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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 | 2,673,400 | -- | 2,866,470 | 0 | 2,915,918 | 2,936,822 | 0 | -- |
| Persons in Households 2 | 2,599,462 | 1,085 | 2,784,286 | -- | 2,836,987 | 2,855,868 | -- | -- |
| Total Households 3 | 1,042,807 | 1,377 | 1,115,865 | 4,130 | 1,147,084 | 1,129,845 | 4,389 | Yes |
| Average Number of Persons per Household 4 | 2.49 | 0.01 | 2.50 | 0.01 | 2.47 | 2.53 | 0.01 | Yes |
| Average Household Income 5 | $42,785 | $167 | $52,226 | $513 | -- | $54,698 | $515 | Yes |
| Average Number of Vehicles per Household 6 | 1.71 | 0.00 | 1.80 | 0.01 | -- | 1.81 | 0.01 | Yes |
| Percent of Persons in Poverty 7 | 15.80 | 0.10 | 18.10 | 0.32 | -- | 19.30 | 0.41 | Yes |
| Percent Minority 8 | 20.10 | 0.10 | 21.50 | 0.13 | 23.00 | 21.70 | 0.11 | Yes |
| Percent of Persons 65 and Over 9 | 14.00 | 0.10 | 14.10 | 0.15 | 14.40 | 14.60 | 0.14 | Yes |
| Percent of Persons Foreign Born 10 | 2.80 | 0.00 | 4.20 | 0.11 | -- | 4.50 | 0.11 | Yes |
| Total Workers at Place of Residence11 | 1,179,681 | 3,285 | 1,283,999 | 7,185 | -- | 1,251,953 | 6,251 | 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 | 1,160,100 | 100.0 | 3,279 | 1,230,487 | 100.0 | 5,738 | 1,226,561 | 100.0 | 6,411 | Yes |
| Drove alone | 927,215 | 79.9 | 3,149 | 992,491 | 80.7 | 7,011 | 1,009,004 | 82.3 | 7,216 | Yes |
| 2-person Carpool | 126,295 | 10.9 | 1,404 | 117,821 | 9.6 | 3,405 | 102,767 | 8.4 | 3,265 | Yes |
| 3-or-more-person Carpool | 37,330 | 3.2 | 776 | 31,690 | 2.6 | 2,146 | 32,087 | 2.6 | 1,902 | Yes |
| Transit | 4,040 | 0.3 | 257 | 5,275 | 0.4 | 778 | 5,711 | 0.5 | 652 | Yes |
| Bike | 1,510 | 0.1 | 157 | 1,640 | 0.1 | 427 | 1,263 | 0.1 | 297 | No |
| Walked | 21,915 | 1.9 | 597 | 22,162 | 1.8 | 1,602 | 21,757 | 1.8 | 1,421 | No |
| Taxi, Motorcycle and Other means | 11,685 | 1.0 | 436 | 17,155 | 1.4 | 1,384 | 14,420 | 1.2 | 1,094 | Yes |
| Worked at Home | 30,110 | 2.6 | 698 | 42,253 | 3.4 | 2,141 | 39,552 | 3.2 | 1,951 | 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 | 1,169,075 | 100.0 | 3,282 | 1,235,372 | 100.0 | 5,973 | 1,225,126 | 100.0 | 6,606 | Yes |
| Drove alone | 932,970 | 79.8 | 3,153 | 994,991 | 80.5 | 7,190 | 1,007,263 | 82.2 | 7,125 | Yes |
| 2-person Carpool | 128,120 | 11.0 | 1,413 | 120,707 | 9.8 | 3,528 | 103,824 | 8.5 | 3,124 | Yes |
| 3-or-more-person Carpool | 38,455 | 3.3 | 788 | 31,728 | 2.6 | 2,127 | 31,806 | 2.6 | 1,911 | Yes |
| Transit | 4,105 | 0.4 | 259 | 5,374 | 0.4 | 789 | 5,505 | 0.4 | 606 | Yes |
| Bike | 1,520 | 0.1 | 158 | 1,565 | 0.1 | 414 | 1,291 | 0.1 | 307 | No |
| Walked | 21,925 | 1.9 | 597 | 21,797 | 1.8 | 1,593 | 21,472 | 1.8 | 1,437 | No |
| Taxi, Motorcycle and Other means | 11,865 | 1.0 | 440 | 16,957 | 1.4 | 1,370 | 14,413 | 1.2 | 1,316 | Yes |
| Worked at Home | 30,110 | 2.6 | 698 | 42,253 | 3.4 | 2,141 | 39,552 | 3.2 | 1,951 | 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) | 21.9 | 0.1 | 21.1 | 0.2 | 21.3 | 0.2 | Yes |
| Drove alone | 21.2 | 0.1 | 20.6 | 0.3 | 21.0 | 0.3 | No |
| Carpooled | 26.2 | 0.3 | 25.2 | 1.2 | 25.1 | 1.1 | No |
| Transit | 40.0 | 2.2 | 31.6 | 7.0 | 28.2 | 5.6 | Yes |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 17.3 | 0.6 | 16.1 | 1.6 | 14.9 | 1.6 | 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
