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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 | 2,846,289 | -- | 2,991,276 | -- | 3,010,232 | 3,054,809 | -- | -- |
| Persons in Households 2 | 2,803,945 | 1,052 | 2,946,623 | -- | 2,970,996 | 3,013,406 | -- | -- |
| Total Households 3 | 936,154 | 924 | 974,587 | 3,115 | 992,781 | 992,242 | 2,721 | Yes |
| Average Number of Persons per Household 4 | 3.00 | 0.01 | 3.02 | 0.01 | 2.99 | 3.04 | 0.01 | Yes |
| Average Household Income 5 | $77,545 | $349 | $99,513 | $912 | -- | $98,530 | $762 | Yes |
| Average Number of Vehicles per Household 6 | 1.87 | 0.01 | 1.99 | 0.01 | -- | 1.97 | 0.01 | Yes |
| Percent of Persons in Poverty 7 | 10.30 | 0.10 | 9.80 | 0.33 | -- | 12.70 | 0.34 | Yes |
| Percent Minority 8 | 35.30 | 0.10 | 37.80 | 0.35 | 39.20 | 37.10 | 0.38 | Yes |
| Percent of Persons 65 and Over 9 | 9.80 | 0.10 | 11.30 | 0.13 | 11.60 | 12.00 | 0.13 | Yes |
| Percent of Persons Foreign Born 10 | 29.90 | 0.10 | 30.20 | 0.26 | -- | 30.60 | 0.24 | Yes |
| Total Workers at Place of Residence11 | 1,340,842 | 4,337 | 1,492,326 | 6,885 | -- | 1,448,795 | 7,227 | 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 | 1,313,985 | 100.0 | 4,331 | 1,436,824 | 100.0 | 6,506 | 1,418,576 | 100.0 | 7,149 | Yes |
| Drove alone | 1,005,745 | 76.5 | 4,153 | 1,115,514 | 77.6 | 6,395 | 1,107,076 | 78.0 | 8,745 | Yes |
| 2-person Carpool | 130,810 | 10.0 | 1,819 | 115,631 | 8.0 | 3,437 | 111,329 | 7.8 | 3,652 | Yes |
| 3-or-more-person Carpool | 43,560 | 3.3 | 1,067 | 35,639 | 2.5 | 2,357 | 31,832 | 2.2 | 2,077 | Yes |
| Transit | 36,550 | 2.8 | 978 | 42,760 | 3.0 | 2,176 | 41,646 | 2.9 | 2,570 | Yes |
| Bike | 10,590 | 0.8 | 529 | 14,213 | 1.0 | 1,552 | 13,766 | 1.0 | 1,293 | Yes |
| Walked | 26,240 | 2.0 | 830 | 28,882 | 2.0 | 2,131 | 27,145 | 1.9 | 1,673 | No |
| Taxi, Motorcycle and Other means | 11,650 | 0.9 | 555 | 14,394 | 1.0 | 1,199 | 14,154 | 1.0 | 1,197 | Yes |
| Worked at Home | 48,830 | 3.7 | 1,128 | 69,791 | 4.9 | 2,954 | 71,628 | 5.0 | 2,636 | 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 | 1,351,120 | 100.0 | 4,338 | 1,518,793 | 100.0 | 10,230 | 1,490,256 | 100.0 | 9,384 | Yes |
| Drove alone | 1,026,170 | 75.9 | 4,172 | 1,175,741 | 77.4 | 8,783 | 1,160,507 | 77.9 | 9,799 | Yes |
| 2-person Carpool | 142,555 | 10.6 | 1,895 | 131,145 | 8.6 | 3,592 | 124,175 | 8.3 | 3,767 | Yes |
| 3-or-more-person Carpool | 48,795 | 3.6 | 1,128 | 40,876 | 2.7 | 2,592 | 36,245 | 2.4 | 2,133 | Yes |
| Transit | 36,150 | 2.7 | 973 | 43,743 | 2.9 | 2,066 | 42,580 | 2.9 | 2,442 | Yes |
| Bike | 10,605 | 0.8 | 529 | 13,972 | 0.9 | 1,515 | 13,927 | 0.9 | 1,338 | Yes |
| Walked | 26,180 | 1.9 | 829 | 29,024 | 1.9 | 2,150 | 27,255 | 1.8 | 1,637 | No |
| Taxi, Motorcycle and Other means | 11,830 | 0.9 | 559 | 14,501 | 1.0 | 1,201 | 13,939 | 0.9 | 1,248 | Yes |
| Worked at Home | 48,830 | 3.6 | 1,128 | 69,791 | 4.6 | 2,954 | 71,628 | 4.8 | 2,636 | 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) | 27.2 | 0.1 | 26.0 | 0.2 | 26.3 | 0.3 | Yes |
| Drove alone | 26.4 | 0.1 | 25.0 | 0.2 | 25.3 | 0.3 | Yes |
| Carpooled | 28.6 | 0.3 | 27.8 | 1.2 | 28.6 | 1.3 | No |
| Transit | 49.3 | 1.1 | 49.8 | 4.0 | 51.1 | 4.5 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 20.8 | 0.6 | 21.1 | 1.9 | 21.3 | 1.8 | 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
