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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 8,049,313 -- 9,271,178 0 9,535,483 --
Persons in Households 2 7,795,305 2,007 9,012,310 0 9,278,237 Yes
Total Households 3 3,133,282 2,385 3,626,179 9,539 3,745,155 Yes
Average Number of Persons per Household 4 2.49 0.00 2.49 0.01 2.48 No
Average Household Income 5 $51,225 $110 $61,781 $384 -- Yes
Average Number of Vehicles per Household 6 1.81 0.00 1.87 0.01 -- Yes
Percent of Persons in Poverty 7 12.30 0.00 15.50 0 -- Yes
Percent Minority 8 27.90 0.10 30.40 0.07 31.50 Yes
Percent of Persons 65 and Over 9 12.00 0.00 12.60 0.06 12.90 Yes
Percent of Persons Foreign Born 10 5.30 0.00 7.40 0.06 -- Yes
Total Workers at Place of Residence11 3,915,588 5,738 4,319,659 9,667 -- 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 3,837,775 100.0 5,734 4,205,946 100.0 8,952 Yes 3,857,300 100.0 5,735 4,208,282 100.0 9,383 Yes
Drove alone 3,046,665 79.4 5,568 3,385,870 80.5 8,912 Yes 3,065,930 79.5 5,575 3,394,171 80.7 9,267 Yes
2-person Carpool 400,360 10.4 2,496 356,133 8.5 4,694 Yes 403,995 10.5 2,506 357,375 8.5 4,907 Yes
3-or-more-person Carpool 137,905 3.6 1,490 124,992 3.0 7,918 Yes 138,375 3.6 1,492 122,546 2.9 3,900 Yes
Public Transportation 29,720 0.8 696 42,731 1.0 1,689 Yes 29,070 0.8 689 42,779 1.0 1,748 Yes
Bike 6,840 0.2 334 9,992 0.2 760 Yes 6,855 0.2 335 10,074 0.2 763 Yes
Walked 74,145 1.9 1,097 75,342 1.8 2,743 No 72,835 1.9 1,087 74,361 1.8 2,632 No
Taxi, Motorcycle and Other means 39,185 1.0 799 45,098 1.1 1,758 Yes 37,290 1.0 780 41,188 1.0 1,525 Yes
Worked at Home 102,950 2.7 1,290 165,788 3.9 3,162 Yes 102,950 2.7 1,290 165,788 3.9 3,162 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) 24.0 0.0 23.4 0.1 Yes
Drove alone 23.3 0.0 22.8 0.1 Yes
Carpooled 27.8 0.1 27.2 0.7 No
Public Transportation 40.7 0.8 40.8 2.5 No
Taxi, Motorcycle, Walk, Bicycle and Other means 19.2 0.3 18.6 0.9 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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