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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 | 621,602 | -- | 627,802 | -- | 626,667 | 627,625 | -- | -- |
| Persons in Households 2 | 595,117 | 761 | 600,187 | -- | 598,882 | 600,018 | -- | -- |
| Total Households 3 | 239,926 | 537 | 233,075 | 1,577 | 241,717 | 237,634 | 1,732 | Yes |
| Average Number of Persons per Household 4 | 2.48 | 0.01 | 2.58 | 0.01 | 2.48 | 2.52 | 0.02 | Yes |
| Average Household Income 5 | $48,940 | $459 | $63,759 | $1,173 | -- | $65,317 | $1,223 | Yes |
| Average Number of Vehicles per Household 6 | 1.50 | 0.01 | 1.59 | 0.02 | -- | 1.55 | 0.02 | Yes |
| Percent of Persons in Poverty 7 | 15.50 | 0.20 | 15.00 | 0.76 | -- | 17.70 | 0.75 | Yes |
| Percent Minority 8 | 21.60 | 0.20 | 24.80 | 0.49 | 26.60 | 26.30 | 0.61 | Yes |
| Percent of Persons 65 and Over 9 | 14.60 | 0.20 | 13.40 | 0.31 | 13.50 | 13.60 | 0.30 | Yes |
| Percent of Persons Foreign Born 10 | 15.60 | 0.20 | 17.40 | 0.50 | -- | 18.00 | 0.49 | Yes |
| Total Workers at Place of Residence11 | 284,964 | 1,879 | 304,145 | 3,358 | -- | 292,015 | 2,870 | 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 | 276,325 | 100.0 | 1,873 | 288,681 | 100.0 | 3,177 | 284,855 | 100.0 | 2,895 | Yes |
| Drove alone | 213,895 | 77.4 | 1,791 | 226,234 | 78.4 | 3,631 | 220,118 | 77.3 | 2,782 | Yes |
| 2-person Carpool | 25,990 | 9.4 | 755 | 20,891 | 7.2 | 1,572 | 21,371 | 7.5 | 1,491 | Yes |
| 3-or-more-person Carpool | 6,655 | 2.4 | 388 | 6,068 | 2.1 | 823 | 6,859 | 2.4 | 983 | No |
| Transit | 8,895 | 3.2 | 448 | 10,771 | 3.7 | 1,184 | 11,248 | 3.9 | 1,122 | Yes |
| Bike | 990 | 0.4 | 150 | 1,031 | 0.4 | 298 | 1,539 | 0.5 | 435 | Yes |
| Walked | 12,460 | 4.5 | 528 | 10,995 | 3.8 | 938 | 11,444 | 4.0 | 841 | Yes |
| Taxi, Motorcycle and Other means | 2,315 | 0.8 | 230 | 3,570 | 1.2 | 819 | 4,444 | 1.6 | 742 | Yes |
| Worked at Home | 5,115 | 1.9 | 341 | 9,121 | 3.2 | 839 | 7,832 | 2.7 | 924 | 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 | 280,115 | 100.0 | 1,876 | 289,969 | 100.0 | 4,345 | 288,952 | 100.0 | 4,215 | Yes |
| Drove alone | 223,425 | 79.8 | 1,809 | 232,024 | 80.0 | 3,907 | 231,148 | 80.0 | 3,571 | Yes |
| 2-person Carpool | 23,610 | 8.4 | 721 | 19,407 | 6.7 | 1,468 | 18,978 | 6.6 | 1,286 | Yes |
| 3-or-more-person Carpool | 5,225 | 1.9 | 344 | 5,445 | 1.9 | 932 | 5,106 | 1.8 | 828 | No |
| Transit | 7,750 | 2.8 | 418 | 9,267 | 3.2 | 1,140 | 9,904 | 3.4 | 1,069 | Yes |
| Bike | 950 | 0.3 | 147 | 1,012 | 0.3 | 285 | 1,489 | 0.5 | 427 | Yes |
| Walked | 12,130 | 4.3 | 521 | 10,847 | 3.7 | 925 | 11,278 | 3.9 | 846 | No |
| Taxi, Motorcycle and Other means | 1,910 | 0.7 | 209 | 2,846 | 1.0 | 691 | 3,217 | 1.1 | 630 | Yes |
| Worked at Home | 5,115 | 1.8 | 341 | 9,121 | 3.1 | 839 | 7,832 | 2.7 | 924 | 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) | 22.0 | 0.2 | 22.8 | 0.5 | 23.2 | 0.5 | Yes |
| Drove alone | 21.4 | 0.2 | 21.9 | 0.6 | 22.5 | 0.6 | Yes |
| Carpooled | 24.0 | 0.6 | 24.6 | 2.5 | 24.6 | 2.7 | No |
| Transit | 43.1 | 2.0 | 45.4 | 7.9 | 43.4 | 6.5 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 14.0 | 0.7 | 16.4 | 2.9 | 17.0 | 2.8 | 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
