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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 | 5,130,632 | -- | 6,485,798 | 0 | 6,392,017 | 6,477,128 | 0 | -- |
| Persons in Households 2 | 5,020,851 | 1,688 | 6,367,118 | -- | 6,252,633 | 6,331,712 | -- | -- |
| Total Households 3 | 1,901,625 | 2,574 | 2,269,436 | 6,554 | 2,380,990 | 2,357,799 | 7,293 | Yes |
| Average Number of Persons per Household 4 | 2.64 | 0.01 | 2.81 | 0.01 | 2.63 | 2.69 | 0.01 | Yes |
| Average Household Income 5 | $53,925 | $188 | $67,130 | $488 | -- | $65,108 | $430 | Yes |
| Average Number of Vehicles per Household 6 | 1.67 | 0.00 | 1.74 | 0.01 | -- | 1.70 | 0.01 | Yes |
| Percent of Persons in Poverty 7 | 13.90 | 0.10 | 15.20 | 0.26 | -- | 18.30 | 0.26 | Yes |
| Percent Minority 8 | 24.50 | 0.10 | 21.30 | 0.21 | 27.00 | 20.80 | 0.24 | Yes |
| Percent of Persons 65 and Over 9 | 13.00 | 0.10 | 12.90 | 0.11 | 13.80 | 14.30 | 0.11 | Yes |
| Percent of Persons Foreign Born 10 | 12.80 | 0.10 | 14.80 | 0.19 | -- | 13.40 | 0.15 | Yes |
| Total Workers at Place of Residence11 | 2,253,771 | 5,789 | 2,943,776 | 10,835 | -- | 2,715,957 | 10,501 | 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 | 2,210,395 | 100.0 | 5,776 | 2,817,517 | 100.0 | 10,503 | 2,662,744 | 100.0 | 10,622 | Yes |
| Drove alone | 1,638,750 | 74.1 | 5,439 | 2,119,449 | 75.2 | 12,407 | 2,032,128 | 76.3 | 11,520 | Yes |
| 2-person Carpool | 263,535 | 11.9 | 2,575 | 282,150 | 10.0 | 5,697 | 240,369 | 9.0 | 5,268 | Yes |
| 3-or-more-person Carpool | 76,915 | 3.5 | 1,417 | 80,281 | 2.8 | 3,876 | 65,032 | 2.4 | 2,997 | Yes |
| Transit | 39,105 | 1.8 | 1,014 | 62,223 | 2.2 | 3,774 | 51,133 | 1.9 | 2,776 | Yes |
| Bike | 22,210 | 1.0 | 766 | 23,966 | 0.9 | 1,760 | 25,225 | 0.9 | 1,677 | Yes |
| Walked | 58,015 | 2.6 | 1,233 | 61,753 | 2.2 | 3,160 | 55,037 | 2.1 | 2,837 | No |
| Taxi, Motorcycle and Other means | 30,710 | 1.4 | 900 | 47,863 | 1.7 | 2,547 | 45,794 | 1.7 | 2,511 | Yes |
| Worked at Home | 81,160 | 3.7 | 1,455 | 139,832 | 5.0 | 4,209 | 148,026 | 5.6 | 4,088 | 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 | 2,195,570 | 100.0 | 5,771 | 2,792,939 | 100.0 | 10,721 | 2,641,960 | 100.0 | 10,403 | Yes |
| Drove alone | 1,630,035 | 74.2 | 5,431 | 2,102,254 | 75.3 | 12,686 | 2,017,238 | 76.4 | 11,410 | Yes |
| 2-person Carpool | 260,615 | 11.9 | 2,561 | 279,610 | 10.0 | 5,563 | 237,958 | 9.0 | 5,298 | Yes |
| 3-or-more-person Carpool | 76,300 | 3.5 | 1,412 | 79,536 | 2.8 | 3,759 | 64,413 | 2.4 | 2,689 | Yes |
| Transit | 38,550 | 1.8 | 1,007 | 61,356 | 2.2 | 3,758 | 50,667 | 1.9 | 2,678 | Yes |
| Bike | 22,190 | 1.0 | 765 | 23,625 | 0.8 | 1,758 | 25,157 | 1.0 | 1,684 | Yes |
| Walked | 57,780 | 2.6 | 1,231 | 60,962 | 2.2 | 3,222 | 54,824 | 2.1 | 2,778 | No |
| Taxi, Motorcycle and Other means | 28,945 | 1.3 | 874 | 45,764 | 1.6 | 2,393 | 43,677 | 1.7 | 2,139 | Yes |
| Worked at Home | 81,160 | 3.7 | 1,455 | 139,832 | 5.0 | 4,209 | 148,026 | 5.6 | 4,088 | 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) | 24.9 | 0.1 | 24.8 | 0.2 | 24.6 | 0.2 | Yes |
| Drove alone | 24.0 | 0.1 | 24.0 | 0.2 | 23.9 | 0.2 | No |
| Carpooled | 27.7 | 0.2 | 27.7 | 0.9 | 27.6 | 0.9 | No |
| Transit | 46.2 | 1.0 | 45.8 | 4.3 | 46.3 | 3.6 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 21.0 | 0.4 | 20.2 | 1.3 | 20.3 | 1.2 | 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; 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
