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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 | 776,733 | -- | 807,515 | -- | 805,235 | 815,234 | -- | -- |
| Persons in Households 2 | 756,991 | 714 | 790,873 | -- | 780,971 | 796,249 | -- | -- |
| Total Households 3 | 329,850 | 649 | 323,284 | 2,336 | 345,811 | 341,721 | 2,370 | Yes |
| Average Number of Persons per Household 4 | 2.29 | 0.01 | 2.45 | 0.02 | 2.26 | 2.33 | 0.02 | Yes |
| Average Household Income 5 | $80,325 | $650 | $103,982 | $2,144 | -- | $106,350 | $2,210 | Yes |
| Average Number of Vehicles per Household 6 | 1.11 | 0.01 | 1.08 | 0.02 | -- | 1.07 | 0.02 | Yes |
| Percent of Persons in Poverty 7 | 11.30 | 0.20 | 11.10 | 0.56 | -- | 13.80 | 0.61 | Yes |
| Percent Minority 8 | 50.40 | 0.30 | 45.60 | 0.42 | 51.50 | 49.70 | 0.44 | Yes |
| Percent of Persons 65 and Over 9 | 13.80 | 0.20 | 14.10 | 0.34 | 13.60 | 13.80 | 0.31 | No |
| Percent of Persons Foreign Born 10 | 36.80 | 0.30 | 34.40 | 0.53 | -- | 36.10 | 0.55 | Yes |
| Total Workers at Place of Residence11 | 428,060 | 2,257 | 462,802 | 3,950 | -- | 451,699 | 3,751 | 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 | 418,555 | 100.0 | 2,262 | 442,334 | 100.0 | 3,910 | 441,263 | 100.0 | 3,798 | Yes |
| Drove alone | 169,510 | 40.5 | 1,875 | 169,260 | 38.3 | 3,639 | 161,634 | 36.6 | 3,639 | Yes |
| 2-person Carpool | 34,325 | 8.2 | 933 | 24,200 | 5.5 | 1,721 | 26,858 | 6.1 | 2,055 | Yes |
| 3-or-more-person Carpool | 10,825 | 2.6 | 532 | 9,093 | 2.1 | 1,258 | 6,897 | 1.6 | 964 | Yes |
| Transit | 128,755 | 30.8 | 1,688 | 144,634 | 32.7 | 4,341 | 145,487 | 33.0 | 3,937 | Yes |
| Bike | 8,300 | 2.0 | 467 | 12,480 | 2.8 | 1,462 | 15,939 | 3.6 | 1,841 | Yes |
| Walked | 39,190 | 9.4 | 993 | 44,316 | 10.0 | 2,650 | 42,524 | 9.6 | 2,079 | Yes |
| Taxi, Motorcycle and Other means | 8,260 | 2.0 | 466 | 8,419 | 1.9 | 1,039 | 10,633 | 2.4 | 1,233 | Yes |
| Worked at Home | 19,375 | 4.6 | 708 | 29,932 | 6.8 | 2,024 | 31,291 | 7.1 | 1,925 | 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 | 587,300 | 100.0 | 1,949 | 611,184 | 100.0 | 6,177 | 605,275 | 100.0 | 6,841 | Yes |
| Drove alone | 220,190 | 37.5 | 2,045 | 221,840 | 36.3 | 4,611 | 216,559 | 35.8 | 4,625 | No |
| 2-person Carpool | 51,035 | 8.7 | 1,124 | 41,873 | 6.9 | 2,208 | 41,304 | 6.8 | 2,310 | Yes |
| 3-or-more-person Carpool | 28,125 | 4.8 | 848 | 22,149 | 3.6 | 1,717 | 19,049 | 3.1 | 1,390 | Yes |
| Transit | 208,675 | 35.5 | 2,012 | 224,507 | 36.7 | 4,903 | 225,390 | 37.2 | 5,056 | Yes |
| Bike | 8,245 | 1.4 | 465 | 12,667 | 2.1 | 1,417 | 16,200 | 2.7 | 1,815 | Yes |
| Walked | 39,350 | 6.7 | 995 | 45,019 | 7.4 | 2,635 | 42,454 | 7.0 | 2,118 | Yes |
| Taxi, Motorcycle and Other means | 12,305 | 2.1 | 567 | 13,197 | 2.2 | 1,333 | 13,028 | 2.2 | 1,302 | No |
| Worked at Home | 19,375 | 3.3 | 708 | 29,932 | 4.9 | 2,024 | 31,291 | 5.2 | 1,925 | 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) | 30.7 | 0.2 | 29.2 | 0.6 | 30.5 | 0.5 | No |
| Drove alone | 29.0 | 0.3 | 27.0 | 0.9 | 28.4 | 1.0 | No |
| Carpooled | 29.7 | 0.6 | 27.9 | 2.6 | 27.5 | 2.7 | No |
| Transit | 38.3 | 0.4 | 36.9 | 1.7 | 38.4 | 1.5 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 19.3 | 0.4 | 18.4 | 1.4 | 20.4 | 1.5 | 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
