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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 | 607,751 | -- | 703,670 | -- | 688,078 | 698,168 | -- | -- |
| Persons in Households 2 | 600,475 | 437 | 698,068 | -- | 679,010 | 688,891 | -- | -- |
| Total Households 3 | 227,590 | 502 | 253,787 | 1,614 | 260,056 | 260,646 | 1,862 | Yes |
| Average Number of Persons per Household 4 | 2.64 | 0.01 | 2.75 | 0.02 | 2.61 | 2.64 | 0.02 | No |
| Average Household Income 5 | $73,555 | $645 | $87,306 | $1,335 | -- | $83,502 | $1,620 | Yes |
| Average Number of Vehicles per Household 6 | 1.88 | 0.01 | 1.88 | 0.02 | -- | 1.84 | 0.02 | Yes |
| Percent of Persons in Poverty 7 | 6.50 | 0.20 | 9.60 | 0.69 | -- | 13.30 | 0.79 | Yes |
| Percent Minority 8 | 27.70 | 0.30 | 35.70 | 0.42 | 37.80 | 37.00 | 0.54 | Yes |
| Percent of Persons 65 and Over 9 | 6.90 | 0.20 | 8.90 | 0.27 | 8.70 | 9.20 | 0.28 | Yes |
| Percent of Persons Foreign Born 10 | 11.60 | 0.20 | 14.80 | 0.47 | -- | 15.10 | 0.53 | Yes |
| Total Workers at Place of Residence11 | 330,361 | 2,000 | 372,417 | 3,374 | -- | 349,056 | 3,269 | 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 | 325,410 | 100.0 | 2,002 | 356,408 | 100.0 | 3,139 | 342,543 | 100.0 | 3,229 | Yes |
| Drove alone | 262,770 | 80.8 | 1,989 | 287,492 | 80.7 | 3,467 | 272,823 | 79.6 | 3,506 | Yes |
| 2-person Carpool | 29,095 | 8.9 | 857 | 25,496 | 7.2 | 1,743 | 23,935 | 7.0 | 2,011 | Yes |
| 3-or-more-person Carpool | 9,985 | 3.1 | 510 | 9,628 | 2.7 | 1,241 | 8,968 | 2.6 | 1,309 | No |
| Transit | 3,409 | 1.0 | 300 | 5,320 | 1.5 | 790 | 5,178 | 1.5 | 821 | Yes |
| Bike | 195 | 0.1 | 72 | 358 | 0.1 | 169 | 698 | 0.2 | 364 | Yes |
| Walked | 3,320 | 1.0 | 296 | 3,751 | 1.1 | 878 | 3,828 | 1.1 | 838 | No |
| Taxi, Motorcycle and Other means | 3,400 | 1.0 | 299 | 3,822 | 1.1 | 756 | 3,481 | 1.0 | 852 | No |
| Worked at Home | 13,235 | 4.1 | 586 | 20,541 | 5.8 | 1,397 | 23,632 | 6.9 | 1,617 | 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 | 297,995 | 100.0 | 2,007 | 339,584 | 100.0 | 5,706 | 324,298 | 100.0 | 5,184 | Yes |
| Drove alone | 236,080 | 79.2 | 1,957 | 273,301 | 80.5 | 4,878 | 255,889 | 78.9 | 4,432 | Yes |
| 2-person Carpool | 27,895 | 9.4 | 840 | 25,822 | 7.6 | 1,821 | 25,260 | 7.8 | 2,084 | Yes |
| 3-or-more-person Carpool | 11,410 | 3.8 | 545 | 8,757 | 2.6 | 1,253 | 8,585 | 2.6 | 1,369 | Yes |
| Transit | 3,085 | 1.0 | 285 | 4,172 | 1.2 | 776 | 3,608 | 1.1 | 695 | No |
| Bike | 205 | 0.1 | 74 | 321 | 0.1 | 164 | 734 | 0.2 | 356 | Yes |
| Walked | 3,165 | 1.1 | 289 | 3,446 | 1.0 | 859 | 3,631 | 1.1 | 800 | No |
| Taxi, Motorcycle and Other means | 2,915 | 1.0 | 277 | 3,224 | 0.9 | 701 | 2,959 | 0.9 | 697 | No |
| Worked at Home | 13,235 | 4.4 | 586 | 20,541 | 6.0 | 1,397 | 23,632 | 7.3 | 1,617 | 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) | 31.3 | 0.2 | 29.8 | 0.6 | 29.5 | 0.6 | Yes |
| Drove alone | 31.1 | 0.2 | 29.1 | 0.6 | 28.8 | 0.7 | Yes |
| Carpooled | 31.8 | 0.7 | 32.3 | 3.2 | 30.9 | 3.3 | No |
| Transit | 48.6 | 3.2 | 50.1 | 10.9 | 51.5 | 12.5 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 31.0 | 2.3 | 31.9 | 8.0 | 32.4 | 9.0 | 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
