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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 | 711,644 | -- | 762,609 | 895 | 787,033 | 799,357 | 885 | -- |
| Persons in Households 2 | 693,930 | 532 | 744,072 | -- | 765,934 | 780,182 | -- | -- |
| Total Households 3 | 301,800 | 622 | 313,995 | 2,869 | 331,602 | 324,641 | 2,387 | Yes |
| Average Number of Persons per Household 4 | 2.30 | 0.01 | 2.37 | 0.02 | 2.31 | 2.40 | 0.02 | Yes |
| Average Household Income 5 | $47,600 | $308 | $54,159 | $926 | -- | $55,908 | $901 | Yes |
| Average Number of Vehicles per Household 6 | 1.52 | 0.01 | 1.52 | 0.02 | -- | 1.51 | 0.02 | No |
| Percent of Persons in Poverty 7 | 14.80 | 0.20 | 20.80 | 0.71 | -- | 22.40 | 0.77 | Yes |
| Percent Minority 8 | 32.00 | 0.20 | 34.10 | 0.42 | 38.50 | 37.90 | 0.41 | Yes |
| Percent of Persons 65 and Over 9 | 8.80 | 0.10 | 8.70 | 0.25 | 8.60 | 8.80 | 0.24 | No |
| Percent of Persons Foreign Born 10 | 6.70 | 0.10 | 9.90 | 0.45 | -- | 10.90 | 0.40 | Yes |
| Total Workers at Place of Residence11 | 375,364 | 1,704 | 392,982 | 4,565 | -- | 393,363 | 3,738 | 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 | 367,385 | 100.0 | 1,706 | 382,239 | 100.0 | 4,348 | 384,629 | 100.0 | 3,696 | Yes |
| Drove alone | 290,170 | 79.0 | 1,677 | 310,843 | 81.3 | 4,365 | 308,830 | 80.3 | 4,251 | Yes |
| 2-person Carpool | 32,360 | 8.8 | 711 | 24,646 | 6.4 | 1,741 | 26,886 | 7.0 | 1,674 | Yes |
| 3-or-more-person Carpool | 7,185 | 2.0 | 341 | 6,572 | 1.7 | 1,090 | 6,306 | 1.6 | 914 | No |
| Transit | 14,030 | 3.8 | 475 | 11,173 | 2.9 | 1,141 | 11,773 | 3.1 | 991 | Yes |
| Bike | 1,240 | 0.3 | 142 | 2,993 | 0.8 | 531 | 2,585 | 0.7 | 479 | Yes |
| Walked | 11,745 | 3.2 | 435 | 10,096 | 2.6 | 1,057 | 11,486 | 3.0 | 1,074 | No |
| Taxi, Motorcycle and Other means | 2,250 | 0.6 | 192 | 3,121 | 0.8 | 523 | 3,576 | 0.9 | 631 | Yes |
| Worked at Home | 8,405 | 2.3 | 369 | 12,795 | 3.3 | 1,217 | 13,187 | 3.4 | 1,087 | 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 | 450,605 | 100.0 | 1,645 | 466,265 | 100.0 | 4,383 | 468,052 | 100.0 | 5,299 | Yes |
| Drove alone | 365,930 | 81.2 | 1,706 | 384,622 | 82.5 | 3,734 | 384,832 | 82.2 | 5,309 | Yes |
| 2-person Carpool | 38,500 | 8.5 | 772 | 32,841 | 7.0 | 1,853 | 32,237 | 6.9 | 1,866 | Yes |
| 3-or-more-person Carpool | 8,395 | 1.9 | 369 | 7,596 | 1.6 | 904 | 7,115 | 1.5 | 890 | Yes |
| Transit | 14,440 | 3.2 | 481 | 11,400 | 2.4 | 1,060 | 12,322 | 2.6 | 998 | Yes |
| Bike | 1,180 | 0.3 | 139 | 3,039 | 0.7 | 527 | 2,783 | 0.6 | 480 | Yes |
| Walked | 11,320 | 2.5 | 427 | 10,181 | 2.2 | 1,109 | 11,314 | 2.4 | 1,087 | No |
| Taxi, Motorcycle and Other means | 2,430 | 0.5 | 199 | 3,791 | 0.8 | 539 | 4,262 | 0.9 | 621 | Yes |
| Worked at Home | 8,405 | 1.9 | 369 | 12,795 | 2.7 | 1,217 | 13,187 | 2.8 | 1,087 | 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) | 21.9 | 0.1 | 20.9 | 0.4 | 21.3 | 0.4 | Yes |
| Drove alone | 21.3 | 0.1 | 20.3 | 0.5 | 20.8 | 0.5 | No |
| Carpooled | 23.2 | 0.4 | 22.2 | 2.4 | 22.2 | 2.1 | No |
| Transit | 35.8 | 1.0 | 38.2 | 6.1 | 37.8 | 5.0 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 16.5 | 0.7 | 17.0 | 2.4 | 18.5 | 2.5 | 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
