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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 | 904,161 | -- | 927,624 | -- | 916,924 | 923,503 | -- | -- |
| Persons in Households 2 | 889,024 | 494 | 911,254 | -- | 904,784 | 910,834 | -- | -- |
| Total Households 3 | 326,011 | 391 | 338,213 | 1,960 | 337,132 | 334,764 | 1,518 | Yes |
| Average Number of Persons per Household 4 | 2.73 | 0.01 | 2.69 | 0.01 | 2.68 | 2.72 | 0.01 | No |
| Average Household Income 5 | $86,075 | $473 | $102,001 | $1,798 | -- | $101,155 | $1,789 | Yes |
| Average Number of Vehicles per Household 6 | 1.85 | 0.01 | 1.91 | 0.02 | -- | 1.87 | 0.02 | No |
| Percent of Persons in Poverty 7 | 3.60 | 0.10 | 5.50 | 0.39 | -- | 7.20 | 0.48 | Yes |
| Percent Minority 8 | 16.10 | 0.20 | 19.50 | 0.42 | 22.10 | 19.60 | 0.32 | Yes |
| Percent of Persons 65 and Over 9 | 9.70 | 0.10 | 11.10 | 0.24 | 11.60 | 12.00 | 0.23 | Yes |
| Percent of Persons Foreign Born 10 | 15.30 | 0.20 | 18.20 | 0.45 | -- | 18.50 | 0.37 | Yes |
| Total Workers at Place of Residence11 | 476,310 | 1,921 | 490,233 | 3,780 | -- | 470,758 | 3,760 | 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 | 469,375 | 100.0 | 1,922 | 469,616 | 100.0 | 3,541 | 460,912 | 100.0 | 3,839 | Yes |
| Drove alone | 373,560 | 79.6 | 1,894 | 368,292 | 78.4 | 3,543 | 360,282 | 78.2 | 3,508 | Yes |
| 2-person Carpool | 29,365 | 6.3 | 682 | 30,138 | 6.4 | 1,918 | 29,910 | 6.5 | 1,516 | No |
| 3-or-more-person Carpool | 6,025 | 1.3 | 313 | 4,972 | 1.1 | 907 | 5,743 | 1.2 | 933 | No |
| Transit | 31,240 | 6.7 | 703 | 30,319 | 6.5 | 1,494 | 29,025 | 6.3 | 1,313 | Yes |
| Bike | 1,400 | 0.3 | 151 | 1,889 | 0.4 | 479 | 1,473 | 0.3 | 492 | No |
| Walked | 8,475 | 1.8 | 371 | 8,964 | 1.9 | 974 | 7,961 | 1.7 | 895 | No |
| Taxi, Motorcycle and Other means | 2,700 | 0.6 | 210 | 4,040 | 0.9 | 606 | 4,112 | 0.9 | 663 | Yes |
| Worked at Home | 16,600 | 3.5 | 517 | 21,002 | 4.5 | 1,350 | 22,406 | 4.9 | 1,564 | 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 | 534,550 | 100.0 | 1,891 | 553,005 | 100.0 | 6,303 | 548,241 | 100.0 | 6,844 | Yes |
| Drove alone | 444,865 | 83.2 | 1,923 | 462,830 | 83.7 | 5,292 | 456,377 | 83.2 | 5,959 | Yes |
| 2-person Carpool | 40,320 | 7.5 | 794 | 39,530 | 7.1 | 2,507 | 39,542 | 7.2 | 2,110 | No |
| 3-or-more-person Carpool | 12,265 | 2.3 | 445 | 8,970 | 1.6 | 1,276 | 11,775 | 2.1 | 1,616 | No |
| Transit | 6,855 | 1.3 | 334 | 5,278 | 1.0 | 783 | 4,701 | 0.9 | 633 | Yes |
| Bike | 1,455 | 0.3 | 154 | 1,953 | 0.4 | 456 | 1,680 | 0.3 | 519 | No |
| Walked | 8,785 | 1.6 | 377 | 8,633 | 1.6 | 928 | 7,554 | 1.4 | 839 | Yes |
| Taxi, Motorcycle and Other means | 3,400 | 0.6 | 235 | 4,809 | 0.9 | 759 | 4,206 | 0.8 | 690 | Yes |
| Worked at Home | 16,600 | 3.1 | 517 | 21,002 | 3.8 | 1,350 | 22,406 | 4.1 | 1,564 | 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) | 29.0 | 0.2 | 29.1 | 0.5 | 28.9 | 0.5 | No |
| Drove alone | 26.8 | 0.1 | 26.8 | 0.5 | 26.8 | 0.5 | No |
| Carpooled | 25.7 | 0.5 | 26.6 | 2.6 | 26.0 | 2.0 | No |
| Transit | 62.5 | 0.7 | 63.5 | 4.6 | 62.4 | 4.3 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 18.6 | 0.9 | 20.4 | 3.0 | 22.0 | 3.8 | 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
