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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 | 381,751 | -- | 425,431 | -- | 434,972 | 436,824 | -- | -- |
| Persons in Households 2 | 373,739 | 358 | 416,333 | -- | 426,542 | 428,380 | -- | -- |
| Total Households 3 | 148,288 | 361 | 165,454 | 1,340 | 168,372 | 168,566 | 1,165 | Yes |
| Average Number of Persons per Household 4 | 2.52 | 0.01 | 2.52 | 0.02 | 2.53 | 2.54 | 0.02 | No |
| Average Household Income 5 | $53,505 | $455 | $68,762 | $1,252 | -- | $69,858 | $1,227 | Yes |
| Average Number of Vehicles per Household 6 | 1.86 | 0.01 | 1.96 | 0.03 | -- | 1.93 | 0.03 | Yes |
| Percent of Persons in Poverty 7 | 6.70 | 0.20 | 8.90 | 0.61 | -- | 10.20 | 0.69 | Yes |
| Percent Minority 8 | 7.20 | 0.20 | 9.60 | 0.28 | 11.50 | 11.40 | 0.27 | Yes |
| Percent of Persons 65 and Over 9 | 13.50 | 0.20 | 13.90 | 0.37 | 14.00 | 14.50 | 0.36 | Yes |
| Percent of Persons Foreign Born 10 | 2.20 | 0.10 | 3.30 | 0.30 | -- | 3.50 | 0.29 | Yes |
| Total Workers at Place of Residence11 | 196,195 | 1,249 | 219,399 | 2,428 | -- | 214,014 | 1,967 | 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 | 193,125 | 100.0 | 1,250 | 212,217 | 100.0 | 2,742 | 209,274 | 100.0 | 2,081 | Yes |
| Drove alone | 162,775 | 84.3 | 1,236 | 176,951 | 83.4 | 2,554 | 177,460 | 84.8 | 2,489 | Yes |
| 2-person Carpool | 15,565 | 8.1 | 494 | 15,821 | 7.5 | 1,283 | 13,471 | 6.4 | 1,082 | Yes |
| 3-or-more-person Carpool | 2,775 | 1.4 | 212 | 3,403 | 1.6 | 635 | 3,300 | 1.6 | 470 | Yes |
| Transit | 1,089 | 0.6 | 133 | 2,460 | 1.2 | 636 | 1,568 | 0.7 | 396 | Yes |
| Bike | 525 | 0.3 | 93 | 484 | 0.2 | 228 | 581 | 0.3 | 291 | No |
| Walked | 4,175 | 2.2 | 260 | 4,324 | 2.0 | 686 | 4,090 | 2.0 | 603 | No |
| Taxi, Motorcycle and Other means | 1,040 | 0.5 | 130 | 2,037 | 1.0 | 363 | 1,990 | 1.0 | 417 | Yes |
| Worked at Home | 5,170 | 2.7 | 289 | 6,737 | 3.2 | 844 | 6,814 | 3.3 | 715 | 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 | 169,370 | 100.0 | 1,242 | 176,716 | 100.0 | 2,716 | 175,333 | 100.0 | 3,099 | Yes |
| Drove alone | 142,155 | 83.9 | 1,209 | 145,814 | 82.5 | 2,434 | 147,654 | 84.2 | 2,903 | Yes |
| 2-person Carpool | 13,220 | 7.8 | 457 | 12,535 | 7.1 | 1,149 | 10,669 | 6.1 | 905 | Yes |
| 3-or-more-person Carpool | 2,130 | 1.3 | 186 | 2,408 | 1.4 | 629 | 2,577 | 1.5 | 501 | No |
| Transit | 1,008 | 0.6 | 128 | 2,419 | 1.4 | 664 | 1,400 | 0.8 | 390 | No |
| Bike | 540 | 0.3 | 94 | 484 | 0.3 | 228 | 559 | 0.3 | 293 | No |
| Walked | 4,115 | 2.4 | 258 | 4,578 | 2.6 | 759 | 3,819 | 2.2 | 583 | No |
| Taxi, Motorcycle and Other means | 1,025 | 0.6 | 129 | 1,741 | 1.0 | 313 | 1,841 | 1.1 | 364 | Yes |
| Worked at Home | 5,170 | 3.1 | 289 | 6,737 | 3.8 | 844 | 6,814 | 3.9 | 715 | 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) | 23.9 | 0.2 | 26.5 | 0.7 | 26.7 | 0.6 | Yes |
| Drove alone | 23.8 | 0.2 | 26.1 | 0.6 | 26.4 | 0.7 | Yes |
| Carpooled | 28.1 | 0.8 | 31.8 | 3.8 | 32.3 | 3.7 | Yes |
| Transit | 35.9 | 3.6 | 35.0 | 12.7 | 44.7 | 17.8 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 12.9 | 1.0 | 17.4 | 4.2 | 15.2 | 3.0 | 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
