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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 | 522,541 | -- | 522,660 | -- | 536,499 | 540,650 | -- | -- |
| Persons in Households 2 | 514,735 | 419 | 516,902 | -- | 529,695 | 533,747 | -- | -- |
| Total Households 3 | 186,093 | 389 | 182,981 | 1,222 | 188,118 | 184,721 | 1,374 | No |
| Average Number of Persons per Household 4 | 2.77 | 0.01 | 2.82 | 0.02 | 2.82 | 2.89 | 0.02 | Yes |
| Average Household Income 5 | $74,985 | $731 | $91,132 | $1,979 | -- | $96,111 | $2,167 | Yes |
| Average Number of Vehicles per Household 6 | 1.60 | 0.01 | 1.57 | 0.02 | -- | 1.61 | 0.02 | No |
| Percent of Persons in Poverty 7 | 8.40 | 0.20 | 9.10 | 0.61 | -- | 11.00 | 0.74 | Yes |
| Percent Minority 8 | 34.50 | 0.30 | 40.40 | 0.64 | 38.70 | 41.40 | 0.67 | Yes |
| Percent of Persons 65 and Over 9 | 13.80 | 0.20 | 12.60 | 0.34 | 12.60 | 12.70 | 0.31 | Yes |
| Percent of Persons Foreign Born 10 | 25.10 | 0.30 | 27.70 | 0.77 | -- | 29.20 | 0.68 | Yes |
| Total Workers at Place of Residence11 | 244,272 | 1,725 | 262,539 | 2,960 | -- | 258,360 | 2,587 | 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 | 238,605 | 100.0 | 1,722 | 249,818 | 100.0 | 2,500 | 252,793 | 100.0 | 2,552 | Yes |
| Drove alone | 169,325 | 71.0 | 1,618 | 167,849 | 67.2 | 2,986 | 175,232 | 69.3 | 2,522 | Yes |
| 2-person Carpool | 19,880 | 8.3 | 661 | 16,084 | 6.4 | 1,488 | 14,678 | 5.8 | 1,176 | Yes |
| 3-or-more-person Carpool | 7,805 | 3.3 | 419 | 6,515 | 2.6 | 922 | 6,293 | 2.5 | 1,005 | Yes |
| Transit | 24,840 | 10.4 | 736 | 24,697 | 9.9 | 1,264 | 25,265 | 10.0 | 1,702 | No |
| Bike | 730 | 0.3 | 129 | 792 | 0.3 | 350 | 1,055 | 0.4 | 327 | No |
| Walked | 7,730 | 3.2 | 417 | 8,764 | 3.5 | 1,091 | 8,716 | 3.4 | 866 | Yes |
| Taxi, Motorcycle and Other means | 2,605 | 1.1 | 243 | 17,736 | 7.1 | 1,866 | 13,651 | 5.4 | 1,551 | Yes |
| Worked at Home | 5,690 | 2.4 | 359 | 7,381 | 3.0 | 916 | 7,903 | 3.1 | 698 | 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 | 229,085 | 100.0 | 1,715 | 239,198 | 100.0 | 4,302 | 230,034 | 100.0 | 3,778 | No |
| Drove alone | 175,680 | 76.7 | 1,633 | 176,853 | 73.9 | 3,688 | 172,548 | 75.0 | 3,088 | No |
| 2-person Carpool | 19,035 | 8.3 | 648 | 15,973 | 6.7 | 1,319 | 14,280 | 6.2 | 1,089 | Yes |
| 3-or-more-person Carpool | 7,325 | 3.2 | 406 | 5,944 | 2.5 | 920 | 5,574 | 2.4 | 809 | Yes |
| Transit | 10,700 | 4.7 | 490 | 11,649 | 4.9 | 1,146 | 12,703 | 5.5 | 1,368 | Yes |
| Bike | 630 | 0.3 | 120 | 776 | 0.3 | 313 | 794 | 0.3 | 305 | No |
| Walked | 7,895 | 3.4 | 422 | 8,781 | 3.7 | 1,116 | 8,227 | 3.6 | 806 | No |
| Taxi, Motorcycle and Other means | 2,135 | 0.9 | 220 | 11,841 | 5.0 | 1,521 | 8,005 | 3.5 | 1,090 | Yes |
| Worked at Home | 5,690 | 2.5 | 359 | 7,381 | 3.1 | 916 | 7,903 | 3.4 | 698 | 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) | 28.7 | 0.3 | 27.3 | 0.6 | 29.5 | 0.7 | Yes |
| Drove alone | 25.4 | 0.3 | 24.2 | 0.7 | 26.7 | 0.7 | Yes |
| Carpooled | 27.7 | 0.7 | 27.3 | 3.6 | 28.7 | 3.5 | No |
| Transit | 57.4 | 1.1 | 58.6 | 4.7 | 58.2 | 5.4 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 17.8 | 1.0 | 18.5 | 2.2 | 20.9 | 2.7 | 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
