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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 | 312,090 | -- | 340,797 | -- | 349,497 | 352,948 | -- | -- |
| Persons in Households 2 | 301,826 | 403 | 332,689 | -- | 340,504 | 343,647 | -- | -- |
| Total Households 3 | 121,947 | 328 | 130,235 | 1,122 | 133,983 | 133,322 | 1,043 | Yes |
| Average Number of Persons per Household 4 | 2.48 | 0.01 | 2.55 | 0.02 | 2.54 | 2.58 | 0.02 | Yes |
| Average Household Income 5 | $55,290 | $569 | $69,762 | $1,848 | -- | $69,437 | $1,452 | Yes |
| Average Number of Vehicles per Household 6 | 1.69 | 0.01 | 1.78 | 0.03 | -- | 1.72 | 0.03 | No |
| Percent of Persons in Poverty 7 | 9.30 | 0.20 | 10.40 | 0.89 | -- | 13.40 | 0.80 | Yes |
| Percent Minority 8 | 13.00 | 0.20 | 17.80 | 0.66 | 20.90 | 18.60 | 0.73 | Yes |
| Percent of Persons 65 and Over 9 | 15.80 | 0.30 | 15.20 | 0.41 | 14.80 | 14.90 | 0.42 | Yes |
| Percent of Persons Foreign Born 10 | 6.20 | 0.20 | 8.90 | 0.56 | -- | 10.30 | 0.65 | Yes |
| Total Workers at Place of Residence11 | 150,509 | 1,129 | 167,421 | 2,234 | -- | 164,862 | 1,930 | 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 | 147,930 | 100.0 | 1,129 | 161,399 | 100.0 | 1,953 | 161,575 | 100.0 | 1,919 | Yes |
| Drove alone | 120,830 | 81.7 | 1,101 | 132,799 | 82.3 | 2,241 | 130,621 | 80.8 | 2,479 | Yes |
| 2-person Carpool | 12,180 | 8.2 | 438 | 11,393 | 7.1 | 930 | 12,422 | 7.7 | 1,396 | No |
| 3-or-more-person Carpool | 2,385 | 1.6 | 197 | 2,740 | 1.7 | 520 | 3,455 | 2.1 | 721 | Yes |
| Transit | 2,255 | 1.5 | 191 | 3,337 | 2.1 | 637 | 3,193 | 2.0 | 519 | Yes |
| Bike | 320 | 0.2 | 72 | 405 | 0.3 | 241 | 433 | 0.3 | 252 | No |
| Walked | 5,175 | 3.5 | 289 | 4,276 | 2.6 | 628 | 4,171 | 2.6 | 600 | Yes |
| Taxi, Motorcycle and Other means | 775 | 0.5 | 113 | 1,046 | 0.6 | 365 | 663 | 0.4 | 201 | No |
| Worked at Home | 4,015 | 2.7 | 255 | 5,403 | 3.3 | 637 | 6,617 | 4.1 | 936 | 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 | 164,295 | 100.0 | 1,129 | 174,679 | 100.0 | 2,636 | 171,707 | 100.0 | 2,544 | Yes |
| Drove alone | 136,505 | 83.1 | 1,121 | 145,419 | 83.2 | 2,854 | 141,436 | 82.4 | 2,856 | Yes |
| 2-person Carpool | 12,915 | 7.9 | 450 | 12,524 | 7.2 | 1,015 | 11,877 | 6.9 | 1,324 | No |
| 3-or-more-person Carpool | 2,435 | 1.5 | 199 | 2,951 | 1.7 | 533 | 3,698 | 2.2 | 643 | Yes |
| Transit | 2,195 | 1.3 | 189 | 2,651 | 1.5 | 517 | 2,634 | 1.5 | 601 | No |
| Bike | 295 | 0.2 | 69 | 395 | 0.2 | 241 | 446 | 0.3 | 246 | No |
| Walked | 5,120 | 3.1 | 287 | 4,168 | 2.4 | 631 | 4,139 | 2.4 | 609 | Yes |
| Taxi, Motorcycle and Other means | 820 | 0.5 | 116 | 1,168 | 0.7 | 334 | 860 | 0.5 | 221 | No |
| Worked at Home | 4,015 | 2.4 | 255 | 5,403 | 3.1 | 637 | 6,617 | 3.9 | 936 | 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) | 22.1 | 0.2 | 23.7 | 0.7 | 24.2 | 0.6 | Yes |
| Drove alone | 21.7 | 0.3 | 23.2 | 0.8 | 23.7 | 0.8 | Yes |
| Carpooled | 25.1 | 0.9 | 28.3 | 3.9 | 28.3 | 4.7 | No |
| Transit | 43.7 | 3.3 | 45.3 | 13.1 | 45.2 | 10.7 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 15.1 | 1.1 | 13.1 | 3.0 | 13.9 | 3.3 | 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
