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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 | 569,891 | -- | 628,434 | -- | 626,681 | 637,303 | -- | -- |
| Persons in Households 2 | 545,686 | 728 | 606,600 | -- | 600,811 | 613,169 | -- | -- |
| Total Households 3 | 237,432 | 578 | 254,651 | 2,216 | 259,499 | 254,917 | 1,757 | Yes |
| Average Number of Persons per Household 4 | 2.30 | 0.01 | 2.38 | 0.02 | 2.32 | 2.41 | 0.02 | Yes |
| Average Household Income 5 | $54,445 | $516 | $66,097 | $1,596 | -- | $65,592 | $1,320 | Yes |
| Average Number of Vehicles per Household 6 | 1.61 | 0.01 | 1.67 | 0.03 | -- | 1.64 | 0.02 | Yes |
| Percent of Persons in Poverty 7 | 13.00 | 0.20 | 16.20 | 0.81 | -- | 19.40 | 0.95 | Yes |
| Percent Minority 8 | 33.00 | 0.30 | 34.50 | 0.37 | 38.60 | 38.20 | 0.53 | Yes |
| Percent of Persons 65 and Over 9 | 11.20 | 0.20 | 10.70 | 0.27 | 10.40 | 10.50 | 0.26 | Yes |
| Percent of Persons Foreign Born 10 | 6.90 | 0.20 | 11.10 | 0.52 | -- | 11.70 | 0.47 | Yes |
| Total Workers at Place of Residence11 | 291,686 | 1,804 | 328,042 | 3,427 | -- | 316,642 | 3,602 | 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 | 285,980 | 100.0 | 1,805 | 314,778 | 100.0 | 3,668 | 308,482 | 100.0 | 3,621 | Yes |
| Drove alone | 224,845 | 78.6 | 1,764 | 253,993 | 80.7 | 3,923 | 245,068 | 79.4 | 3,861 | Yes |
| 2-person Carpool | 30,410 | 10.6 | 811 | 24,889 | 7.9 | 1,717 | 26,059 | 8.4 | 1,532 | Yes |
| 3-or-more-person Carpool | 7,705 | 2.7 | 417 | 5,197 | 1.7 | 962 | 7,106 | 2.3 | 1,075 | No |
| Transit | 4,704 | 1.6 | 327 | 6,526 | 2.1 | 892 | 6,899 | 2.2 | 835 | Yes |
| Bike | 405 | 0.1 | 96 | 891 | 0.3 | 326 | 956 | 0.3 | 302 | Yes |
| Walked | 6,680 | 2.3 | 389 | 5,137 | 1.6 | 690 | 5,774 | 1.9 | 838 | No |
| Taxi, Motorcycle and Other means | 2,370 | 0.8 | 232 | 3,893 | 1.2 | 775 | 3,364 | 1.1 | 648 | Yes |
| Worked at Home | 8,865 | 3.1 | 447 | 14,252 | 4.5 | 1,209 | 13,256 | 4.3 | 1,035 | 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 | 399,690 | 100.0 | 1,652 | 427,133 | 100.0 | 5,278 | 411,082 | 100.0 | 4,394 | Yes |
| Drove alone | 321,450 | 80.4 | 1,790 | 349,467 | 81.8 | 4,614 | 335,796 | 81.7 | 4,518 | Yes |
| 2-person Carpool | 42,725 | 10.7 | 951 | 37,356 | 8.7 | 2,095 | 34,349 | 8.4 | 1,872 | Yes |
| 3-or-more-person Carpool | 11,610 | 2.9 | 510 | 8,609 | 2.0 | 985 | 9,537 | 2.3 | 1,198 | Yes |
| Transit | 4,879 | 1.2 | 333 | 6,803 | 1.6 | 927 | 7,797 | 1.9 | 812 | Yes |
| Bike | 425 | 0.1 | 99 | 826 | 0.2 | 304 | 913 | 0.2 | 308 | Yes |
| Walked | 6,770 | 1.7 | 391 | 5,108 | 1.2 | 685 | 5,741 | 1.4 | 861 | Yes |
| Taxi, Motorcycle and Other means | 2,965 | 0.7 | 260 | 4,712 | 1.1 | 908 | 3,693 | 0.9 | 644 | Yes |
| Worked at Home | 8,865 | 2.2 | 447 | 14,252 | 3.3 | 1,209 | 13,256 | 3.2 | 1,035 | 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) | 23.3 | 0.2 | 23.1 | 0.5 | 23.1 | 0.5 | No |
| Drove alone | 22.7 | 0.2 | 22.4 | 0.6 | 22.3 | 0.6 | No |
| Carpooled | 25.5 | 0.5 | 25.4 | 2.7 | 25.3 | 2.3 | No |
| Transit | 42.0 | 2.3 | 40.6 | 8.0 | 42.8 | 8.2 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 19.9 | 1.4 | 21.7 | 4.1 | 21.7 | 5.4 | 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
