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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 | 432,976 | -- | 637,101 | -- | 662,614 | 686,622 | -- | -- |
| Persons in Households 2 | 423,824 | 383 | 621,367 | -- | 652,270 | 674,862 | -- | -- |
| Total Households 3 | 159,062 | 374 | 207,417 | 1,855 | 240,289 | 242,679 | 1,999 | Yes |
| Average Number of Persons per Household 4 | 2.66 | 0.01 | 3.00 | 0.02 | 2.71 | 2.78 | 0.02 | Yes |
| Average Household Income 5 | $72,455 | $606 | $89,410 | $1,806 | -- | $90,186 | $1,495 | Yes |
| Average Number of Vehicles per Household 6 | 1.87 | 0.01 | 1.92 | 0.03 | -- | 1.90 | 0.03 | No |
| Percent of Persons in Poverty 7 | 6.60 | 0.20 | 7.90 | 0.66 | -- | 8.80 | 0.75 | Yes |
| Percent Minority 8 | 18.30 | 0.20 | 21.50 | 0.49 | 25.00 | 21.70 | 0.61 | Yes |
| Percent of Persons 65 and Over 9 | 5.00 | 0.10 | 6.10 | 0.26 | 6.90 | 7.40 | 0.27 | Yes |
| Percent of Persons Foreign Born 10 | 9.40 | 0.20 | 13.40 | 0.52 | -- | 13.70 | 0.48 | Yes |
| Total Workers at Place of Residence11 | 239,355 | 1,324 | 347,562 | 3,527 | -- | 360,759 | 3,859 | 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 | 235,670 | 100.0 | 1,326 | 330,211 | 100.0 | 2,977 | 350,040 | 100.0 | 3,873 | Yes |
| Drove alone | 193,215 | 82.0 | 1,323 | 267,969 | 81.2 | 3,613 | 281,502 | 80.4 | 3,813 | Yes |
| 2-person Carpool | 19,915 | 8.5 | 558 | 27,660 | 8.4 | 2,151 | 28,638 | 8.2 | 2,388 | Yes |
| 3-or-more-person Carpool | 5,785 | 2.5 | 306 | 6,548 | 2.0 | 1,169 | 5,967 | 1.7 | 1,202 | No |
| Transit | 1,433 | 0.6 | 153 | 2,194 | 0.7 | 617 | 3,036 | 0.9 | 559 | Yes |
| Bike | 530 | 0.2 | 93 | 1,652 | 0.5 | 550 | 1,158 | 0.3 | 387 | Yes |
| Walked | 3,790 | 1.6 | 248 | 4,858 | 1.5 | 935 | 3,962 | 1.1 | 598 | No |
| Taxi, Motorcycle and Other means | 2,190 | 0.9 | 189 | 2,706 | 0.8 | 412 | 3,532 | 1.0 | 687 | Yes |
| Worked at Home | 8,800 | 3.7 | 376 | 16,624 | 5.0 | 1,733 | 22,245 | 6.4 | 1,944 | 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 | 141,075 | 100.0 | 1,248 | 202,215 | 100.0 | 3,720 | 222,350 | 100.0 | 4,864 | Yes |
| Drove alone | 105,240 | 74.6 | 1,142 | 153,391 | 75.9 | 3,607 | 167,067 | 75.1 | 4,393 | Yes |
| 2-person Carpool | 14,615 | 10.4 | 481 | 17,805 | 8.8 | 1,712 | 18,931 | 8.5 | 2,046 | Yes |
| 3-or-more-person Carpool | 5,875 | 4.2 | 308 | 5,484 | 2.7 | 944 | 5,586 | 2.5 | 1,311 | No |
| Transit | 775 | 0.5 | 113 | 1,212 | 0.6 | 421 | 1,587 | 0.7 | 427 | Yes |
| Bike | 535 | 0.4 | 94 | 1,639 | 0.8 | 538 | 1,142 | 0.5 | 391 | Yes |
| Walked | 3,715 | 2.6 | 246 | 4,499 | 2.2 | 886 | 3,556 | 1.6 | 570 | No |
| Taxi, Motorcycle and Other means | 1,525 | 1.1 | 158 | 1,561 | 0.8 | 353 | 2,236 | 1.0 | 511 | Yes |
| Worked at Home | 8,800 | 6.2 | 376 | 16,624 | 8.2 | 1,733 | 22,245 | 10.0 | 1,944 | 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) | 28.2 | 0.2 | 27.4 | 0.6 | 27.2 | 0.6 | Yes |
| Drove alone | 28.2 | 0.2 | 27.2 | 0.6 | 26.9 | 0.6 | Yes |
| Carpooled | 26.8 | 0.6 | 28.6 | 3.0 | 26.2 | 3.1 | No |
| Transit | 50.3 | 3.5 | 46.9 | 21.0 | 52.1 | 16.0 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 29.1 | 1.9 | 22.8 | 4.9 | 31.8 | 8.3 | 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
