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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 | 1,419,369 | -- | 1,514,547 | -- | 1,493,350 | 1,498,125 | -- | -- |
| Persons in Households 2 | 1,390,780 | 677 | 1,480,962 | -- | 1,463,944 | 1,467,191 | -- | -- |
| Total Households 3 | 469,535 | 881 | 476,210 | 2,359 | 499,922 | 496,396 | 2,350 | Yes |
| Average Number of Persons per Household 4 | 2.96 | 0.01 | 3.11 | 0.01 | 2.93 | 2.96 | 0.01 | No |
| Average Household Income 5 | $79,410 | $369 | $104,914 | $1,386 | -- | $106,255 | $1,087 | Yes |
| Average Number of Vehicles per Household 6 | 1.94 | 0.01 | 2.03 | 0.02 | -- | 2.00 | 0.02 | Yes |
| Percent of Persons in Poverty 7 | 6.00 | 0.10 | 5.30 | 0.33 | -- | 6.50 | 0.35 | Yes |
| Percent Minority 8 | 15.40 | 0.10 | 16.00 | 0.32 | 19.20 | 18.50 | 0.34 | Yes |
| Percent of Persons 65 and Over 9 | 11.80 | 0.10 | 13.10 | 0.19 | 13.50 | 14.00 | 0.20 | Yes |
| Percent of Persons Foreign Born 10 | 11.20 | 0.10 | 13.50 | 0.34 | -- | 14.50 | 0.36 | Yes |
| Total Workers at Place of Residence11 | 683,661 | 2,409 | 752,890 | 5,323 | -- | 723,002 | 4,136 | 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 | 670,405 | 100.0 | 2,407 | 724,820 | 100.0 | 5,520 | 708,043 | 100.0 | 4,205 | Yes |
| Drove alone | 523,535 | 78.1 | 2,326 | 576,996 | 79.6 | 5,162 | 560,199 | 79.1 | 5,167 | Yes |
| 2-person Carpool | 54,545 | 8.1 | 927 | 48,607 | 6.7 | 2,379 | 44,451 | 6.3 | 2,255 | Yes |
| 3-or-more-person Carpool | 12,365 | 1.8 | 448 | 12,035 | 1.7 | 1,296 | 12,548 | 1.8 | 1,499 | No |
| Transit | 43,860 | 6.5 | 834 | 44,278 | 6.1 | 2,041 | 44,003 | 6.2 | 1,774 | No |
| Bike | 1,455 | 0.2 | 154 | 1,490 | 0.2 | 377 | 1,876 | 0.3 | 576 | No |
| Walked | 11,080 | 1.7 | 424 | 10,096 | 1.4 | 1,090 | 11,098 | 1.6 | 1,208 | No |
| Taxi, Motorcycle and Other means | 5,765 | 0.9 | 307 | 5,733 | 0.8 | 846 | 7,719 | 1.1 | 892 | Yes |
| Worked at Home | 17,800 | 2.7 | 536 | 25,585 | 3.5 | 1,938 | 26,149 | 3.7 | 1,501 | 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 | 563,190 | 100.0 | 2,358 | 631,756 | 100.0 | 6,663 | 616,422 | 100.0 | 5,880 | Yes |
| Drove alone | 459,460 | 81.6 | 2,255 | 522,432 | 82.7 | 4,974 | 505,584 | 82.0 | 6,026 | Yes |
| 2-person Carpool | 45,525 | 8.1 | 849 | 42,364 | 6.7 | 2,386 | 39,537 | 6.4 | 1,937 | Yes |
| 3-or-more-person Carpool | 11,155 | 2.0 | 426 | 11,578 | 1.8 | 1,369 | 11,796 | 1.9 | 1,395 | No |
| Transit | 11,405 | 2.0 | 430 | 12,767 | 2.0 | 1,356 | 12,892 | 2.1 | 1,172 | Yes |
| Bike | 1,435 | 0.3 | 153 | 1,454 | 0.2 | 358 | 2,017 | 0.3 | 584 | No |
| Walked | 11,115 | 2.0 | 425 | 10,261 | 1.6 | 1,129 | 11,240 | 1.8 | 1,253 | No |
| Taxi, Motorcycle and Other means | 5,300 | 0.9 | 294 | 5,315 | 0.8 | 897 | 7,207 | 1.2 | 923 | Yes |
| Worked at Home | 17,800 | 3.2 | 536 | 25,585 | 4.0 | 1,938 | 26,149 | 4.2 | 1,501 | 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) | 31.8 | 0.2 | 30.1 | 0.4 | 30.7 | 0.4 | Yes |
| Drove alone | 27.5 | 0.1 | 26.4 | 0.4 | 27.1 | 0.5 | No |
| Carpooled | 33.2 | 0.5 | 31.7 | 2.1 | 31.9 | 2.3 | No |
| Transit | 86.9 | 0.8 | 81.9 | 5.3 | 81.2 | 4.9 | Yes |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 17.9 | 0.7 | 17.4 | 2.5 | 17.2 | 2.4 | 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
