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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 | 404,119 | -- | 503,788 | -- | 515,269 | 519,581 | -- | -- |
| Persons in Households 2 | 397,580 | 325 | 497,974 | -- | 508,482 | 513,718 | -- | -- |
| Total Households 3 | 133,733 | 288 | 163,537 | 1,347 | 170,479 | 169,535 | 1,472 | Yes |
| Average Number of Persons per Household 4 | 2.97 | 0.01 | 3.05 | 0.02 | 2.98 | 3.03 | 0.03 | Yes |
| Average Household Income 5 | $72,835 | $649 | $85,444 | $1,624 | -- | $86,978 | $2,107 | Yes |
| Average Number of Vehicles per Household 6 | 1.90 | 0.01 | 1.95 | 0.03 | -- | 1.97 | 0.03 | Yes |
| Percent of Persons in Poverty 7 | 6.70 | 0.20 | 8.70 | 0.81 | -- | 12.30 | 0.80 | Yes |
| Percent Minority 8 | 20.90 | 0.30 | 25.30 | 0.89 | 25.40 | 26.50 | 0.78 | Yes |
| Percent of Persons 65 and Over 9 | 8.30 | 0.20 | 8.80 | 0.30 | 9.60 | 10.20 | 0.33 | Yes |
| Percent of Persons Foreign Born 10 | 15.70 | 0.20 | 16.90 | 0.53 | -- | 18.50 | 0.58 | Yes |
| Total Workers at Place of Residence11 | 196,244 | 1,286 | 251,703 | 2,937 | -- | 245,038 | 2,670 | 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 | 192,860 | 100.0 | 1,285 | 241,540 | 100.0 | 3,201 | 240,131 | 100.0 | 2,641 | Yes |
| Drove alone | 153,830 | 79.8 | 1,249 | 194,479 | 80.5 | 3,341 | 192,311 | 80.1 | 3,133 | Yes |
| 2-person Carpool | 16,110 | 8.4 | 503 | 16,314 | 6.8 | 1,541 | 16,856 | 7.0 | 1,627 | No |
| 3-or-more-person Carpool | 6,035 | 3.1 | 312 | 5,028 | 2.1 | 1,240 | 6,113 | 2.5 | 1,122 | No |
| Transit | 5,130 | 2.7 | 288 | 6,188 | 2.6 | 684 | 6,384 | 2.7 | 783 | Yes |
| Bike | 400 | 0.2 | 81 | 941 | 0.4 | 330 | 600 | 0.2 | 244 | No |
| Walked | 3,135 | 1.6 | 226 | 3,771 | 1.6 | 656 | 3,445 | 1.4 | 709 | No |
| Taxi, Motorcycle and Other means | 1,685 | 0.9 | 166 | 3,743 | 1.5 | 800 | 3,041 | 1.3 | 706 | Yes |
| Worked at Home | 6,535 | 3.4 | 324 | 11,076 | 4.6 | 1,102 | 11,381 | 4.7 | 1,015 | 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 | 175,350 | 100.0 | 1,275 | 210,029 | 100.0 | 4,186 | 205,828 | 100.0 | 4,187 | Yes |
| Drove alone | 141,055 | 80.4 | 1,226 | 171,091 | 81.5 | 3,618 | 165,618 | 80.5 | 3,913 | Yes |
| 2-person Carpool | 14,605 | 8.3 | 480 | 14,452 | 6.9 | 1,326 | 15,069 | 7.3 | 1,471 | No |
| 3-or-more-person Carpool | 5,130 | 2.9 | 288 | 4,234 | 2.0 | 932 | 5,104 | 2.5 | 926 | No |
| Transit | 2,820 | 1.6 | 214 | 2,003 | 1.0 | 471 | 1,958 | 1.0 | 475 | Yes |
| Bike | 400 | 0.2 | 81 | 866 | 0.4 | 317 | 526 | 0.3 | 216 | No |
| Walked | 3,350 | 1.9 | 233 | 3,706 | 1.8 | 657 | 3,428 | 1.7 | 733 | No |
| Taxi, Motorcycle and Other means | 1,455 | 0.8 | 154 | 2,601 | 1.2 | 622 | 2,744 | 1.3 | 677 | Yes |
| Worked at Home | 6,535 | 3.7 | 324 | 11,076 | 5.3 | 1,102 | 11,381 | 5.5 | 1,015 | 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) | 27.3 | 0.2 | 28.9 | 0.8 | 29.2 | 0.7 | Yes |
| Drove alone | 26.2 | 0.2 | 27.9 | 0.8 | 27.9 | 0.7 | Yes |
| Carpooled | 26.9 | 0.6 | 27.5 | 3.6 | 27.1 | 3.5 | No |
| Transit | 68.7 | 2.4 | 74.6 | 12.2 | 77.6 | 13.9 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 20.5 | 1.6 | 20.5 | 4.7 | 27.8 | 11.0 | 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
