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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 | 236,517 | -- | 274,829 | -- | 259,424 | 262,721 | -- | -- |
| Persons in Households 2 | 233,247 | 292 | 269,169 | -- | 255,387 | 258,916 | -- | -- |
| Total Households 3 | 82,272 | 325 | 87,541 | 1,399 | 90,633 | 85,801 | 1,408 | Yes |
| Average Number of Persons per Household 4 | 2.84 | 0.03 | 3.07 | 0.04 | 2.82 | 3.02 | 0.05 | Yes |
| Average Household Income 5 | $51,210 | $706 | $53,528 | $1,953 | -- | $47,910 | $1,379 | Yes |
| Average Number of Vehicles per Household 6 | 1.76 | 0.02 | 1.71 | 0.05 | -- | 1.61 | 0.05 | Yes |
| Percent of Persons in Poverty 7 | 10.10 | 0.30 | 14.30 | 1.21 | -- | 25.60 | 1.79 | Yes |
| Percent Minority 8 | 62.00 | 0.50 | 74.40 | 0.82 | 81.10 | 78.70 | 0.95 | Yes |
| Percent of Persons 65 and Over 9 | 5.90 | 0.20 | 7.40 | 0.42 | 6.60 | 7.10 | 0.40 | Yes |
| Percent of Persons Foreign Born 10 | 10.90 | 0.30 | 13.20 | 0.70 | -- | 15.50 | 0.88 | Yes |
| Total Workers at Place of Residence11 | 115,718 | 1,252 | 127,706 | 2,307 | -- | 110,152 | 2,409 | 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 | 112,580 | 100.0 | 1,251 | 119,616 | 100.0 | 2,502 | 107,094 | 100.0 | 2,419 | Yes |
| Drove alone | 85,945 | 76.3 | 1,205 | 90,394 | 75.6 | 2,626 | 83,436 | 77.9 | 2,893 | No |
| 2-person Carpool | 14,420 | 12.8 | 599 | 13,332 | 11.1 | 1,538 | 11,135 | 10.4 | 1,185 | Yes |
| 3-or-more-person Carpool | 6,110 | 5.4 | 397 | 5,759 | 4.8 | 1,239 | 4,144 | 3.9 | 976 | Yes |
| Transit | 1,480 | 1.3 | 197 | 4,090 | 3.4 | 698 | 2,999 | 2.8 | 793 | Yes |
| Bike | 120 | 0.1 | 56 | 125 | 0.1 | 107 | 397 | 0.4 | 406 | No |
| Walked | 1,585 | 1.4 | 204 | 1,172 | 1.0 | 354 | 1,610 | 1.5 | 578 | No |
| Taxi, Motorcycle and Other means | 1,210 | 1.1 | 179 | 1,627 | 1.4 | 421 | 1,846 | 1.7 | 663 | No |
| Worked at Home | 1,715 | 1.5 | 212 | 3,117 | 2.6 | 653 | 1,527 | 1.4 | 390 | 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 | 97,275 | 100.0 | 1,232 | 102,300 | 100.0 | 3,463 | 96,103 | 100.0 | 3,307 | No |
| Drove alone | 77,115 | 79.3 | 1,174 | 81,716 | 79.9 | 3,081 | 77,063 | 80.2 | 3,136 | No |
| 2-person Carpool | 10,965 | 11.3 | 527 | 9,300 | 9.1 | 1,045 | 8,517 | 8.9 | 922 | Yes |
| 3-or-more-person Carpool | 3,730 | 3.8 | 312 | 2,553 | 2.5 | 564 | 2,943 | 3.1 | 823 | No |
| Transit | 679 | 0.7 | 134 | 2,424 | 2.4 | 606 | 1,608 | 1.7 | 376 | Yes |
| Bike | 100 | 0.1 | 51 | 85 | 0.1 | 69 | 428 | 0.4 | 411 | No |
| Walked | 1,635 | 1.7 | 208 | 887 | 0.9 | 324 | 1,647 | 1.7 | 546 | No |
| Taxi, Motorcycle and Other means | 1,330 | 1.4 | 187 | 2,218 | 2.2 | 405 | 2,370 | 2.5 | 630 | Yes |
| Worked at Home | 1,715 | 1.8 | 212 | 3,117 | 3.0 | 653 | 1,527 | 1.6 | 390 | 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) | 29.8 | 0.4 | 30.4 | 1.1 | 29.9 | 1.2 | No |
| Drove alone | 29.1 | 0.4 | 28.4 | 1.3 | 29.3 | 1.7 | No |
| Carpooled | 31.1 | 0.9 | 33.5 | 5.4 | 29.4 | 4.9 | No |
| Transit | 60.1 | 4.8 | 57.5 | 15.9 | 54.6 | 21.2 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 25.2 | 2.7 | 33.0 | 11.7 | 28.0 | 10.3 | 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
