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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 | 1,737,034 | -- | 1,886,063 | -- | 1,931,249 | 1,972,284 | -- | -- |
| Persons in Households 2 | 1,699,416 | 917 | 1,852,543 | -- | 1,894,118 | 1,936,555 | -- | -- |
| Total Households 3 | 711,235 | 824 | 775,425 | 3,450 | 789,232 | 796,640 | 2,738 | Yes |
| Average Number of Persons per Household 4 | 2.39 | 0.01 | 2.39 | 0.01 | 2.40 | 2.43 | 0.01 | Yes |
| Average Household Income 5 | $71,100 | $345 | $91,072 | $959 | -- | $93,606 | $812 | Yes |
| Average Number of Vehicles per Household 6 | 1.71 | 0.01 | 1.75 | 0.02 | -- | 1.71 | 0.01 | No |
| Percent of Persons in Poverty 7 | 8.40 | 0.10 | 9.60 | 0.34 | -- | 12.10 | 0.44 | Yes |
| Percent Minority 8 | 24.40 | 0.20 | 27.50 | 0.21 | 31.30 | 30.70 | 0.23 | Yes |
| Percent of Persons 65 and Over 9 | 10.50 | 0.10 | 10.60 | 0.17 | 10.90 | 11.20 | 0.17 | Yes |
| Percent of Persons Foreign Born 10 | 15.40 | 0.10 | 19.20 | 0.30 | -- | 20.80 | 0.30 | Yes |
| Total Workers at Place of Residence11 | 931,182 | 3,143 | 1,035,513 | 5,391 | -- | 1,024,685 | 5,387 | 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 | 911,675 | 100.0 | 3,147 | 998,006 | 100.0 | 4,459 | 1,003,585 | 100.0 | 5,334 | Yes |
| Drove alone | 626,575 | 68.7 | 3,026 | 656,724 | 65.8 | 4,903 | 656,671 | 65.4 | 5,988 | Yes |
| 2-person Carpool | 88,750 | 9.7 | 1,388 | 87,771 | 8.8 | 3,257 | 82,236 | 8.2 | 3,083 | Yes |
| 3-or-more-person Carpool | 20,820 | 2.3 | 686 | 21,841 | 2.2 | 1,724 | 21,144 | 2.1 | 1,564 | No |
| Transit | 86,610 | 9.5 | 1,372 | 112,970 | 11.3 | 2,948 | 109,519 | 10.9 | 3,000 | Yes |
| Bike | 7,820 | 0.9 | 422 | 12,749 | 1.3 | 1,112 | 16,072 | 1.6 | 1,269 | Yes |
| Walked | 33,135 | 3.6 | 862 | 43,341 | 4.3 | 2,300 | 45,817 | 4.6 | 2,201 | Yes |
| Taxi, Motorcycle and Other means | 7,545 | 0.8 | 414 | 11,293 | 1.1 | 1,051 | 11,114 | 1.1 | 1,004 | Yes |
| Worked at Home | 40,415 | 4.4 | 950 | 51,317 | 5.1 | 1,982 | 61,012 | 6.1 | 2,355 | 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 | 1,073,735 | 100.0 | 3,062 | 1,166,021 | 100.0 | 6,603 | 1,158,331 | 100.0 | 7,941 | Yes |
| Drove alone | 738,505 | 68.8 | 3,116 | 770,877 | 66.1 | 6,617 | 761,775 | 65.8 | 7,002 | Yes |
| 2-person Carpool | 112,120 | 10.4 | 1,549 | 108,451 | 9.3 | 3,795 | 100,046 | 8.6 | 3,477 | Yes |
| 3-or-more-person Carpool | 27,670 | 2.6 | 789 | 28,638 | 2.5 | 1,687 | 25,335 | 2.2 | 1,776 | Yes |
| Transit | 104,815 | 9.8 | 1,501 | 136,562 | 11.7 | 3,413 | 135,435 | 11.7 | 3,392 | Yes |
| Bike | 8,040 | 0.7 | 428 | 13,054 | 1.1 | 1,125 | 16,026 | 1.4 | 1,202 | Yes |
| Walked | 33,485 | 3.1 | 867 | 43,300 | 3.7 | 2,253 | 46,023 | 4.0 | 2,167 | Yes |
| Taxi, Motorcycle and Other means | 8,680 | 0.8 | 444 | 13,822 | 1.2 | 1,213 | 12,679 | 1.1 | 1,052 | Yes |
| Worked at Home | 40,415 | 3.8 | 950 | 51,317 | 4.4 | 1,982 | 61,012 | 5.3 | 2,355 | 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) | 26.5 | 0.1 | 26.8 | 0.3 | 26.8 | 0.3 | No |
| Drove alone | 24.8 | 0.1 | 24.7 | 0.3 | 24.9 | 0.4 | No |
| Carpooled | 28.1 | 0.3 | 29.4 | 1.5 | 28.2 | 1.5 | No |
| Transit | 39.5 | 0.5 | 41.0 | 1.7 | 40.9 | 1.7 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 21.0 | 0.5 | 20.0 | 1.3 | 21.2 | 1.4 | 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