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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 | 252,161 | -- | 252,884 | -- | 254,969 | 256,551 | -- | -- |
| Persons in Households 2 | 245,767 | 319 | 245,061 | -- | 248,722 | 250,688 | -- | -- |
| Total Households 3 | 98,066 | 389 | 98,821 | 1,346 | 102,139 | 98,582 | 1,088 | No |
| Average Number of Persons per Household 4 | 2.51 | 0.02 | 2.48 | 0.03 | 2.44 | 2.54 | 0.03 | No |
| Average Household Income 5 | $45,165 | $615 | $55,721 | $2,358 | -- | $59,655 | $1,892 | Yes |
| Average Number of Vehicles per Household 6 | 1.53 | 0.01 | 1.57 | 0.04 | -- | 1.62 | 0.04 | Yes |
| Percent of Persons in Poverty 7 | 21.10 | 0.30 | 20.50 | 1.55 | -- | 19.80 | 1.36 | No |
| Percent Minority 8 | 47.00 | 0.40 | 50.00 | 0.28 | 51.00 | 51.50 | 0.28 | Yes |
| Percent of Persons 65 and Over 9 | 13.70 | 0.30 | 13.50 | 0.47 | 13.60 | 13.70 | 0.50 | No |
| Percent of Persons Foreign Born 10 | 1.50 | 0.10 | 1.90 | 0.29 | -- | 2.30 | 0.29 | Yes |
| Total Workers at Place of Residence11 | 105,998 | 1,003 | 112,131 | 2,255 | -- | 112,988 | 1,857 | 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 | 104,075 | 100.0 | 1,000 | 108,002 | 100.0 | 1,962 | 110,841 | 100.0 | 1,749 | Yes |
| Drove alone | 83,125 | 79.9 | 955 | 90,320 | 83.6 | 2,193 | 92,754 | 83.7 | 2,103 | Yes |
| 2-person Carpool | 11,175 | 10.7 | 418 | 6,967 | 6.5 | 727 | 7,543 | 6.8 | 879 | Yes |
| 3-or-more-person Carpool | 2,765 | 2.7 | 212 | 2,084 | 1.9 | 421 | 2,014 | 1.8 | 421 | Yes |
| Transit | 2,268 | 2.2 | 192 | 2,424 | 2.2 | 516 | 2,162 | 2.0 | 475 | No |
| Bike | 145 | 0.1 | 49 | 77 | 0.1 | 76 | 140 | 0.1 | 129 | No |
| Walked | 1,630 | 1.6 | 163 | 2,209 | 2.0 | 629 | 1,939 | 1.7 | 488 | No |
| Taxi, Motorcycle and Other means | 1,135 | 1.1 | 136 | 1,934 | 1.8 | 451 | 1,925 | 1.7 | 536 | Yes |
| Worked at Home | 1,825 | 1.8 | 172 | 1,987 | 1.8 | 378 | 2,364 | 2.1 | 560 | No |
| 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 | 116,985 | 100.0 | 1,013 | 124,062 | 100.0 | 2,784 | 125,529 | 100.0 | 2,742 | Yes |
| Drove alone | 95,145 | 81.3 | 985 | 104,466 | 84.2 | 2,808 | 107,196 | 85.4 | 2,733 | Yes |
| 2-person Carpool | 11,995 | 10.3 | 432 | 8,082 | 6.5 | 793 | 8,146 | 6.5 | 916 | Yes |
| 3-or-more-person Carpool | 3,005 | 2.6 | 220 | 2,452 | 2.0 | 474 | 2,323 | 1.9 | 435 | Yes |
| Transit | 2,073 | 1.8 | 183 | 2,372 | 1.9 | 542 | 1,798 | 1.4 | 463 | No |
| Bike | 145 | 0.1 | 49 | 80 | 0.1 | 77 | 150 | 0.1 | 134 | No |
| Walked | 1,570 | 1.3 | 160 | 2,328 | 1.9 | 631 | 1,945 | 1.5 | 476 | No |
| Taxi, Motorcycle and Other means | 1,225 | 1.0 | 141 | 2,295 | 1.8 | 514 | 1,607 | 1.3 | 426 | No |
| Worked at Home | 1,825 | 1.6 | 172 | 1,987 | 1.6 | 378 | 2,364 | 1.9 | 560 | No |
| 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) | 21.0 | 0.2 | 19.2 | 0.8 | 20.5 | 0.7 | No |
| Drove alone | 20.2 | 0.3 | 18.7 | 0.8 | 20.0 | 0.8 | No |
| Carpooled | 22.3 | 0.7 | 21.4 | 3.0 | 22.0 | 3.5 | No |
| Transit | 41.0 | 2.7 | 38.2 | 12.5 | 46.7 | 16.8 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 19.2 | 1.8 | 14.9 | 4.7 | 15.5 | 4.7 | 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