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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 | 487,967 | -- | 554,382 | -- | 572,003 | 585,388 | -- | -- |
| Persons in Households 2 | 483,135 | 305 | 548,226 | -- | 567,083 | 580,935 | -- | -- |
| Total Households 3 | 190,961 | 333 | 214,402 | 1,242 | 224,011 | 225,471 | 1,274 | Yes |
| Average Number of Persons per Household 4 | 2.53 | 0.01 | 2.56 | 0.02 | 2.53 | 2.58 | 0.01 | Yes |
| Average Household Income 5 | $71,510 | $605 | $78,573 | $1,723 | -- | $82,121 | $1,610 | Yes |
| Average Number of Vehicles per Household 6 | 1.82 | 0.01 | 1.81 | 0.02 | -- | 1.81 | 0.02 | No |
| Percent of Persons in Poverty 7 | 5.80 | 0.10 | 12.00 | 0.79 | -- | 11.80 | 0.77 | Yes |
| Percent Minority 8 | 20.30 | 0.30 | 22.70 | 0.49 | 27.30 | 25.20 | 0.57 | Yes |
| Percent of Persons 65 and Over 9 | 8.60 | 0.20 | 10.90 | 0.30 | 10.10 | 10.60 | 0.28 | Yes |
| Percent of Persons Foreign Born 10 | 11.00 | 0.20 | 14.30 | 0.46 | -- | 15.30 | 0.55 | Yes |
| Total Workers at Place of Residence11 | 264,434 | 1,536 | 290,572 | 2,993 | -- | 297,257 | 2,375 | 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 | 260,270 | 100.0 | 1,538 | 280,286 | 100.0 | 2,652 | 291,304 | 100.0 | 2,405 | Yes |
| Drove alone | 205,190 | 78.8 | 1,522 | 218,791 | 78.1 | 3,094 | 229,163 | 78.7 | 3,244 | Yes |
| 2-person Carpool | 23,025 | 8.8 | 654 | 19,911 | 7.1 | 1,497 | 20,179 | 6.9 | 1,508 | Yes |
| 3-or-more-person Carpool | 5,275 | 2.0 | 319 | 4,701 | 1.7 | 827 | 5,547 | 1.9 | 935 | No |
| Transit | 8,250 | 3.2 | 398 | 12,363 | 4.4 | 1,113 | 13,673 | 4.7 | 1,216 | Yes |
| Bike | 620 | 0.2 | 110 | 1,108 | 0.4 | 305 | 1,260 | 0.4 | 335 | Yes |
| Walked | 4,080 | 1.6 | 281 | 5,037 | 1.8 | 636 | 4,146 | 1.4 | 655 | No |
| Taxi, Motorcycle and Other means | 1,900 | 0.7 | 192 | 3,154 | 1.1 | 514 | 2,787 | 1.0 | 454 | Yes |
| Worked at Home | 11,920 | 4.6 | 476 | 15,221 | 5.4 | 1,316 | 14,549 | 5.0 | 938 | 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 | 265,300 | 100.0 | 1,536 | 273,497 | 100.0 | 5,126 | 277,961 | 100.0 | 4,454 | Yes |
| Drove alone | 214,560 | 80.9 | 1,530 | 219,180 | 80.1 | 4,615 | 226,691 | 81.6 | 4,299 | Yes |
| 2-person Carpool | 23,030 | 8.7 | 654 | 19,179 | 7.0 | 1,313 | 19,024 | 6.8 | 1,569 | Yes |
| 3-or-more-person Carpool | 5,380 | 2.0 | 322 | 3,941 | 1.4 | 694 | 4,411 | 1.6 | 735 | Yes |
| Transit | 4,210 | 1.6 | 285 | 7,655 | 2.8 | 1,040 | 6,566 | 2.4 | 777 | Yes |
| Bike | 690 | 0.3 | 116 | 1,201 | 0.4 | 345 | 1,303 | 0.5 | 323 | Yes |
| Walked | 4,095 | 1.5 | 281 | 4,475 | 1.6 | 620 | 3,917 | 1.4 | 609 | No |
| Taxi, Motorcycle and Other means | 1,415 | 0.5 | 166 | 2,645 | 1.0 | 469 | 1,500 | 0.5 | 349 | No |
| Worked at Home | 11,920 | 4.5 | 476 | 15,221 | 5.6 | 1,316 | 14,549 | 5.2 | 938 | 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) | 26.1 | 0.2 | 26.7 | 0.6 | 26.8 | 0.5 | Yes |
| Drove alone | 24.6 | 0.2 | 25.2 | 0.6 | 24.9 | 0.6 | No |
| Carpooled | 28.8 | 0.6 | 27.9 | 3.1 | 30.8 | 3.6 | No |
| Transit | 50.2 | 1.5 | 49.7 | 6.8 | 52.6 | 7.2 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 30.5 | 2.1 | 27.2 | 5.7 | 23.9 | 4.4 | 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
