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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 | 1,682,585 | -- | 1,754,806 | -- | 1,781,642 | 1,811,955 | -- | -- |
| Persons in Households 2 | 1,652,897 | 879 | 1,720,812 | -- | 1,751,292 | 1,780,213 | -- | -- |
| Total Households 3 | 566,485 | 577 | 586,094 | 2,675 | 604,204 | 607,217 | 2,170 | Yes |
| Average Number of Persons per Household 4 | 2.92 | 0.01 | 2.94 | 0.01 | 2.90 | 2.93 | 0.01 | No |
| Average Household Income 5 | $96,185 | $516 | $112,317 | $1,278 | -- | $117,320 | $1,279 | Yes |
| Average Number of Vehicles per Household 6 | 1.97 | 0.01 | 1.98 | 0.02 | -- | 1.97 | 0.01 | No |
| Percent of Persons in Poverty 7 | 7.50 | 0.10 | 8.40 | 0.37 | -- | 10.60 | 0.44 | Yes |
| Percent Minority 8 | 46.40 | 0.20 | 48.20 | 0.36 | 53.00 | 49.60 | 0.43 | Yes |
| Percent of Persons 65 and Over 9 | 9.50 | 0.10 | 10.80 | 0.18 | 11.10 | 11.40 | 0.17 | Yes |
| Percent of Persons Foreign Born 10 | 34.10 | 0.20 | 36.50 | 0.37 | -- | 37.00 | 0.29 | Yes |
| Total Workers at Place of Residence11 | 844,738 | 3,340 | 880,081 | 5,101 | -- | 859,779 | 5,137 | 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 | 828,925 | 100.0 | 3,340 | 835,290 | 100.0 | 5,162 | 837,328 | 100.0 | 5,248 | Yes |
| Drove alone | 641,115 | 77.3 | 3,244 | 640,792 | 76.7 | 4,843 | 643,213 | 76.8 | 5,599 | No |
| 2-person Carpool | 80,220 | 9.7 | 1,423 | 68,021 | 8.1 | 3,192 | 69,192 | 8.3 | 3,086 | Yes |
| 3-or-more-person Carpool | 20,970 | 2.5 | 741 | 15,496 | 1.9 | 1,618 | 16,172 | 1.9 | 1,406 | Yes |
| Transit | 28,785 | 3.5 | 866 | 28,448 | 3.4 | 2,176 | 27,645 | 3.3 | 1,669 | No |
| Bike | 10,075 | 1.2 | 515 | 12,436 | 1.5 | 1,085 | 15,086 | 1.8 | 1,562 | Yes |
| Walked | 14,785 | 1.8 | 623 | 19,100 | 2.3 | 1,735 | 15,916 | 1.9 | 1,333 | No |
| Taxi, Motorcycle and Other means | 7,115 | 0.9 | 433 | 15,433 | 1.8 | 1,702 | 9,632 | 1.2 | 1,031 | Yes |
| Worked at Home | 25,870 | 3.1 | 822 | 35,564 | 4.3 | 1,952 | 40,472 | 4.8 | 1,632 | 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 | 946,755 | 100.0 | 3,314 | 938,003 | 100.0 | 6,808 | 944,191 | 100.0 | 7,301 | No |
| Drove alone | 730,350 | 77.1 | 3,311 | 716,931 | 76.4 | 5,252 | 722,541 | 76.5 | 6,396 | Yes |
| 2-person Carpool | 97,935 | 10.3 | 1,564 | 79,064 | 8.4 | 3,639 | 82,445 | 8.7 | 3,014 | Yes |
| 3-or-more-person Carpool | 25,495 | 2.7 | 816 | 21,028 | 2.2 | 1,839 | 19,081 | 2.0 | 1,538 | Yes |
| Transit | 32,285 | 3.4 | 916 | 34,289 | 3.7 | 2,190 | 34,777 | 3.7 | 2,214 | Yes |
| Bike | 10,580 | 1.1 | 528 | 13,960 | 1.5 | 1,254 | 16,445 | 1.7 | 1,568 | Yes |
| Walked | 15,355 | 1.6 | 635 | 19,270 | 2.1 | 1,782 | 16,569 | 1.8 | 1,391 | No |
| Taxi, Motorcycle and Other means | 8,880 | 0.9 | 484 | 17,897 | 1.9 | 1,896 | 11,861 | 1.3 | 1,251 | Yes |
| Worked at Home | 25,870 | 2.7 | 822 | 35,564 | 3.8 | 1,952 | 40,472 | 4.3 | 1,632 | 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) | 26.1 | 0.1 | 24.3 | 0.3 | 24.9 | 0.3 | Yes |
| Drove alone | 25.1 | 0.1 | 23.2 | 0.3 | 24.0 | 0.3 | Yes |
| Carpooled | 28.0 | 0.4 | 26.4 | 2.0 | 26.5 | 1.6 | No |
| Transit | 50.6 | 1.2 | 50.0 | 5.8 | 49.6 | 4.6 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 19.0 | 0.7 | 19.0 | 1.8 | 18.2 | 1.6 | 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
