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| Table 1. Selected Characteristics | Census 2000 | 2007-2009 ACS | 2010 Census | 2010-2012 ACS | Is the numeric change between Census 2000 and 2010-2012 ACS Significant? ** |
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|---|---|---|---|---|---|---|---|---|
| Value | MOE(+/-) | Value | MOE(+/-) | Value | Value | MOE(+/-) | ||
| Total Persons 1 | 2,253,362 | -- | 2,477,646 | -- | 2,496,435 | 2,553,696 | -- | -- |
| Persons in Households 2 | 2,207,446 | 1,092 | 2,412,005 | -- | 2,456,378 | 2,503,650 | -- | -- |
| Total Households 3 | 777,378 | 1,346 | 824,135 | 4,343 | 867,352 | 822,746 | 4,116 | Yes |
| Average Number of Persons per Household 4 | 2.84 | 0.01 | 2.93 | 0.01 | 2.83 | 3.04 | 0.02 | Yes |
| Average Household Income 5 | $52,755 | $320 | $63,688 | $857 | -- | $63,957 | $982 | Yes |
| Average Number of Vehicles per Household 6 | 1.50 | 0.01 | 1.57 | 0.01 | -- | 1.55 | 0.01 | Yes |
| Percent of Persons in Poverty 7 | 18.00 | 0.10 | 16.70 | 0.46 | -- | 20.60 | 0.52 | Yes |
| Percent Minority 8 | 30.30 | 0.20 | 26.20 | 0.27 | 26.20 | 24.80 | 0.26 | Yes |
| Percent of Persons 65 and Over 9 | 13.30 | 0.10 | 14.30 | 0.19 | 14.10 | 14.30 | 0.19 | Yes |
| Percent of Persons Foreign Born 10 | 50.90 | 0.20 | 49.40 | 0.38 | -- | 51.60 | 0.36 | Yes |
| Total Workers at Place of Residence11 | 922,717 | 3,801 | 1,160,200 | 7,207 | -- | 1,130,672 | 7,121 | Yes |
| Table 2a. Mode to Work 12 | CTPP2000 | 2007-2009 ACS | 2010-2012 ACS | Is the numeric change between CTPP 2000 and 2010-2012 ACS Significant? ** |
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|---|---|---|---|---|---|---|---|---|---|---|
| Number | Percent | MOE(+/-)* | Number | Percent | MOE(+/-)* | Number | Percent | MOE(+/-)* | ||
| Total Workers | 899,325 | 100.0 | 3,786 | 1,114,639 | 100.0 | 6,364 | 1,111,404 | 100.0 | 7,318 | Yes |
| Drove alone | 663,900 | 73.8 | 3,524 | 857,082 | 76.9 | 6,621 | 853,640 | 76.8 | 7,483 | Yes |
| 2-person Carpool | 100,775 | 11.2 | 1,598 | 82,557 | 7.4 | 3,418 | 81,140 | 7.3 | 4,076 | Yes |
| 3-or-more-person Carpool | 30,525 | 3.4 | 894 | 24,458 | 2.2 | 2,041 | 23,058 | 2.1 | 2,093 | Yes |
| Transit | 45,735 | 5.1 | 1,090 | 61,301 | 5.5 | 3,358 | 60,255 | 5.4 | 2,767 | Yes |
| Bike | 4,080 | 0.5 | 329 | 3,897 | 0.3 | 726 | 6,851 | 0.6 | 907 | Yes |
| Walked | 19,365 | 2.2 | 714 | 23,733 | 2.1 | 2,323 | 25,403 | 2.3 | 2,255 | Yes |
| Taxi, Motorcycle and Other means | 10,785 | 1.2 | 534 | 19,335 | 1.7 | 2,226 | 14,641 | 1.3 | 1,656 | Yes |
| Worked at Home | 24,150 | 2.7 | 796 | 42,276 | 3.8 | 2,292 | 46,416 | 4.2 | 2,410 | Yes |
| Table 2b. Mode to Work 12 | CTPP2000 | 2007-2009 ACS | 2010-2012 ACS | Is the numeric change between CTPP 2000 and 2010-2012 ACS Significant? ** |
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|---|---|---|---|---|---|---|---|---|---|---|
| Number | Percent | MOE(+/-)* | Number | Percent | MOE(+/-)* | Number | Percent | MOE(+/-)* | ||
