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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 | -- | -- | 564,092 | 68 | 597,337 | 601,670 | 108 | -- |
| Persons in Households 2 | -- | -- | 552,540 | -- | 584,775 | 589,009 | -- | -- |
| Total Households 3 | -- | -- | 231,092 | 1,516 | 246,438 | 242,395 | 1,641 | -- |
| Average Number of Persons per Household 4 | -- | -- | 2.39 | 0.01 | 2.37 | 2.43 | 0.02 | -- |
| Average Household Income 5 | -- | -- | $57,946 | $974 | -- | $60,786 | $1,221 | -- |
| Average Number of Vehicles per Household 6 | -- | -- | 1.59 | 0.02 | -- | 1.57 | 0.02 | -- |
| Percent of Persons in Poverty 7 | -- | -- | 16.90 | 0.71 | -- | 19.30 | 0.71 | -- |
| Percent Minority 8 | -- | -- | 27.10 | 0.35 | 29.40 | 28.60 | 0.39 | -- |
| Percent of Persons 65 and Over 9 | -- | -- | 12.90 | 0.31 | 12.60 | 12.80 | 0.31 | -- |
| Percent of Persons Foreign Born 10 | -- | -- | 5.50 | 0.34 | -- | 6.70 | 0.41 | -- |
| Total Workers at Place of Residence11 | -- | -- | 268,893 | 3,144 | -- | 273,255 | 3,469 | -- |
| 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 | -- | -- | -- | 260,370 | 100.0 | 2,923 | 267,551 | 100.0 | 3,515 | -- |
| Drove alone | -- | -- | -- | 208,462 | 80.1 | 3,205 | 218,334 | 81.6 | 3,414 | -- |
| 2-person Carpool | -- | -- | -- | 20,787 | 8.0 | 1,428 | 17,732 | 6.6 | 1,273 | -- |
| 3-or-more-person Carpool | -- | -- | -- | 4,861 | 1.9 | 742 | 4,395 | 1.6 | 804 | -- |
| Transit | -- | -- | -- | 10,628 | 4.1 | 1,124 | 8,931 | 3.3 | 1,128 | -- |
| Bike | -- | -- | -- | 1,118 | 0.4 | 303 | 909 | 0.3 | 317 | -- |
| Walked | -- | -- | -- | 5,998 | 2.3 | 799 | 5,657 | 2.1 | 645 | -- |
| Taxi, Motorcycle and Other means | -- | -- | -- | 2,368 | 0.9 | 469 | 3,436 | 1.3 | 735 | -- |
| Worked at Home | -- | -- | -- | 6,148 | 2.4 | 675 | 8,157 | 3.0 | 887 | -- |
| 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 | -- | -- | -- | 320,303 | 100.0 | 4,229 | 330,171 | 100.0 | 4,251 | -- |
| Drove alone | -- | -- | -- | 261,937 | 81.8 | 4,418 | 273,892 | 83.0 | 3,901 | -- |
| 2-person Carpool | -- | -- | -- | 25,308 | 7.9 | 1,505 | 23,234 | 7.0 | 1,408 | -- |
| 3-or-more-person Carpool | -- | -- | -- | 5,673 | 1.8 | 796 | 5,305 | 1.6 | 821 | -- |
| Transit | -- | -- | -- | 11,718 | 3.7 | 1,186 | 9,341 | 2.8 | 1,100 | -- |
| Bike | -- | -- | -- | 1,122 | 0.4 | 305 | 929 | 0.3 | 307 | -- |
| Walked | -- | -- | -- | 5,742 | 1.8 | 785 | 5,444 | 1.6 | 641 | -- |
| Taxi, Motorcycle and Other means | -- | -- | -- | 2,655 | 0.8 | 447 | 3,869 | 1.2 | 716 | -- |
| Worked at Home | -- | -- | -- | 6,148 | 1.9 | 675 | 8,157 | 2.5 | 887 | -- |
| 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) | -- | -- | 21.6 | 0.5 | 22.5 | 0.6 | -- |
| Drove alone | -- | -- | 20.8 | 0.6 | 21.8 | 0.6 | -- |
| Carpooled | -- | -- | 21.8 | 2.2 | 23.2 | 2.4 | -- |
| Transit | -- | -- | 40.2 | 6.9 | 42.0 | 8.3 | -- |
| Taxi, Motorcycle, Walk, Bicycle and Other means | -- | -- | 16.7 | 2.8 | 19.9 | 4.6 | -- |
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
