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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 | 451,086 | -- | 534,558 | -- | 544,179 | 552,886 | -- | -- |
| Persons in Households 2 | 446,090 | 284 | 529,374 | -- | 539,013 | 547,993 | -- | -- |
| Total Households 3 | 174,631 | 331 | 204,652 | 1,065 | 212,882 | 215,199 | 1,187 | Yes |
| Average Number of Persons per Household 4 | 2.55 | 0.01 | 2.59 | 0.01 | 2.53 | 2.55 | 0.01 | No |
| Average Household Income 5 | $79,190 | $618 | $95,165 | $1,586 | -- | $95,088 | $1,564 | Yes |
| Average Number of Vehicles per Household 6 | 1.90 | 0.01 | 1.94 | 0.02 | -- | 1.91 | 0.02 | No |
| Percent of Persons in Poverty 7 | 3.40 | 0.10 | 5.30 | 0.57 | -- | 6.60 | 0.56 | Yes |
| Percent Minority 8 | 8.90 | 0.20 | 12.20 | 0.38 | 14.00 | 12.70 | 0.25 | Yes |
| Percent of Persons 65 and Over 9 | 10.00 | 0.20 | 10.60 | 0.30 | 10.90 | 11.30 | 0.30 | Yes |
| Percent of Persons Foreign Born 10 | 5.70 | 0.10 | 7.70 | 0.38 | -- | 8.20 | 0.36 | Yes |
| Total Workers at Place of Residence11 | 247,328 | 1,352 | 298,990 | 2,588 | -- | 294,876 | 2,667 | 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 | 243,910 | 100.0 | 1,354 | 289,179 | 100.0 | 2,337 | 289,660 | 100.0 | 2,736 | Yes |
| Drove alone | 211,450 | 86.7 | 1,356 | 245,595 | 84.9 | 2,526 | 246,637 | 85.1 | 2,643 | Yes |
| 2-person Carpool | 13,575 | 5.6 | 464 | 16,015 | 5.5 | 1,111 | 17,213 | 5.9 | 1,419 | Yes |
| 3-or-more-person Carpool | 3,320 | 1.4 | 232 | 4,573 | 1.6 | 883 | 4,541 | 1.6 | 739 | Yes |
| Transit | 688 | 0.3 | 106 | 1,286 | 0.4 | 274 | 1,152 | 0.4 | 381 | Yes |
| Bike | 100 | 0.0 | 40 | 476 | 0.2 | 187 | 450 | 0.2 | 136 | Yes |
| Walked | 1,880 | 0.8 | 175 | 3,202 | 1.1 | 682 | 2,377 | 0.8 | 443 | Yes |
| Taxi, Motorcycle and Other means | 1,335 | 0.5 | 148 | 2,458 | 0.8 | 475 | 1,667 | 0.6 | 364 | No |
| Worked at Home | 11,555 | 4.7 | 429 | 15,574 | 5.4 | 1,119 | 15,623 | 5.4 | 1,226 | 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 | 265,365 | 100.0 | 1,337 | 317,510 | 100.0 | 3,586 | 306,396 | 100.0 | 4,297 | Yes |
| Drove alone | 225,555 | 85.0 | 1,359 | 269,271 | 84.8 | 3,648 | 260,499 | 85.0 | 4,105 | Yes |
| 2-person Carpool | 19,530 | 7.4 | 553 | 19,799 | 6.2 | 1,326 | 19,904 | 6.5 | 1,411 | No |
| 3-or-more-person Carpool | 4,725 | 1.8 | 277 | 4,871 | 1.5 | 755 | 5,143 | 1.7 | 792 | No |
| Transit | 565 | 0.2 | 96 | 905 | 0.3 | 310 | 633 | 0.2 | 238 | No |
| Bike | 95 | 0.0 | 39 | 407 | 0.1 | 172 | 286 | 0.1 | 112 | Yes |
| Walked | 1,900 | 0.7 | 176 | 3,074 | 1.0 | 754 | 2,448 | 0.8 | 469 | Yes |
| Taxi, Motorcycle and Other means | 1,445 | 0.5 | 154 | 3,609 | 1.1 | 650 | 1,860 | 0.6 | 454 | No |
| Worked at Home | 11,555 | 4.4 | 429 | 15,574 | 4.9 | 1,119 | 15,623 | 5.1 | 1,226 | 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) | 20.2 | 0.1 | 20.1 | 0.4 | 20.8 | 0.4 | Yes |
| Drove alone | 20.0 | 0.1 | 19.7 | 0.4 | 20.4 | 0.4 | No |
| Carpooled | 21.1 | 0.5 | 22.8 | 3.0 | 22.9 | 2.7 | No |
| Transit | 38.3 | 4.1 | 41.6 | 12.8 | 49.0 | 25.4 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 27.7 | 2.7 | 19.3 | 5.3 | 30.4 | 8.2 | 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