| At Place of Work | ||||||||||
| Total Workers | 956,460 | 100.0 | 3,821 | 1,174,995 | 100.0 | 8,093 | 1,183,694 | 100.0 | 9,036 | Yes |
| Drove alone | 716,235 | 74.9 | 3,600 | 910,410 | 77.5 | 8,285 | 913,984 | 77.2 | 8,120 | Yes |
| 2-person Carpool | 106,140 | 11.1 | 1,638 | 89,573 | 7.6 | 3,365 | 88,163 | 7.4 | 4,463 | Yes |
| 3-or-more-person Carpool | 30,055 | 3.1 | 887 | 25,460 | 2.2 | 2,131 | 26,103 | 2.2 | 2,423 | Yes |
| Transit | 45,125 | 4.7 | 1,083 | 60,211 | 5.1 | 3,335 | 61,142 | 5.2 | 2,994 | Yes |
| Bike | 4,035 | 0.4 | 327 | 4,142 | 0.4 | 770 | 6,745 | 0.6 | 937 | Yes |
| Walked | 19,390 | 2.0 | 714 | 23,577 | 2.0 | 2,288 | 25,214 | 2.1 | 2,214 | Yes |
| Taxi, Motorcycle and Other means | 11,340 | 1.2 | 547 | 19,346 | 1.6 | 2,077 | 15,927 | 1.3 | 1,592 | Yes |
| Worked at Home | 24,150 | 2.5 | 796 | 42,276 | 3.6 | 2,292 | 46,416 | 3.9 | 2,410 | Yes |
| Table 3. Mean Travel Time by Mode to Work 13 | Census 2000 | 2007-2009 ACS | 2010-2012 ACS | Is the change in travel time between Census 2000 and 2010-2012 ACS Significant? ** |
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|---|---|---|---|---|---|---|---|
| Minutes | MOE(+/-) | Minutes | MOE(+/-) | Minutes | MOE(+/-) | ||
| At Place of Residence | |||||||
| Total Workers (does not include workers who worked at home) | 30.1 | 0.1 | 29.3 | 0.3 | 29.2 | 0.3 | Yes |
| Drove alone | 28.7 | 0.1 | 28.3 | 0.4 | 28.2 | 0.3 | Yes |
| Carpooled | 31.5 | 0.4 | 30.1 | 1.7 | 30.1 | 1.9 | No |
| Transit | 52.0 | 0.9 | 48.5 | 4.1 | 48.8 | 3.5 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 22.5 | 0.8 | 19.7 | 2.3 | 20.0 | 2.2 | 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; 2007-2009 ACS Table B01003; 2010-2012 ACS Table B01003
2 Census 2000 SF3 Table P9; 2007-2009 ACS Table B09016; 2010-2012 ACS Table B01003 minus Table B26001
3 Census 2000 SF3 Table P10; 2007-2009 ACS Table B19001; 2010-2012 ACS Table B19001
4 Census 2000 SF3 Table P9 divided Census 2000 SF3 Table P10; 2007-2009 ACS Table B09016 divided 2007-2009 ACS Table B19001; 2010-2012 ACS Table S1101
5 CTPP2000 Table 1-090; 2007-2009 ACS Table B19025; 2010-2012 ACS Table B19025
6 Census 2000 SF3 Table H46; 2007-2009 ACS Table B25046; 2010-2012 ACS Table B25046
7 Census 2000 SF3 Table P87; 2007 -2009 ACS Table B17001; 2010-2012 ACS Table B17001
8 Census 2000 SF3 Table P6; 2007-2009 ACS Table B02001; 2010-2012 ACS Table B02001
9 Census 2000 SF3 Table P8; 2007-2009 ACS Table B01001; 2010-2012 ACS Table B01001
10 Census 2000 SF3 Table P21; 2007-2009 ACS Table B06003; 2010-2012 ACS Table B06003
11 Census 2000 SF3 Table P43; 2007-2009 ACS Table B23001; 2010-2012 ACS Table B23025
12 Residence place information is from CTPP2000 Table 1-002; 2007- 2009 ACS Table B08301; 2010-2012 ACS Table B08301. Workplace information is from CTPP2000 Table 2-002; 2007-2009 ACS Table B08406; 2010-2012 ACS Table B08601
13 CTPP2000 1-118; 2007-2009 ACS Table C08136; 2010-2012 ACS Table C08136
