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Table 1. Selected Characteristics
Table 1. Selected Characteristics Census 2000 2006-2010 ACS 2010 Census Is Change between Census 2000 and 2006-2010 ACS Significant in Number?**
Value MOE(+/-) Value MOE(+/-)
Total Persons 1 4,012,012 -- 4,511,428 0 4,625,364 --
Persons in Households 2 3,876,875 1,462 4,371,827 0 4,486,210 Yes
Total Households 3 1,534,334 1,772 1,741,994 6,110 1,801,181 Yes
Average Number of Persons per Household 4 2.53 0.01 2.51 0.01 2.49 Yes
Average Household Income 5 $48,350 $149 $58,941 $469 -- Yes
Average Number of Vehicles per Household 6 1.73 0.00 1.82 0.01 -- Yes
Percent of Persons in Poverty 7 14.10 0.10 16.40 0 -- Yes
Percent Minority 8 32.80 0.10 32.70 0.08 33.80 No
Percent of Persons 65 and Over 9 12.10 0.10 13.20 0.09 13.70 Yes
Percent of Persons Foreign Born 10 2.90 0.00 4.70 0.07 -- Yes
Total Workers at Place of Residence11 1,860,727 4,042 2,039,501 6,978 -- Yes
Table 2. Mode to Work
Table 2. Mode to Work 12 CTPP2000 2006-2010 ACS Is Change Significant in number?** CTPP2000 2006-2010 ACS Is Change Significant in number?**
Number Percent MOE(+/-)* Number Percent MOE(+/-)* Number Percent MOE(+/-)* Number Percent MOE(+/-)*
At Place of Residence At Place of Work
Total Workers 1,822,970 100.0 4,035 1,989,319 100.0 6,697 Yes 1,790,570 100.0 4,029 1,957,105 100.0 7,439 Yes
Drove alone 1,447,340 79.4 3,892 1,622,649 81.6 7,213 Yes 1,419,495 79.3 3,875 1,593,306 81.4 7,612 Yes
2-person Carpool 187,420 10.3 1,710 157,379 7.9 3,458 Yes 184,510 10.3 1,698 155,988 8.0 3,485 Yes
3-or-more-person Carpool 68,440 3.8 1,049 52,951 2.7 5,397 Yes 67,800 3.8 1,045 53,372 2.7 2,035 Yes
Public Transportation 11,995 0.7 442 12,642 0.6 885 No 11,730 0.7 438 11,652 0.6 891 No
Bike 3,875 0.2 252 5,387 0.3 581 Yes 3,860 0.2 251 5,308 0.3 569 Yes
Walked 42,565 2.3 830 37,033 1.9 1,780 Yes 42,885 2.4 833 37,656 1.9 1,806 Yes
Taxi, Motorcycle and Other means 23,105 1.3 613 26,232 1.3 1,314 Yes 22,060 1.2 599 24,777 1.3 1,159 Yes
Worked at Home 38,235 2.1 787 75,046 3.8 2,285 Yes 38,235 2.1 787 75,046 3.8 2,285 Yes
Table 3. Mean Travel Time by Mode to Work
Table 3. Mean Travel Time by Mode to Work 13 Census 2000 2006-2010 ACS Is Change Significant in Minutes?**
Minutes MOE(+/-) Minutes MOE(+/-)
Total Workers (does not include workers who worked at home) 24.3 0.1 23.2 0.2 Yes
Drove alone 23.6 0.1 22.8 0.2 Yes
Carpooled 28.6 0.2 26.6 1.0 Yes
Public Transportation 48.4 1.6 39.5 4.5 Yes
Taxi, Motorcycle, Walk, Bicycle and Other means 19.7 0.4 18.2 1.2 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, 2006-2010 ACS Table B01003 and Census 2010 SF1 Table QT-P1

2 Census 2000 SF3 Table P9, 2006-2010 ACS Table B09016 and Census 2010 Table QT-P12

3 Census 2000 SF3 Table P10, 2006-2010 ACS Table B19001 and Census 2010 Table QT-P11

4 Census 2000 SF3 Table P9 divided Census 2000 SF3 Table P10, 2006-2010 ACS Table B09016 divided 2006-2010 ACS Table B19001 and Census 2010 Table QT-P11

5 CTPP2000 Table 1-090 and 2006-2010 ACS Table B19025

6 Census 2000 SF3 Table H46 and 2006-2010 ACS Table B25046

7 Census 2000 SF3 Table P87 and 2006 -2010 ACS Table B17001

8 Census 2000 SF3 Table P6, 2006-2010 ACS Table B02001 and Census 2010 SF1 Table QT-P3

9 Census 2000 SF3 Table P8, 2006-2010 ACS Table B01001 and Census 2010 Table QT-P1

10 Census 2000 SF3 Table P21 and 2006-2010 ACS Table B06003

11 Census 2000 SF3 Table P43 and 2006-2010 ACS Table B23001

12 Residence place information is from CTPP2000 Table 1-002 and 2006- 2010 ACS Table B08301 and workplace information is from CTPP2000 Table 2-002 and 2006-2010 ACS Table B08406

13 CTPP2000 Table 1-118 and 2006-2010 ACS Table C08136

Updated: 07/09/2014
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