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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 | 334,563 | -- | 312,042 | 60 | 305,704 | 306,006 | 95 | -- |
| Persons in Households 2 | 311,730 | 590 | 287,771 | -- | 281,375 | 281,861 | -- | -- |
| Total Households 3 | 143,752 | 532 | 136,782 | 2,279 | 136,217 | 131,719 | 1,666 | Yes |
| Average Number of Persons per Household 4 | 2.17 | 0.02 | 2.10 | 0.03 | 2.07 | 2.14 | 0.02 | Yes |
| Average Household Income 5 | $42,255 | $501 | $55,539 | $1,902 | -- | $57,505 | $1,878 | Yes |
| Average Number of Vehicles per Household 6 | 1.06 | 0.01 | 1.15 | 0.03 | -- | 1.13 | 0.03 | Yes |
| Percent of Persons in Poverty 7 | 20.40 | 0.30 | 21.50 | 1.08 | -- | 22.90 | 0.95 | Yes |
| Percent Minority 8 | 32.30 | 0.30 | 32.10 | 0.73 | 34.00 | 33.60 | 0.70 | Yes |
| Percent of Persons 65 and Over 9 | 16.40 | 0.30 | 14.60 | 0.51 | 13.80 | 14.10 | 0.46 | Yes |
| Percent of Persons Foreign Born 10 | 5.60 | 0.20 | 7.10 | 0.54 | -- | 7.20 | 0.47 | Yes |
| Total Workers at Place of Residence11 | 144,954 | 1,160 | 148,803 | 3,156 | -- | 144,360 | 2,739 | No |
| 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 | 141,845 | 100.0 | 1,157 | 146,189 | 100.0 | 2,522 | 140,456 | 100.0 | 2,564 | No |
| Drove alone | 77,785 | 54.8 | 989 | 79,779 | 54.6 | 2,385 | 76,023 | 54.1 | 2,184 | No |
| 2-person Carpool | 13,475 | 9.5 | 460 | 11,788 | 8.1 | 982 | 12,213 | 8.7 | 892 | Yes |
| 3-or-more-person Carpool | 2,660 | 1.9 | 208 | 2,491 | 1.7 | 494 | 2,419 | 1.7 | 498 | No |
| Transit | 28,900 | 20.4 | 657 | 27,892 | 19.1 | 1,420 | 25,206 | 17.9 | 1,352 | Yes |
| Bike | 625 | 0.4 | 101 | 1,603 | 1.1 | 306 | 2,092 | 1.5 | 386 | Yes |
| Walked | 13,870 | 9.8 | 467 | 17,244 | 11.8 | 1,432 | 15,360 | 10.9 | 1,152 | Yes |
| Taxi, Motorcycle and Other means | 1,165 | 0.8 | 138 | 1,011 | 0.7 | 234 | 1,867 | 1.3 | 408 | Yes |
| Worked at Home | 3,360 | 2.4 | 233 | 4,381 | 3.0 | 506 | 5,276 | 3.8 | 741 | 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 | 281,445 | 100.0 | 855 | 293,432 | 100.0 | 3,453 | 289,682 | 100.0 | 3,489 | Yes |
| Drove alone | 177,565 | 63.1 | 1,168 | 183,402 | 62.5 | 3,064 | 182,853 | 63.1 | 3,187 | Yes |
| 2-person Carpool | 27,465 | 9.8 | 642 | 27,771 | 9.5 | 1,526 | 25,341 | 8.7 | 1,274 | Yes |
| 3-or-more-person Carpool | 5,745 | 2.0 | 304 | 4,910 | 1.7 | 598 | 4,975 | 1.7 | 607 | Yes |
| Transit | 51,185 | 18.2 | 842 | 51,773 | 17.6 | 1,878 | 50,925 | 17.6 | 1,793 | No |
| Bike | 660 | 0.2 | 104 | 1,758 | 0.6 | 307 | 2,145 | 0.7 | 378 | Yes |
| Walked | 13,715 | 4.9 | 464 | 17,451 | 5.9 | 1,396 | 15,490 | 5.3 | 1,072 | Yes |
| Taxi, Motorcycle and Other means | 1,750 | 0.6 | 169 | 1,986 | 0.7 | 415 | 2,677 | 0.9 | 475 | Yes |
| Worked at Home | 3,360 | 1.2 | 233 | 4,381 | 1.5 | 506 | 5,276 | 1.8 | 741 | 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) | 23.1 | 0.2 | 23.0 | 0.8 | 23.1 | 0.8 | No |
| Drove alone | 21.5 | 0.3 | 21.0 | 0.9 | 22.2 | 1.0 | No |
| Carpooled | 21.9 | 0.6 | 21.6 | 2.7 | 20.5 | 2.2 | No |
| Transit | 33.0 | 0.6 | 34.1 | 2.9 | 32.8 | 2.9 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 13.7 | 0.4 | 16.3 | 2.3 | 15.8 | 1.5 | 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
