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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 | 502,266 | -- | 678,111 | -- | 677,560 | 680,662 | -- | -- |
| Persons in Households 2 | 492,582 | 394 | 669,335 | -- | 669,013 | 673,232 | -- | -- |
| Total Households 3 | 167,602 | 352 | 216,725 | 1,360 | 225,256 | 222,401 | 1,474 | Yes |
| Average Number of Persons per Household 4 | 2.94 | 0.01 | 3.09 | 0.02 | 2.97 | 3.03 | 0.02 | Yes |
| Average Household Income 5 | $72,755 | $539 | $86,968 | $1,397 | -- | $88,075 | $1,366 | Yes |
| Average Number of Vehicles per Household 6 | 1.97 | 0.01 | 2.04 | 0.02 | -- | 2.01 | 0.02 | Yes |
| Percent of Persons in Poverty 7 | 4.90 | 0.10 | 6.60 | 0.53 | -- | 8.40 | 0.65 | Yes |
| Percent Minority 8 | 18.20 | 0.20 | 21.90 | 0.49 | 24.00 | 23.60 | 0.53 | Yes |
| Percent of Persons 65 and Over 9 | 8.20 | 0.20 | 8.50 | 0.26 | 9.30 | 9.70 | 0.27 | Yes |
| Percent of Persons Foreign Born 10 | 7.10 | 0.10 | 11.40 | 0.39 | -- | 11.60 | 0.37 | Yes |
| Total Workers at Place of Residence11 | 246,580 | 1,434 | 339,269 | 3,135 | -- | 320,237 | 2,857 | 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 | 241,885 | 100.0 | 1,433 | 324,035 | 100.0 | 3,369 | 313,740 | 100.0 | 2,902 | Yes |
| Drove alone | 200,515 | 82.9 | 1,404 | 265,497 | 81.9 | 3,550 | 259,158 | 82.6 | 3,474 | Yes |
| 2-person Carpool | 16,525 | 6.8 | 512 | 21,325 | 6.6 | 1,637 | 17,483 | 5.6 | 1,498 | No |
| 3-or-more-person Carpool | 3,550 | 1.5 | 240 | 4,677 | 1.4 | 725 | 4,184 | 1.3 | 1,023 | No |
| Transit | 9,765 | 4.0 | 396 | 13,504 | 4.2 | 891 | 12,943 | 4.1 | 1,066 | Yes |
| Bike | 270 | 0.1 | 66 | 281 | 0.1 | 156 | 404 | 0.1 | 151 | No |
| Walked | 2,725 | 1.1 | 211 | 3,760 | 1.2 | 703 | 2,351 | 0.7 | 525 | No |
| Taxi, Motorcycle and Other means | 1,500 | 0.6 | 156 | 3,296 | 1.0 | 687 | 3,936 | 1.3 | 666 | Yes |
| Worked at Home | 7,035 | 2.9 | 337 | 11,695 | 3.6 | 1,257 | 13,281 | 4.2 | 1,228 | 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 | 160,835 | 100.0 | 1,338 | 236,250 | 100.0 | 4,614 | 233,427 | 100.0 | 4,180 | Yes |
| Drove alone | 132,435 | 82.3 | 1,264 | 194,283 | 82.2 | 4,458 | 193,633 | 83.0 | 4,024 | Yes |
| 2-person Carpool | 12,565 | 7.8 | 448 | 17,508 | 7.4 | 1,603 | 15,300 | 6.6 | 1,385 | Yes |
| 3-or-more-person Carpool | 3,490 | 2.2 | 238 | 5,088 | 2.2 | 964 | 3,745 | 1.6 | 602 | No |
| Transit | 1,145 | 0.7 | 137 | 1,580 | 0.7 | 336 | 1,965 | 0.8 | 449 | Yes |
| Bike | 255 | 0.2 | 65 | 149 | 0.1 | 114 | 413 | 0.2 | 163 | No |
| Walked | 2,650 | 1.6 | 208 | 3,342 | 1.4 | 684 | 2,306 | 1.0 | 519 | No |
| Taxi, Motorcycle and Other means | 1,255 | 0.8 | 143 | 2,605 | 1.1 | 538 | 2,784 | 1.2 | 570 | Yes |
| Worked at Home | 7,035 | 4.4 | 337 | 11,695 | 5.0 | 1,257 | 13,281 | 5.7 | 1,228 | 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) | 32.0 | 0.2 | 33.3 | 0.7 | 32.8 | 0.6 | Yes |
| Drove alone | 30.1 | 0.2 | 31.4 | 0.8 | 31.0 | 0.7 | Yes |
| Carpooled | 32.9 | 0.8 | 32.5 | 3.5 | 32.9 | 3.8 | No |
| Transit | 74.7 | 1.5 | 77.5 | 7.7 | 73.9 | 8.7 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 22.8 | 2.0 | 24.3 | 8.0 | 24.1 | 6.4 | 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
