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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 1 493,782 -- 545,579 0 563,626 --
Persons in Households 2 479,676 474 532,007 0 549,914 Yes
Total Households 3 193,959 651 217,688 1,271 226,879 Yes
Average Number of Persons per Household 4 2.47 0.02 2.44 0.01 2.42 Yes
Average Household Income 5 $47,800 $391 $68,283 $996 -- Yes
Average Number of Vehicles per Household 6 2.02 0.01 2.18 0.02 -- Yes
Percent of Persons in Poverty 7 11.40 0.20 9.80 0 -- Yes
Percent Minority 8 8.00 0.20 8.70 0.22 9.30 Yes
Percent of Persons 65 and Over 9 11.60 0.20 12.20 0.22 12.40 Yes
Percent of Persons Foreign Born 10 2.30 0.10 3.10 0.18 -- Yes
Total Workers at Place of Residence11 244,355 1,422 287,476 2,457 -- 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 239,810 100.0 1,421 279,937 100.0 1,902 Yes 239,545 100.0 1,421 287,341 100.0 2,254 Yes
Drove alone 180,735 75.4 1,370 211,080 75.4 2,282 Yes 180,685 75.4 1,370 215,604 75.0 2,465 Yes
2-person Carpool 22,695 9.5 595 25,052 8.9 1,269 Yes 22,680 9.5 595 26,619 9.3 1,245 Yes
3-or-more-person Carpool 8,935 3.7 379 9,301 3.3 2,010 No 9,060 3.8 382 10,273 3.6 858 Yes
Public Transportation 3,375 1.4 234 3,842 1.4 440 No 3,295 1.4 231 4,087 1.4 458 Yes
Bike 1,355 0.6 149 3,030 1.1 507 Yes 1,345 0.6 148 3,011 1.0 507 Yes
Walked 10,550 4.4 411 10,770 3.8 856 No 10,485 4.4 410 10,804 3.8 857 No
Taxi, Motorcycle and Other means 1,875 0.8 175 2,939 1.0 436 Yes 1,690 0.7 166 3,020 1.1 480 Yes
Worked at Home 10,300 4.3 406 13,923 5.0 742 Yes 10,300 4.3 406 13,923 4.8 742 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) 17.8 0.2 18.5 0.5 Yes
Drove alone 15.9 0.2 16.7 0.5 Yes
Carpooled 27.8 0.7 28.9 2.9 No
Public Transportation 49.6 2.6 52.5 9.3 No
Taxi, Motorcycle, Walk, Bicycle and Other means 12.1 0.8 11.7 1.4 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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