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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 | 248,399 | -- | 340,488 | -- | 348,432 | 356,331 | -- | -- |
| Persons in Households 2 | 245,498 | 276 | 336,990 | -- | 344,625 | 352,670 | -- | -- |
| Total Households 3 | 93,510 | 565 | 126,881 | 1,197 | 132,627 | 132,525 | 1,408 | Yes |
| Average Number of Persons per Household 4 | 2.63 | 0.04 | 2.66 | 0.02 | 2.60 | 2.66 | 0.03 | No |
| Average Household Income 5 | $73,330 | $1,017 | $90,532 | $2,069 | -- | $87,726 | $2,176 | Yes |
| Average Number of Vehicles per Household 6 | 1.97 | 0.02 | 2.01 | 0.04 | -- | 2.00 | 0.04 | No |
| Percent of Persons in Poverty 7 | 5.80 | 0.20 | 6.60 | 0.74 | -- | 9.20 | 0.75 | Yes |
| Percent Minority 8 | 11.20 | 0.30 | 15.00 | 0.60 | 16.50 | 16.10 | 0.62 | Yes |
| Percent of Persons 65 and Over 9 | 13.10 | 0.30 | 15.20 | 0.49 | 15.40 | 15.90 | 0.48 | Yes |
| Percent of Persons Foreign Born 10 | 7.10 | 0.30 | 10.10 | 0.68 | -- | 10.60 | 0.61 | Yes |
| Total Workers at Place of Residence11 | 118,903 | 1,282 | 163,880 | 2,446 | -- | 155,980 | 2,388 | 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 | 116,410 | 100.0 | 1,281 | 157,556 | 100.0 | 2,213 | 153,272 | 100.0 | 2,393 | Yes |
| Drove alone | 93,265 | 80.1 | 1,243 | 123,008 | 78.1 | 2,386 | 120,131 | 78.4 | 2,959 | Yes |
| 2-person Carpool | 9,535 | 8.2 | 493 | 11,641 | 7.4 | 1,132 | 11,411 | 7.4 | 1,410 | Yes |
| 3-or-more-person Carpool | 2,180 | 1.9 | 239 | 3,860 | 2.4 | 885 | 2,150 | 1.4 | 459 | No |
| Transit | 1,150 | 1.0 | 174 | 2,018 | 1.3 | 533 | 1,838 | 1.2 | 393 | Yes |
| Bike | 460 | 0.4 | 110 | 776 | 0.5 | 304 | 944 | 0.6 | 341 | Yes |
| Walked | 1,930 | 1.7 | 225 | 2,378 | 1.5 | 473 | 2,398 | 1.6 | 498 | No |
| Taxi, Motorcycle and Other means | 995 | 0.9 | 162 | 1,959 | 1.2 | 458 | 1,862 | 1.2 | 411 | Yes |
| Worked at Home | 6,890 | 5.9 | 421 | 11,916 | 7.6 | 1,088 | 12,538 | 8.2 | 1,044 | 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 | 114,595 | 100.0 | 1,279 | 151,142 | 100.0 | 3,750 | 146,592 | 100.0 | 4,063 | Yes |
| Drove alone | 89,720 | 78.3 | 1,233 | 117,430 | 77.7 | 3,284 | 115,753 | 79.0 | 3,705 | Yes |
| 2-person Carpool | 10,565 | 9.2 | 518 | 11,598 | 7.7 | 1,314 | 10,715 | 7.3 | 1,503 | No |
| 3-or-more-person Carpool | 3,185 | 2.8 | 289 | 3,583 | 2.4 | 759 | 2,315 | 1.6 | 510 | Yes |
| Transit | 740 | 0.6 | 140 | 1,420 | 0.9 | 467 | 829 | 0.6 | 280 | No |
| Bike | 545 | 0.5 | 120 | 855 | 0.6 | 329 | 785 | 0.5 | 289 | No |
| Walked | 2,020 | 1.8 | 231 | 2,486 | 1.6 | 488 | 2,510 | 1.7 | 527 | No |
| Taxi, Motorcycle and Other means | 940 | 0.8 | 158 | 1,854 | 1.2 | 479 | 1,147 | 0.8 | 316 | No |
| Worked at Home | 6,890 | 6.0 | 421 | 11,916 | 7.9 | 1,088 | 12,538 | 8.6 | 1,044 | 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) | 27.0 | 0.4 | 27.3 | 0.9 | 26.8 | 1.0 | No |
| Drove alone | 26.3 | 0.4 | 26.1 | 1.0 | 26.3 | 1.2 | No |
| Carpooled | 30.0 | 1.3 | 35.2 | 6.1 | 28.4 | 4.9 | No |
| Transit | 43.4 | 4.7 | 45.7 | 16.8 | 49.0 | 16.2 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 28.9 | 3.2 | 23.4 | 6.5 | 26.4 | 7.7 | 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
