303 | 8.9 | 825 | Yes |
| 3-or-more-person Carpool | 3,335 | 3.4 | 232 | 3,646 | 3.6 | 808 | 1,985 | 2.4 | 518 | Yes |
| Transit | 2,409 | 2.5 | 198 | 2,437 | 2.4 | 468 | 1,647 | 2.0 | 370 | Yes |
| Bike | 120 | 0.1 | 44 | 138 | 0.1 | 86 | 150 | 0.2 | 67 | No |
| Walked | 2,350 | 2.4 | 195 | 2,195 | 2.2 | 623 | 1,877 | 2.3 | 411 | Yes |
| Taxi, Motorcycle and Other means | 1,010 | 1.0 | 128 | 401 | 0.4 | 238 | 331 | 0.4 | 167 | Yes |
| Worked at Home | 1,125 | 1.2 | 135 | 1,256 | 1.3 | 286 | 1,628 | 2.0 | 382 | 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 | 185,205 | 100.0 | 850 | 191,249 | 100.0 | 3,592 | 181,415 | 100.0 | 3,429 | Yes |
| Drove alone | 154,990 | 83.7 | 959 | 160,297 | 83.8 | 3,637 | 154,780 | 85.3 | 3,386 | No |
| 2-person Carpool | 18,490 | 10.0 | 529 | 18,149 | 9.5 | 1,425 | 15,505 | 8.5 | 1,349 | Yes |
| 3-or-more-person Carpool | 4,585 | 2.5 | 271 | 5,559 | 2.9 | 905 | 4,145 | 2.3 | 989 | No |
| Transit | 2,055 | 1.1 | 183 | 2,193 | 1.1 | 476 | 1,971 | 1.1 | 415 | No |
| Bike | 175 | 0.1 | 54 | 248 | 0.1 | 146 | 214 | 0.1 | 93 | No |
| Walked | 2,370 | 1.3 | 196 | 2,388 | 1.2 | 603 | 1,972 | 1.1 | 372 | No |
| Taxi, Motorcycle and Other means | 1,425 | 0.8 | 152 | 1,159 | 0.6 | 296 | 1,200 | 0.7 | 318 | No |
| Worked at Home | 1,125 | 0.6 | 135 | 1,256 | 0.7 | 286 | 1,628 | 0.9 | 382 | 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) | 23.5 | 0.3 | 21.6 | 0.9 | 21.9 | 1.0 | Yes |
| Drove alone | 22.5 | 0.3 | 20.5 | 1.0 | 21.1 | 1.2 | Yes |
| Carpooled | 25.3 | 0.7 | 24.1 | 3.8 | 23.4 | 3.6 | No |
| Transit | 51.3 | 3.3 | 46.6 | 14.5 | 45.7 | 15.3 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 18.1 | 1.5 | 16.8 | 6.2 | 20.1 | 8.1 | 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
