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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 | 589,141 | -- | 634,879 | 46 | 617,594 | 628,365 | 73 | -- |
| Persons in Households 2 | 554,018 | 869 | 594,284 | -- | 571,380 | 583,034 | -- | -- |
| Total Households 3 | 239,603 | 518 | 237,845 | 2,428 | 252,699 | 248,738 | 2,009 | Yes |
| Average Number of Persons per Household 4 | 2.31 | 0.01 | 2.50 | 0.02 | 2.26 | 2.34 | 0.02 | Yes |
| Average Household Income 5 | $55,865 | $553 | $78,503 | $2,112 | -- | $78,420 | $1,798 | Yes |
| Average Number of Vehicles per Household 6 | 0.92 | 0.01 | 0.93 | 0.02 | -- | 0.89 | 0.02 | Yes |
| Percent of Persons in Poverty 7 | 19.50 | 0.30 | 18.30 | 0.78 | -- | 22.70 | 0.81 | Yes |
| Percent Minority 8 | 45.60 | 0.30 | 43.40 | 0.60 | 46.10 | 46.20 | 0.47 | Yes |
| Percent of Persons 65 and Over 9 | 10.50 | 0.20 | 10.10 | 0.31 | 10.10 | 10.30 | 0.28 | No |
| Percent of Persons Foreign Born 10 | 25.80 | 0.30 | 26.80 | 0.65 | -- | 26.60 | 0.66 | Yes |
| Total Workers at Place of Residence11 | 286,147 | 1,834 | 340,658 | 4,311 | -- | 322,040 | 3,339 | 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 | 278,465 | 100.0 | 1,832 | 331,613 | 100.0 | 4,132 | 315,377 | 100.0 | 3,358 | Yes |
| Drove alone | 115,620 | 41.5 | 1,458 | 131,944 | 39.8 | 4,046 | 120,040 | 38.1 | 2,951 | Yes |
| 2-person Carpool | 20,015 | 7.2 | 665 | 17,123 | 5.2 | 1,855 | 17,466 | 5.5 | 1,604 | Yes |
| 3-or-more-person Carpool | 5,650 | 2.0 | 358 | 6,776 | 2.0 | 1,045 | 5,132 | 1.6 | 773 | No |
| Transit | 88,710 | 31.9 | 1,313 | 110,180 | 33.2 | 3,796 | 104,895 | 33.3 | 3,571 | Yes |
| Bike | 2,705 | 1.0 | 248 | 5,049 | 1.5 | 792 | 5,541 | 1.8 | 848 | Yes |
| Walked | 36,325 | 13.0 | 883 | 46,221 | 13.9 | 1,982 | 48,177 | 15.3 | 2,256 | Yes |
| Taxi, Motorcycle and Other means | 2,850 | 1.0 | 255 | 3,833 | 1.2 | 728 | 2,246 | 0.7 | 459 | Yes |
| Worked at Home | 6,595 | 2.4 | 386 | 10,487 | 3.2 | 993 | 11,880 | 3.8 | 1,045 | 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 | 520,580 | 100.0 | 1,177 | 575,380 | 100.0 | 7,192 | 572,520 | 100.0 | 6,175 | Yes |
| Drove alone | 236,130 | 45.4 | 1,799 | 248,373 | 43.2 | 5,857 | 245,486 | 42.9 | 4,650 | Yes |
| 2-person Carpool | 36,455 | 7.0 | 884 | 32,087 | 5.6 | 2,063 | 33,550 | 5.9 | 2,074 | Yes |
| 3-or-more-person Carpool | 8,785 | 1.7 | 445 | 9,521 | 1.7 | 1,138 | 7,836 | 1.4 | 952 | No |
| Transit | 187,860 | 36.1 | 1,711 | 214,196 | 37.2 | 4,553 | 212,021 | 37.0 | 4,464 | Yes |
| Bike | 3,460 | 0.7 | 280 | 6,994 | 1.2 | 903 | 7,706 | 1.3 | 792 | Yes |
| Walked | 36,765 | 7.1 | 888 | 46,993 | 8.2 | 2,119 | 49,004 | 8.6 | 2,141 | Yes |
| Taxi, Motorcycle and Other means | 4,540 | 0.9 | 321 | 6,729 | 1.2 | 936 | 5,037 | 0.9 | 709 | No |
| Worked at Home | 6,595 | 1.3 | 386 | 10,487 | 1.8 | 993 | 11,880 | 2.1 | 1,045 | 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) | 28.8 | 0.2 | 28.7 | 0.7 | 28.9 | 0.6 | No |
| Drove alone | 27.1 | 0.3 | 26.3 | 1.2 | 26.7 | 1.0 | No |
| Carpooled | 27.9 | 0.7 | 28.9 | 4.0 | 28.5 | 3.4 | No |
| Transit | 37.3 | 0.4 | 37.5 | 1.9 | 38.5 | 2.1 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 16.0 | 0.4 | 16.4 | 1.2 | 15.8 | 1.1 | 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
