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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 | 4,447,100 | -- | 4,674,696 | 0 | 4,779,736 | 4,803,488 | 0 | -- |
| Persons in Households 2 | 4,332,570 | 1,352 | 4,552,899 | -- | 4,663,920 | 4,688,313 | -- | -- |
| Total Households 3 | 1,737,385 | 1,811 | 1,830,114 | 6,087 | 1,883,791 | 1,837,823 | 5,777 | Yes |
| Average Number of Persons per Household 4 | 2.49 | 0.00 | 2.49 | 0.01 | 2.48 | 2.55 | 0.01 | Yes |
| Average Household Income 5 | $45,925 | $139 | $56,752 | $430 | -- | $58,218 | $410 | Yes |
| Average Number of Vehicles per Household 6 | 1.81 | 0.00 | 1.89 | 0.01 | -- | 1.87 | 0.01 | Yes |
| Percent of Persons in Poverty 7 | 16.10 | 0.10 | 16.70 | 0.24 | -- | 19.00 | 0.30 | Yes |
| Percent Minority 8 | 28.90 | 0.10 | 29.80 | 0.07 | 31.50 | 30.70 | 0.09 | Yes |
| Percent of Persons 65 and Over 9 | 13.00 | 0.10 | 13.60 | 0.11 | 13.80 | 14.10 | 0.11 | Yes |
| Percent of Persons Foreign Born 10 | 2.00 | 0.00 | 3.00 | 0.08 | -- | 3.50 | 0.08 | Yes |
| Total Workers at Place of Residence11 | 1,934,258 | 4,230 | 2,094,179 | 9,127 | -- | 2,008,218 | 9,848 | 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 | 1,900,090 | 100.0 | 4,221 | 2,001,444 | 100.0 | 9,596 | 1,964,873 | 100.0 | 9,671 | Yes |
| Drove alone | 1,576,880 | 83.0 | 4,082 | 1,672,120 | 83.5 | 9,968 | 1,666,724 | 84.8 | 9,801 | Yes |
| 2-person Carpool | 182,200 | 9.6 | 1,691 | 170,504 | 8.5 | 4,859 | 146,346 | 7.4 | 4,458 | Yes |
| 3-or-more-person Carpool | 51,820 | 2.7 | 916 | 53,383 | 2.7 | 2,479 | 47,294 | 2.4 | 2,550 | Yes |
| Transit | 8,105 | 0.4 | 364 | 9,112 | 0.5 | 927 | 8,490 | 0.4 | 989 | No |
| Bike | 1,415 | 0.1 | 152 | 2,463 | 0.1 | 477 | 2,339 | 0.1 | 474 | Yes |
| Walked | 25,360 | 1.3 | 643 | 25,996 | 1.3 | 2,211 | 23,344 | 1.2 | 1,473 | Yes |
| Taxi, Motorcycle and Other means | 15,005 | 0.8 | 495 | 19,663 | 1.0 | 1,331 | 16,980 | 0.9 | 1,319 | Yes |
| Worked at Home | 39,305 | 2.1 | 799 | 48,203 | 2.4 | 2,104 | 53,356 | 2.7 | 2,427 | 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 | 1,863,385 | 100.0 | 4,210 | 1,964,516 | 100.0 | 10,008 | 1,925,225 | 100.0 | 10,049 | Yes |
| Drove alone | 1,547,110 | 83.0 | 4,064 | 1,642,014 | 83.6 | 10,197 | 1,633,537 | 84.8 | 9,913 | Yes |
| 2-person Carpool | 178,045 | 9.6 | 1,673 | 166,888 | 8.5 | 4,992 | 143,121 | 7.4 | 4,420 | Yes |
| 3-or-more-person Carpool | 50,160 | 2.7 | 901 | 52,219 | 2.7 | 2,546 | 46,552 | 2.4 | 2,623 | Yes |
| Transit | 7,845 | 0.4 | 358 | 8,779 | 0.4 | 901 | 7,903 | 0.4 | 885 | No |
| Bike | 1,395 | 0.1 | 151 | 2,446 | 0.1 | 474 | 2,114 | 0.1 | 424 | Yes |
| Walked | 25,145 | 1.3 | 640 | 25,783 | 1.3 | 2,180 | 23,061 | 1.2 | 1,479 | Yes |
| Taxi, Motorcycle and Other means | 14,370 | 0.8 | 484 | 18,184 | 0.9 | 1,419 | 15,581 | 0.8 | 1,229 | No |
| Worked at Home | 39,305 | 2.1 | 799 | 48,203 | 2.5 | 2,104 | 53,356 | 2.8 | 2,427 | 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) | 24.8 | 0.1 | 23.8 | 0.2 | 24.2 | 0.2 | Yes |
| Drove alone | 23.9 | 0.1 | 23.1 | 0.2 | 23.7 | 0.2 | No |
| Carpooled | 30.7 | 0.2 | 29.1 | 1.1 | 28.5 | 1.2 | Yes |
| Transit | 49.3 | 1.9 | 41.1 | 7.2 | 35.0 | 6.1 | Yes |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 20.4 | 0.6 | 18.8 | 1.8 | 19.9 | 2.0 | 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
