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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 | 898,387 | -- | 1,018,647 | -- | 1,029,655 | 1,048,261 | -- | -- |
| Persons in Households 2 | 883,978 | 526 | 1,004,813 | -- | 1,015,649 | 1,034,601 | -- | -- |
| Total Households 3 | 295,290 | 539 | 334,085 | 1,744 | 342,622 | 344,187 | 1,690 | Yes |
| Average Number of Persons per Household 4 | 2.99 | 0.01 | 3.01 | 0.01 | 2.96 | 3.01 | 0.01 | Yes |
| Average Household Income 5 | $60,585 | $414 | $73,097 | $1,111 | -- | $74,148 | $1,217 | Yes |
| Average Number of Vehicles per Household 6 | 1.92 | 0.01 | 1.98 | 0.02 | -- | 1.92 | 0.02 | No |
| Percent of Persons in Poverty 7 | 8.00 | 0.10 | 9.10 | 0.56 | -- | 13.60 | 0.60 | Yes |
| Percent Minority 8 | 13.80 | 0.20 | 12.20 | 0.34 | 18.80 | 15.20 | 0.44 | Yes |
| Percent of Persons 65 and Over 9 | 8.10 | 0.10 | 8.60 | 0.18 | 8.70 | 8.90 | 0.19 | Yes |
| Percent of Persons Foreign Born 10 | 10.40 | 0.10 | 12.00 | 0.36 | -- | 12.20 | 0.33 | Yes |
| Total Workers at Place of Residence11 | 446,003 | 2,092 | 521,784 | 3,781 | -- | 507,195 | 3,942 | 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 | 438,625 | 100.0 | 2,091 | 505,089 | 100.0 | 3,548 | 499,182 | 100.0 | 3,858 | Yes |
| Drove alone | 335,075 | 76.4 | 2,023 | 386,124 | 76.4 | 3,981 | 382,253 | 76.6 | 4,316 | Yes |
| 2-person Carpool | 45,635 | 10.4 | 919 | 45,720 | 9.1 | 2,424 | 44,938 | 9.0 | 2,237 | No |
| 3-or-more-person Carpool | 11,675 | 2.7 | 474 | 14,027 | 2.8 | 1,519 | 13,346 | 2.7 | 1,326 | Yes |
| Transit | 15,230 | 3.5 | 540 | 16,254 | 3.2 | 1,370 | 17,419 | 3.5 | 1,423 | Yes |
| Bike | 2,195 | 0.5 | 207 | 3,789 | 0.8 | 601 | 4,070 | 0.8 | 655 | Yes |
| Walked | 8,765 | 2.0 | 411 | 10,950 | 2.2 | 1,067 | 10,504 | 2.1 | 911 | Yes |
| Taxi, Motorcycle and Other means | 3,105 | 0.7 | 246 | 5,640 | 1.1 | 807 | 5,548 | 1.1 | 618 | Yes |
| Worked at Home | 16,950 | 3.9 | 569 | 22,585 | 4.5 | 1,366 | 21,104 | 4.2 | 1,730 | 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 | 489,780 | 100.0 | 2,083 | 574,853 | 100.0 | 4,755 | 573,635 | 100.0 | 4,440 | Yes |
| Drove alone | 375,535 | 76.7 | 2,064 | 442,570 | 77.0 | 4,972 | 441,629 | 77.0 | 4,956 | Yes |
| 2-person Carpool | 51,465 | 10.5 | 972 | 52,725 | 9.2 | 2,522 | 51,997 | 9.1 | 2,369 | No |
| 3-or-more-person Carpool | 12,690 | 2.6 | 494 | 14,561 | 2.5 | 1,568 | 15,275 | 2.7 | 1,262 | Yes |
| Transit | 17,760 | 3.6 | 582 | 21,091 | 3.7 | 1,579 | 22,057 | 3.8 | 1,575 | Yes |
| Bike | 2,235 | 0.5 | 208 | 3,768 | 0.7 | 630 | 4,059 | 0.7 | 661 | Yes |
| Walked | 9,405 | 1.9 | 426 | 11,020 | 1.9 | 1,063 | 10,746 | 1.9 | 921 | Yes |
| Taxi, Motorcycle and Other means | 3,745 | 0.8 | 270 | 6,533 | 1.1 | 837 | 6,768 | 1.2 | 752 | Yes |
| Worked at Home | 16,950 | 3.5 | 569 | 22,585 | 3.9 | 1,366 | 21,104 | 3.7 | 1,730 | 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) | 22.5 | 0.1 | 22.0 | 0.3 | 22.4 | 0.4 | No |
| Drove alone | 21.4 | 0.1 | 20.7 | 0.4 | 20.9 | 0.4 | Yes |
| Carpooled | 24.6 | 0.4 | 25.7 | 2.1 | 25.4 | 1.8 | No |
| Transit | 41.8 | 1.1 | 42.0 | 5.1 | 43.9 | 5.6 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 20.8 | 1.0 | 19.3 | 2.6 | 22.9 | 2.8 | 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
