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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 4,041,769 -- 4,285,828 0 4,339,367 --
Persons in Households 2 3,926,781 1,352 4,160,928 0 4,213,497 Yes
Total Households 3 1,591,739 1,539 1,676,708 5,778 1,719,965 Yes
Average Number of Persons per Household 4 2.47 0.00 2.48 0.01 2.45 No
Average Household Income 5 $45,245 $143 $56,009 $397 -- Yes
Average Number of Vehicles per Household 6 1.72 0.00 1.81 0.01 -- Yes
Percent of Persons in Poverty 7 15.80 0.10 17.70 0 -- Yes
Percent Minority 8 10.00 0.10 11.50 0.05 12.20 Yes
Percent of Persons 65 and Over 9 12.50 0.10 13.10 0.08 13.30 Yes
Percent of Persons Foreign Born 10 2.00 0.00 3.10 0.07 -- Yes
Total Workers at Place of Residence11 1,817,381 4,047 1,888,943 6,127 -- 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 1,781,735 100.0 4,039 1,839,402 100.0 5,615 Yes 1,786,840 100.0 4,040 1,854,104 100.0 6,264 Yes
Drove alone 1,429,055 80.2 3,889 1,499,327 81.5 6,204 Yes 1,438,950 80.5 3,895 1,515,642 81.7 6,251 Yes
2-person Carpool 178,385 10.0 1,671 158,247 8.6 3,415 Yes 175,450 9.8 1,658 158,171 8.5 3,257 Yes
3-or-more-person Carpool 46,255 2.6 865 43,688 2.4 5,374 No 45,190 2.5 855 43,572 2.4 1,835 No
Public Transportation 20,190 1.1 573 21,331 1.2 1,059 No 18,415 1.0 548 20,022 1.1 1,039 Yes
Bike 2,610 0.1 207 3,880 0.2 448 Yes 2,675 0.1 209 3,862 0.2 449 Yes
Walked 42,495 2.4 830 40,097 2.2 1,851 Yes 43,035 2.4 835 40,198 2.2 1,833 Yes
Taxi, Motorcycle and Other means 14,605 0.8 488 15,918 0.9 865 Yes 14,975 0.8 494 15,723 0.8 892 No
Worked at Home 48,145 2.7 883 56,914 3.1 1,751 Yes 48,145 2.7 883 56,914 3.1 1,751 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) 23.5 0.1 22.5 0.1 Yes
Drove alone 22.8 0.1 22.1 0.2 Yes
Carpooled 28.9 0.2 26.6 1.1 Yes
Public Transportation 37.1 0.9 35.5 2.7 No
Taxi, Motorcycle, Walk, Bicycle and Other means 15.5 0.4 15.2 1.0 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, 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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