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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 | 902,195 | -- | 966,751 | 0 | 989,415 | 997,852 | 0 | -- |
| Persons in Households 2 | 877,381 | 629 | 940,238 | -- | 960,566 | 969,018 | -- | -- |
| Total Households 3 | 359,070 | 874 | 375,055 | 1,751 | 409,607 | 404,990 | 2,224 | Yes |
| Average Number of Persons per Household 4 | 2.44 | 0.01 | 2.51 | 0.01 | 2.35 | 2.39 | 0.01 | Yes |
| Average Household Income 5 | $42,470 | $272 | $56,464 | $717 | -- | $59,139 | $842 | Yes |
| Average Number of Vehicles per Household 6 | 1.96 | 0.01 | 2.05 | 0.02 | -- | 2.04 | 0.02 | Yes |
| Percent of Persons in Poverty 7 | 14.60 | 0.20 | 14.90 | 0.51 | -- | 15.20 | 0.47 | Yes |
| Percent Minority 8 | 9.40 | 0.10 | 10.50 | 0.13 | 10.60 | 10.50 | 0.11 | Yes |
| Percent of Persons 65 and Over 9 | 13.40 | 0.10 | 14.20 | 0.23 | 14.80 | 15.20 | 0.23 | Yes |
| Percent of Persons Foreign Born 10 | 1.80 | 0.10 | 1.90 | 0.14 | -- | 2.00 | 0.13 | Yes |
| Total Workers at Place of Residence11 | 429,596 | 1,919 | 477,554 | 4,255 | -- | 478,844 | 3,280 | 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 | 422,160 | 100.0 | 1,918 | 465,052 | 100.0 | 3,570 | 467,365 | 100.0 | 3,315 | Yes |
| Drove alone | 311,870 | 73.9 | 1,828 | 344,859 | 74.2 | 4,162 | 352,392 | 75.4 | 3,569 | Yes |
| 2-person Carpool | 38,850 | 9.2 | 780 | 37,473 | 8.1 | 2,141 | 38,544 | 8.2 | 1,972 | No |
| 3-or-more-person Carpool | 11,345 | 2.7 | 428 | 11,075 | 2.4 | 1,129 | 10,052 | 2.2 | 942 | Yes |
| Transit | 2,645 | 0.6 | 208 | 4,996 | 1.1 | 778 | 4,004 | 0.9 | 608 | Yes |
| Bike | 4,050 | 1.0 | 257 | 7,163 | 1.5 | 943 | 6,325 | 1.4 | 717 | Yes |
| Walked | 23,335 | 5.5 | 610 | 24,030 | 5.2 | 1,594 | 22,190 | 4.7 | 1,177 | No |
| Taxi, Motorcycle and Other means | 3,155 | 0.7 | 227 | 5,370 | 1.2 | 696 | 4,651 | 1.0 | 630 | Yes |
| Worked at Home | 26,910 | 6.4 | 654 | 30,086 | 6.5 | 1,751 | 29,207 | 6.2 | 1,362 | 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 | 420,180 | 100.0 | 1,917 | 464,466 | 100.0 | 3,571 | 465,617 | 100.0 | 3,531 | Yes |
| Drove alone | 310,675 | 73.9 | 1,826 | 344,482 | 74.2 | 4,133 | 351,544 | 75.5 | 3,810 | Yes |
| 2-person Carpool | 38,690 | 9.2 | 779 | 37,776 | 8.1 | 2,110 | 38,478 | 8.3 | 1,970 | No |
| 3-or-more-person Carpool | 11,335 | 2.7 | 428 | 11,157 | 2.4 | 1,113 | 10,119 | 2.2 | 959 | Yes |
| Transit | 2,550 | 0.6 | 204 | 4,940 | 1.1 | 781 | 3,809 | 0.8 | 621 | Yes |
| Bike | 4,025 | 1.0 | 256 | 7,111 | 1.5 | 931 | 6,346 | 1.4 | 722 | Yes |
| Walked | 23,205 | 5.5 | 608 | 23,999 | 5.2 | 1,575 | 21,949 | 4.7 | 1,192 | No |
| Taxi, Motorcycle and Other means | 2,795 | 0.7 | 214 | 4,915 | 1.1 | 675 | 4,165 | 0.9 | 572 | Yes |
| Worked at Home | 26,910 | 6.4 | 654 | 30,086 | 6.5 | 1,751 | 29,207 | 6.3 | 1,362 | 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) | 17.7 | 0.1 | 17.5 | 0.3 | 18.3 | 0.4 | Yes |
| Drove alone | 16.9 | 0.1 | 16.7 | 0.3 | 17.6 | 0.4 | Yes |
| Carpooled | 24.2 | 0.5 | 24.3 | 2.1 | 24.6 | 1.8 | No |
| Transit | 45.3 | 3.2 | 38.2 | 8.9 | 38.5 | 9.0 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 12.7 | 0.5 | 13.0 | 1.4 | 14.6 | 1.9 | 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
