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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 | 1,334,544 | -- | 1,354,547 | -- | 1,339,532 | 1,345,448 | -- | -- |
| Persons in Households 2 | 1,312,809 | 592 | 1,331,422 | -- | 1,317,866 | 1,324,026 | -- | -- |
| Total Households 3 | 447,803 | 407 | 434,588 | 1,543 | 448,528 | 441,906 | 1,706 | Yes |
| Average Number of Persons per Household 4 | 2.93 | 0.01 | 3.06 | 0.01 | 2.94 | 3.00 | 0.01 | Yes |
| Average Household Income 5 | $94,925 | $450 | $121,897 | $1,405 | -- | $122,597 | $1,343 | Yes |
| Average Number of Vehicles per Household 6 | 1.81 | 0.01 | 1.89 | 0.02 | -- | 1.86 | 0.02 | Yes |
| Percent of Persons in Poverty 7 | 5.20 | 0.10 | 4.70 | 0.28 | -- | 6.30 | 0.36 | Yes |
| Percent Minority 8 | 20.70 | 0.10 | 24.70 | 0.31 | 27.00 | 28.40 | 0.36 | Yes |
| Percent of Persons 65 and Over 9 | 15.00 | 0.10 | 15.10 | 0.23 | 15.30 | 15.50 | 0.22 | Yes |
| Percent of Persons Foreign Born 10 | 17.90 | 0.10 | 20.00 | 0.35 | -- | 21.70 | 0.37 | Yes |
| Total Workers at Place of Residence11 | 631,634 | 2,334 | 673,692 | 4,427 | -- | 647,689 | 3,716 | 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 | 619,585 | 100.0 | 2,331 | 651,874 | 100.0 | 3,471 | 635,007 | 100.0 | 3,574 | Yes |
| Drove alone | 429,775 | 69.4 | 2,184 | 454,324 | 69.7 | 4,453 | 442,093 | 69.6 | 4,781 | Yes |
| 2-person Carpool | 43,255 | 7.0 | 828 | 39,232 | 6.0 | 2,089 | 37,971 | 6.0 | 1,753 | Yes |
| 3-or-more-person Carpool | 9,860 | 1.6 | 400 | 10,599 | 1.6 | 1,402 | 9,485 | 1.5 | 973 | No |
| Transit | 95,760 | 15.5 | 1,206 | 102,366 | 15.7 | 2,876 | 98,414 | 15.5 | 3,146 | No |
| Bike | 1,345 | 0.2 | 148 | 2,077 | 0.3 | 501 | 1,455 | 0.2 | 301 | No |
| Walked | 16,760 | 2.7 | 521 | 15,979 | 2.5 | 1,460 | 17,454 | 2.7 | 1,306 | No |
| Taxi, Motorcycle and Other means | 4,440 | 0.7 | 269 | 4,799 | 0.7 | 713 | 5,427 | 0.9 | 713 | Yes |
| Worked at Home | 18,390 | 3.0 | 545 | 22,498 | 3.5 | 1,386 | 22,708 | 3.6 | 1,403 | 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 | 554,490 | 100.0 | 2,303 | 582,347 | 100.0 | 6,223 | 562,203 | 100.0 | 6,813 | Yes |
| Drove alone | 417,355 | 75.3 | 2,167 | 446,368 | 76.6 | 5,561 | 426,358 | 75.8 | 6,208 | Yes |
| 2-person Carpool | 41,635 | 7.5 | 813 | 39,123 | 6.7 | 2,280 | 36,630 | 6.5 | 2,020 | Yes |
| 3-or-more-person Carpool | 11,285 | 2.0 | 428 | 12,010 | 2.1 | 1,476 | 10,750 | 1.9 | 1,184 | No |
| Transit | 41,090 | 7.4 | 807 | 38,686 | 6.6 | 2,301 | 40,477 | 7.2 | 1,987 | No |
| Bike | 1,450 | 0.3 | 154 | 2,227 | 0.4 | 470 | 1,571 | 0.3 | 314 | No |
| Walked | 18,040 | 3.3 | 540 | 16,302 | 2.8 | 1,288 | 18,339 | 3.3 | 1,311 | No |
| Taxi, Motorcycle and Other means | 5,250 | 0.9 | 293 | 5,133 | 0.9 | 754 | 5,370 | 1.0 | 764 | No |
| Worked at Home | 18,390 | 3.3 | 545 | 22,498 | 3.9 | 1,386 | 22,708 | 4.0 | 1,403 | 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) | 34.3 | 0.2 | 33.1 | 0.4 | 33.8 | 0.4 | Yes |
| Drove alone | 27.9 | 0.2 | 26.8 | 0.5 | 27.7 | 0.5 | No |
| Carpooled | 34.1 | 0.6 | 32.4 | 2.7 | 31.8 | 2.1 | Yes |
| Transit | 67.2 | 0.5 | 65.4 | 2.8 | 66.3 | 3.0 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 16.5 | 0.6 | 16.3 | 2.3 | 17.4 | 1.8 | 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
