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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 | 279,320 | -- | 278,076 | -- | 280,895 | 281,470 | -- | -- |
| Persons in Households 2 | 262,497 | 509 | 257,920 | -- | 262,417 | 262,035 | -- | -- |
| Total Households 3 | 108,567 | 317 | 107,506 | 1,339 | 111,162 | 108,326 | 1,148 | No |
| Average Number of Persons per Household 4 | 2.42 | 0.02 | 2.40 | 0.02 | 2.36 | 2.42 | 0.02 | No |
| Average Household Income 5 | $53,170 | $603 | $58,814 | $1,514 | -- | $59,714 | $1,435 | Yes |
| Average Number of Vehicles per Household 6 | 1.69 | 0.01 | 1.68 | 0.03 | -- | 1.64 | 0.03 | Yes |
| Percent of Persons in Poverty 7 | 14.60 | 0.30 | 19.50 | 1.07 | -- | 23.00 | 1.10 | Yes |
| Percent Minority 8 | 20.60 | 0.30 | 20.50 | 0.35 | 23.80 | 23.50 | 0.34 | Yes |
| Percent of Persons 65 and Over 9 | 9.40 | 0.20 | 10.40 | 0.38 | 10.50 | 10.80 | 0.38 | Yes |
| Percent of Persons Foreign Born 10 | 6.30 | 0.20 | 7.20 | 0.58 | -- | 8.50 | 0.51 | Yes |
| Total Workers at Place of Residence11 | 142,848 | 1,069 | 133,434 | 2,453 | -- | 129,508 | 1,850 | 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 | 139,265 | 100.0 | 1,069 | 130,317 | 100.0 | 2,072 | 125,928 | 100.0 | 1,763 | Yes |
| Drove alone | 109,670 | 78.7 | 1,044 | 100,330 | 77.0 | 2,067 | 96,097 | 76.3 | 1,763 | Yes |
| 2-person Carpool | 11,245 | 8.1 | 420 | 8,892 | 6.8 | 859 | 8,921 | 7.1 | 949 | Yes |
| 3-or-more-person Carpool | 2,405 | 1.7 | 198 | 1,760 | 1.4 | 351 | 1,829 | 1.5 | 371 | Yes |
| Transit | 2,949 | 2.1 | 219 | 3,896 | 3.0 | 514 | 3,802 | 3.0 | 597 | Yes |
| Bike | 1,075 | 0.8 | 132 | 1,933 | 1.5 | 394 | 2,334 | 1.9 | 500 | Yes |
| Walked | 7,240 | 5.2 | 340 | 8,352 | 6.4 | 856 | 6,899 | 5.5 | 719 | No |
| Taxi, Motorcycle and Other means | 510 | 0.4 | 91 | 1,121 | 0.9 | 319 | 800 | 0.6 | 232 | Yes |
| Worked at Home | 4,165 | 3.0 | 259 | 4,033 | 3.1 | 606 | 5,246 | 4.2 | 654 | 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 | 171,220 | 100.0 | 1,042 | 163,091 | 100.0 | 2,556 | 156,804 | 100.0 | 2,762 | Yes |
| Drove alone | 138,140 | 80.7 | 1,069 | 127,864 | 78.4 | 2,397 | 123,622 | 78.8 | 2,668 | Yes |
| 2-person Carpool | 13,885 | 8.1 | 465 | 12,659 | 7.8 | 1,024 | 10,517 | 6.7 | 967 | Yes |
| 3-or-more-person Carpool | 3,050 | 1.8 | 222 | 2,772 | 1.7 | 421 | 2,887 | 1.8 | 523 | No |
| Transit | 2,984 | 1.7 | 220 | 3,994 | 2.4 | 504 | 4,009 | 2.6 | 644 | Yes |
| Bike | 1,145 | 0.7 | 137 | 2,043 | 1.3 | 413 | 2,481 | 1.6 | 507 | Yes |
| Walked | 7,330 | 4.3 | 342 | 8,783 | 5.4 | 880 | 7,137 | 4.6 | 739 | No |
| Taxi, Motorcycle and Other means | 530 | 0.3 | 93 | 943 | 0.6 | 216 | 905 | 0.6 | 227 | Yes |
| Worked at Home | 4,165 | 2.4 | 259 | 4,033 | 2.5 | 606 | 5,246 | 3.3 | 654 | 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) | 20.1 | 0.2 | 20.0 | 0.7 | 19.9 | 0.6 | No |
| Drove alone | 20.0 | 0.3 | 19.9 | 0.7 | 19.8 | 0.6 | No |
| Carpooled | 23.0 | 0.8 | 22.4 | 3.0 | 22.2 | 3.1 | No |
| Transit | 32.0 | 2.1 | 31.3 | 7.9 | 34.5 | 8.2 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 12.8 | 0.7 | 14.9 | 2.2 | 13.7 | 2.4 | 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
