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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 | 554,636 | -- | 594,073 | -- | 600,158 | 619,016 | -- | -- |
| Persons in Households 2 | 541,907 | 492 | 581,980 | -- | 584,177 | 604,710 | -- | -- |
| Total Households 3 | 239,415 | 472 | 248,433 | 1,874 | 263,107 | 266,248 | 1,573 | Yes |
| Average Number of Persons per Household 4 | 2.26 | 0.01 | 2.34 | 0.02 | 2.22 | 2.27 | 0.01 | No |
| Average Household Income 5 | $55,085 | $484 | $68,533 | $1,418 | -- | $73,299 | $1,491 | Yes |
| Average Number of Vehicles per Household 6 | 1.45 | 0.01 | 1.46 | 0.02 | -- | 1.49 | 0.02 | Yes |
| Percent of Persons in Poverty 7 | 14.30 | 0.20 | 18.10 | 0.91 | -- | 19.70 | 0.89 | Yes |
| Percent Minority 8 | 34.70 | 0.30 | 23.60 | 0.63 | 31.10 | 27.80 | 0.71 | Yes |
| Percent of Persons 65 and Over 9 | 11.20 | 0.20 | 10.30 | 0.29 | 10.40 | 10.40 | 0.27 | Yes |
| Percent of Persons Foreign Born 10 | 17.40 | 0.20 | 17.40 | 0.61 | -- | 16.00 | 0.52 | Yes |
| Total Workers at Place of Residence11 | 284,620 | 1,643 | 315,654 | 3,275 | -- | 320,166 | 3,381 | 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 | 278,715 | 100.0 | 1,644 | 305,696 | 100.0 | 3,040 | 314,770 | 100.0 | 3,308 | Yes |
| Drove alone | 190,275 | 68.3 | 1,561 | 210,854 | 69.0 | 3,252 | 219,493 | 69.7 | 3,257 | Yes |
| 2-person Carpool | 28,145 | 10.1 | 721 | 24,903 | 8.1 | 1,966 | 23,232 | 7.4 | 1,535 | Yes |
| 3-or-more-person Carpool | 9,520 | 3.4 | 427 | 6,880 | 2.3 | 1,368 | 6,398 | 2.0 | 864 | Yes |
| Transit | 23,095 | 8.3 | 657 | 25,197 | 8.2 | 2,144 | 21,010 | 6.7 | 1,423 | Yes |
| Bike | 2,650 | 1.0 | 227 | 5,429 | 1.8 | 693 | 7,878 | 2.5 | 1,015 | Yes |
| Walked | 12,110 | 4.3 | 480 | 12,409 | 4.1 | 1,312 | 14,254 | 4.5 | 1,233 | Yes |
| Taxi, Motorcycle and Other means | 2,685 | 1.0 | 228 | 4,033 | 1.3 | 721 | 3,554 | 1.1 | 578 | Yes |
| Worked at Home | 10,225 | 3.7 | 442 | 15,991 | 5.2 | 1,266 | 18,951 | 6.0 | 1,392 | 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 | 434,200 | 100.0 | 1,355 | 461,245 | 100.0 | 5,736 | 461,854 | 100.0 | 5,817 | Yes |
| Drove alone | 313,040 | 72.1 | 1,630 | 332,045 | 72.0 | 5,364 | 330,874 | 71.6 | 4,883 | Yes |
| 2-person Carpool | 41,570 | 9.6 | 866 | 37,653 | 8.2 | 2,386 | 35,319 | 7.6 | 2,075 | Yes |
| 3-or-more-person Carpool | 11,250 | 2.6 | 463 | 9,056 | 2.0 | 1,131 | 8,906 | 1.9 | 858 | Yes |
| Transit | 39,320 | 9.1 | 844 | 42,371 | 9.2 | 2,168 | 40,006 | 8.7 | 2,130 | No |
| Bike | 2,680 | 0.6 | 228 | 5,445 | 1.2 | 726 | 7,834 | 1.7 | 997 | Yes |
| Walked | 12,390 | 2.9 | 486 | 12,465 | 2.7 | 1,342 | 14,371 | 3.1 | 1,231 | Yes |
| Taxi, Motorcycle and Other means | 3,720 | 0.9 | 268 | 6,219 | 1.3 | 714 | 5,593 | 1.2 | 747 | Yes |
| Worked at Home | 10,225 | 2.4 | 442 | 15,991 | 3.5 | 1,266 | 18,951 | 4.1 | 1,392 | 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) | 24.5 | 0.2 | 25.3 | 0.5 | 24.2 | 0.5 | No |
| Drove alone | 22.8 | 0.2 | 23.8 | 0.6 | 23.2 | 0.6 | No |
| Carpooled | 26.9 | 0.5 | 26.4 | 3.2 | 25.4 | 2.4 | No |
| Transit | 37.6 | 0.8 | 41.8 | 5.3 | 41.4 | 4.5 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 19.9 | 0.8 | 19.5 | 2.5 | 18.1 | 2.1 | 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
