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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 | 651,154 | -- | 638,553 | -- | 620,961 | 620,843 | -- | -- |
| Persons in Households 2 | 625,380 | 810 | 617,206 | -- | 595,762 | 597,206 | -- | -- |
| Total Households 3 | 257,788 | 985 | 235,334 | 2,058 | 249,903 | 240,575 | 1,945 | Yes |
| Average Number of Persons per Household 4 | 2.43 | 0.02 | 2.62 | 0.02 | 2.38 | 2.48 | 0.02 | Yes |
| Average Household Income 5 | $42,090 | $452 | $56,573 | $1,437 | -- | $56,287 | $1,112 | Yes |
| Average Number of Vehicles per Household 6 | 0.94 | 0.01 | 1.09 | 0.02 | -- | 1.05 | 0.02 | Yes |
| Percent of Persons in Poverty 7 | 22.90 | 0.30 | 20.10 | 0.85 | -- | 25.20 | 0.91 | Yes |
| Percent Minority 8 | 68.30 | 0.30 | 67.80 | 0.22 | 70.40 | 69.90 | 0.27 | Yes |
| Percent of Persons 65 and Over 9 | 13.20 | 0.20 | 11.80 | 0.30 | 11.70 | 11.80 | 0.30 | Yes |
| Percent of Persons Foreign Born 10 | 4.60 | 0.10 | 6.20 | 0.41 | -- | 7.30 | 0.32 | Yes |
| Total Workers at Place of Residence11 | 256,460 | 2,030 | 286,581 | 3,765 | -- | 264,259 | 3,095 | 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 | 249,375 | 100.0 | 2,020 | 275,238 | 100.0 | 3,467 | 257,681 | 100.0 | 3,121 | Yes |
| Drove alone | 136,380 | 54.7 | 1,691 | 162,555 | 59.1 | 3,688 | 153,966 | 59.8 | 3,205 | Yes |
| 2-person Carpool | 29,250 | 11.7 | 861 | 22,963 | 8.3 | 1,766 | 21,131 | 8.2 | 1,549 | Yes |
| 3-or-more-person Carpool | 8,750 | 3.5 | 478 | 6,834 | 2.5 | 1,066 | 5,061 | 2.0 | 747 | Yes |
| Transit | 46,710 | 18.7 | 1,072 | 51,803 | 18.8 | 2,792 | 46,737 | 18.1 | 2,274 | No |
| Bike | 825 | 0.3 | 148 | 1,829 | 0.7 | 502 | 2,197 | 0.9 | 439 | Yes |
| Walked | 17,725 | 7.1 | 676 | 18,319 | 6.7 | 1,864 | 17,640 | 6.8 | 1,409 | No |
| Taxi, Motorcycle and Other means | 3,905 | 1.6 | 321 | 2,950 | 1.1 | 595 | 3,803 | 1.5 | 717 | No |
| Worked at Home | 5,825 | 2.3 | 391 | 7,985 | 2.9 | 1,190 | 7,146 | 2.8 | 867 | 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 | 342,000 | 100.0 | 2,075 | 374,504 | 100.0 | 5,299 | 360,471 | 100.0 | 4,582 | Yes |
| Drove alone | 225,885 | 66.0 | 1,978 | 253,225 | 67.6 | 4,646 | 245,742 | 68.2 | 4,602 | Yes |
| 2-person Carpool | 35,810 | 10.5 | 947 | 31,587 | 8.4 | 1,887 | 30,728 | 8.5 | 2,007 | Yes |
| 3-or-more-person Carpool | 9,045 | 2.6 | 486 | 10,067 | 2.7 | 1,270 | 7,896 | 2.2 | 1,039 | Yes |
| Transit | 43,675 | 12.8 | 1,039 | 47,520 | 12.7 | 2,577 | 44,744 | 12.4 | 2,034 | No |
| Bike | 850 | 0.2 | 150 | 1,774 | 0.5 | 480 | 2,164 | 0.6 | 455 | Yes |
| Walked | 16,950 | 5.0 | 662 | 18,632 | 5.0 | 1,977 | 17,501 | 4.9 | 1,373 | No |
| Taxi, Motorcycle and Other means | 3,965 | 1.2 | 323 | 3,714 | 1.0 | 655 | 4,550 | 1.3 | 765 | No |
| Worked at Home | 5,825 | 1.7 | 391 | 7,985 | 2.1 | 1,190 | 7,146 | 2.0 | 867 | 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) | 31.1 | 0.3 | 29.3 | 0.7 | 30.1 | 0.8 | Yes |
| Drove alone | 27.2 | 0.3 | 25.9 | 0.9 | 26.8 | 1.0 | No |
| Carpooled | 28.8 | 0.7 | 27.4 | 3.0 | 28.0 | 3.1 | No |
| Transit | 50.9 | 0.9 | 47.3 | 3.9 | 49.0 | 3.5 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 18.0 | 0.8 | 16.1 | 2.2 | 16.9 | 1.9 | 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
