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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 | 277,359 | -- | 298,181 | -- | 295,223 | 296,427 | -- | -- |
| Persons in Households 2 | 274,953 | 198 | 296,186 | -- | 292,725 | 293,911 | -- | -- |
| Total Households 3 | 104,586 | 358 | 113,106 | 1,190 | 115,033 | 116,143 | 1,032 | Yes |
| Average Number of Persons per Household 4 | 2.63 | 0.02 | 2.62 | 0.03 | 2.54 | 2.53 | 0.02 | Yes |
| Average Household Income 5 | $70,195 | $697 | $91,907 | $2,238 | -- | $95,925 | $2,171 | Yes |
| Average Number of Vehicles per Household 6 | 1.95 | 0.02 | 2.06 | 0.04 | -- | 2.05 | 0.03 | Yes |
| Percent of Persons in Poverty 7 | 4.50 | 0.20 | 4.40 | 0.56 | -- | 5.70 | 0.62 | Yes |
| Percent Minority 8 | 3.20 | 0.10 | 4.30 | 0.25 | 4.50 | 4.30 | 0.16 | Yes |
| Percent of Persons 65 and Over 9 | 10.10 | 0.20 | 12.10 | 0.44 | 12.70 | 13.30 | 0.45 | Yes |
| Percent of Persons Foreign Born 10 | 3.70 | 0.10 | 4.70 | 0.31 | -- | 4.40 | 0.30 | Yes |
| Total Workers at Place of Residence11 | 151,518 | 1,061 | 164,243 | 2,230 | -- | 163,279 | 1,827 | 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 | 148,705 | 100.0 | 1,063 | 158,529 | 100.0 | 1,629 | 158,796 | 100.0 | 1,905 | Yes |
| Drove alone | 126,120 | 84.8 | 1,061 | 134,179 | 84.6 | 2,028 | 133,417 | 84.0 | 2,203 | Yes |
| 2-person Carpool | 10,030 | 6.7 | 398 | 8,709 | 5.5 | 1,015 | 8,668 | 5.5 | 889 | Yes |
| 3-or-more-person Carpool | 1,535 | 1.0 | 158 | 1,647 | 1.0 | 418 | 1,421 | 0.9 | 320 | No |
| Transit | 1,075 | 0.7 | 132 | 1,123 | 0.7 | 270 | 1,230 | 0.8 | 259 | No |
| Bike | 225 | 0.2 | 61 | 570 | 0.4 | 228 | 473 | 0.3 | 263 | No |
| Walked | 2,540 | 1.7 | 203 | 2,914 | 1.8 | 547 | 2,809 | 1.8 | 586 | No |
| Taxi, Motorcycle and Other means | 1,095 | 0.7 | 134 | 884 | 0.6 | 272 | 1,290 | 0.8 | 286 | No |
| Worked at Home | 6,085 | 4.1 | 312 | 8,503 | 5.4 | 848 | 9,488 | 6.0 | 970 | 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 | 128,020 | 100.0 | 1,062 | 144,930 | 100.0 | 2,878 | 144,536 | 100.0 | 2,887 | Yes |
| Drove alone | 106,075 | 82.9 | 1,036 | 119,088 | 82.2 | 2,822 | 119,171 | 82.5 | 2,794 | Yes |
| 2-person Carpool | 9,820 | 7.7 | 394 | 10,302 | 7.1 | 1,172 | 9,110 | 6.3 | 1,107 | No |
| 3-or-more-person Carpool | 1,875 | 1.5 | 175 | 2,421 | 1.7 | 575 | 2,182 | 1.5 | 506 | No |
| Transit | 480 | 0.4 | 89 | 320 | 0.2 | 128 | 476 | 0.3 | 185 | No |
| Bike | 210 | 0.2 | 59 | 411 | 0.3 | 156 | 481 | 0.3 | 266 | No |
| Walked | 2,645 | 2.1 | 207 | 3,245 | 2.2 | 603 | 2,790 | 1.9 | 607 | No |
| Taxi, Motorcycle and Other means | 835 | 0.7 | 117 | 640 | 0.4 | 207 | 838 | 0.6 | 211 | No |
| Worked at Home | 6,085 | 4.8 | 312 | 8,503 | 5.9 | 848 | 9,488 | 6.6 | 970 | 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) | 28.6 | 0.3 | 29.0 | 0.8 | 29.1 | 0.7 | No |
| Drove alone | 28.0 | 0.3 | 28.6 | 0.9 | 28.7 | 0.8 | No |
| Carpooled | 30.7 | 1.1 | 32.7 | 5.2 | 31.6 | 5.4 | No |
| Transit | 68.9 | 5.6 | 79.2 | 29.4 | 72.7 | 23.4 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 30.7 | 2.7 | 18.7 | 6.4 | 22.1 | 6.9 | 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
