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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 | 511,035 | -- | 502,781 | -- | 508,640 | 514,982 | -- | -- |
| Persons in Households 2 | 493,495 | 527 | 485,999 | -- | 490,256 | 498,511 | -- | -- |
| Total Households 3 | 201,379 | 285 | 201,711 | 1,339 | 202,691 | 204,535 | 1,286 | Yes |
| Average Number of Persons per Household 4 | 2.45 | 0.01 | 2.41 | 0.01 | 2.42 | 2.44 | 0.01 | No |
| Average Household Income 5 | $58,555 | $466 | $69,854 | $1,242 | -- | $70,778 | $1,194 | Yes |
| Average Number of Vehicles per Household 6 | 1.56 | 0.01 | 1.58 | 0.02 | -- | 1.58 | 0.02 | No |
| Percent of Persons in Poverty 7 | 10.60 | 0.20 | 14.50 | 0.75 | -- | 17.40 | 0.84 | Yes |
| Percent Minority 8 | 22.60 | 0.20 | 23.70 | 0.32 | 29.90 | 29.00 | 0.32 | Yes |
| Percent of Persons 65 and Over 9 | 11.70 | 0.20 | 13.10 | 0.31 | 12.00 | 12.20 | 0.29 | Yes |
| Percent of Persons Foreign Born 10 | 10.60 | 0.20 | 12.00 | 0.50 | -- | 14.40 | 0.47 | Yes |
| Total Workers at Place of Residence11 | 265,087 | 1,445 | 254,727 | 2,694 | -- | 254,950 | 2,406 | 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 | 260,285 | 100.0 | 1,446 | 249,152 | 100.0 | 2,544 | 250,244 | 100.0 | 2,391 | Yes |
| Drove alone | 195,315 | 75.0 | 1,406 | 186,902 | 75.0 | 2,518 | 186,788 | 74.6 | 2,993 | Yes |
| 2-person Carpool | 24,110 | 9.3 | 613 | 18,945 | 7.6 | 1,306 | 19,405 | 7.8 | 1,338 | Yes |
| 3-or-more-person Carpool | 4,625 | 1.8 | 274 | 4,334 | 1.7 | 698 | 4,918 | 2.0 | 693 | No |
| Transit | 15,470 | 5.9 | 496 | 16,422 | 6.6 | 956 | 14,647 | 5.9 | 1,092 | No |
| Bike | 1,245 | 0.5 | 143 | 2,337 | 0.9 | 346 | 2,338 | 0.9 | 354 | Yes |
| Walked | 9,855 | 3.8 | 398 | 8,203 | 3.3 | 970 | 7,551 | 3.0 | 877 | Yes |
| Taxi, Motorcycle and Other means | 1,630 | 0.6 | 163 | 1,785 | 0.7 | 367 | 2,023 | 0.8 | 385 | No |
| Worked at Home | 8,035 | 3.1 | 360 | 10,224 | 4.1 | 953 | 12,574 | 5.0 | 1,015 | 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 | 316,370 | 100.0 | 1,405 | 311,761 | 100.0 | 3,871 | 313,363 | 100.0 | 4,706 | No |
| Drove alone | 247,660 | 78.3 | 1,446 | 244,128 | 78.3 | 3,334 | 246,931 | 78.8 | 3,984 | No |
| 2-person Carpool | 28,825 | 9.1 | 667 | 24,969 | 8.0 | 1,291 | 23,880 | 7.6 | 1,393 | Yes |
| 3-or-more-person Carpool | 6,295 | 2.0 | 319 | 6,308 | 2.0 | 830 | 6,117 | 2.0 | 735 | No |
| Transit | 12,800 | 4.0 | 452 | 13,633 | 4.4 | 1,080 | 12,056 | 3.8 | 1,063 | No |
| Bike | 1,205 | 0.4 | 140 | 2,025 | 0.6 | 406 | 2,245 | 0.7 | 369 | Yes |
| Walked | 9,945 | 3.1 | 400 | 8,172 | 2.6 | 954 | 7,536 | 2.4 | 823 | Yes |
| Taxi, Motorcycle and Other means | 1,620 | 0.5 | 163 | 2,302 | 0.7 | 383 | 2,024 | 0.6 | 417 | No |
| Worked at Home | 8,035 | 2.5 | 360 | 10,224 | 3.3 | 953 | 12,574 | 4.0 | 1,015 | 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) | 21.2 | 0.1 | 22.1 | 0.5 | 22.6 | 0.4 | Yes |
| Drove alone | 20.5 | 0.1 | 21.1 | 0.5 | 21.6 | 0.5 | Yes |
| Carpooled | 21.9 | 0.4 | 22.6 | 2.4 | 23.1 | 2.4 | No |
| Transit | 35.3 | 0.8 | 37.2 | 3.4 | 38.7 | 4.6 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 13.9 | 0.7 | 15.4 | 2.5 | 17.2 | 3.1 | 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
