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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 1 626,932 -- 691,189 0 710,231 --
Persons in Households 2 607,641 553 665,870 0 683,879 Yes
Total Households 3 221,804 738 248,248 1,590 258,058 Yes
Average Number of Persons per Household 4 2.74 0.02 2.68 0.02 2.65 Yes
Average Household Income 5 $62,475 $437 $82,091 $1,138 -- Yes
Average Number of Vehicles per Household 6 1.68 0.01 1.79 0.02 -- Yes
Percent of Persons in Poverty 7 9.40 0.20 9.50 0 -- No
Percent Minority 8 30.70 0.20 32.80 0.15 33.30 Yes
Percent of Persons 65 and Over 9 5.60 0.10 7.30 0.16 7.70 Yes
Percent of Persons Foreign Born 10 5.90 0.10 7.20 0.25 -- Yes
Total Workers at Place of Residence11 298,643 1,600 349,212 2,828 -- 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 290,595 100.0 1,598 334,044 100.0 2,091 Yes 295,715 100.0 1,599 340,442 100.0 2,049 Yes
Drove alone 193,165 66.5 1,479 223,423 66.9 2,339 Yes 194,360 65.7 1,482 224,877 66.1 2,310 Yes
2-person Carpool 35,505 12.2 741 35,921 10.8 1,637 No 35,800 12.1 743 36,171 10.6 1,593 No
3-or-more-person Carpool 9,510 3.3 392 8,937 2.7 2,430 No 9,760 3.3 397 9,161 2.7 892 No
Public Transportation 4,123 1.4 259 4,446 1.3 461 No 4,220 1.4 262 4,621 1.4 455 No
Bike 1,585 0.5 161 3,269 1.0 423 Yes 1,570 0.5 160 3,295 1.0 429 Yes
Walked 21,300 7.3 580 27,336 8.2 1,343 Yes 22,155 7.5 592 28,177 8.3 1,384 Yes
Taxi, Motorcycle and Other means 13,435 4.6 464 12,495 3.7 698 Yes 15,875 5.4 503 15,923 4.7 794 No
Worked at Home 11,980 4.1 439 18,217 5.5 1,327 Yes 11,980 4.1 439 18,217 5.4 1,327 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) 19.6 0.2 18.1 0.3 Yes
Drove alone 18.0 0.2 17.5 0.3 Yes
Carpooled 21.0 0.4 21.0 1.8 No
Public Transportation 32.7 2.0 34.2 5.5 No
Taxi, Motorcycle, Walk, Bicycle and Other means 24.6 0.8 17.0 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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