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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 | 452,869 | -- | 482,752 | -- | 498,365 | 501,408 | -- | -- |
| Persons in Households 2 | 446,598 | 318 | 477,185 | -- | 491,113 | 495,282 | -- | -- |
| Total Households 3 | 176,600 | 469 | 191,428 | 1,341 | 193,502 | 191,191 | 1,521 | Yes |
| Average Number of Persons per Household 4 | 2.53 | 0.01 | 2.49 | 0.02 | 2.54 | 2.59 | 0.02 | Yes |
| Average Household Income 5 | $52,915 | $436 | $63,261 | $1,279 | -- | $63,244 | $1,125 | Yes |
| Average Number of Vehicles per Household 6 | 1.78 | 0.01 | 1.85 | 0.03 | -- | 1.84 | 0.02 | Yes |
| Percent of Persons in Poverty 7 | 9.50 | 0.20 | 13.10 | 0.76 | -- | 15.60 | 0.79 | Yes |
| Percent Minority 8 | 20.70 | 0.20 | 21.40 | 0.40 | 23.70 | 21.10 | 0.46 | No |
| Percent of Persons 65 and Over 9 | 11.40 | 0.20 | 11.50 | 0.29 | 11.40 | 11.70 | 0.30 | No |
| Percent of Persons Foreign Born 10 | 6.60 | 0.10 | 7.00 | 0.31 | -- | 8.50 | 0.34 | Yes |
| Total Workers at Place of Residence11 | 221,824 | 1,361 | 239,741 | 2,677 | -- | 237,755 | 2,301 | 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 | 218,600 | 100.0 | 1,361 | 232,409 | 100.0 | 2,567 | 233,647 | 100.0 | 2,191 | Yes |
| Drove alone | 185,400 | 84.8 | 1,339 | 197,721 | 85.1 | 2,509 | 199,305 | 85.3 | 2,593 | Yes |
| 2-person Carpool | 17,305 | 7.9 | 522 | 17,460 | 7.5 | 1,446 | 16,254 | 7.0 | 1,410 | No |
| 3-or-more-person Carpool | 4,110 | 1.9 | 258 | 4,076 | 1.8 | 622 | 4,291 | 1.8 | 614 | No |
| Transit | 1,313 | 0.6 | 146 | 1,271 | 0.5 | 357 | 1,295 | 0.6 | 360 | No |
| Bike | 350 | 0.2 | 76 | 639 | 0.3 | 218 | 559 | 0.2 | 220 | No |
| Walked | 3,040 | 1.4 | 222 | 2,875 | 1.2 | 564 | 2,668 | 1.1 | 478 | No |
| Taxi, Motorcycle and Other means | 1,560 | 0.7 | 160 | 1,735 | 0.7 | 420 | 2,072 | 0.9 | 442 | Yes |
| Worked at Home | 5,520 | 2.5 | 299 | 6,632 | 2.9 | 810 | 7,203 | 3.1 | 724 | 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 | 240,335 | 100.0 | 1,359 | 255,093 | 100.0 | 3,174 | 249,965 | 100.0 | 2,608 | Yes |
| Drove alone | 204,275 | 85.0 | 1,355 | 218,527 | 85.7 | 2,935 | 215,013 | 86.0 | 3,020 | Yes |
| 2-person Carpool | 19,675 | 8.2 | 555 | 19,003 | 7.4 | 1,545 | 16,890 | 6.8 | 1,351 | Yes |
| 3-or-more-person Carpool | 4,595 | 1.9 | 273 | 4,102 | 1.6 | 569 | 4,229 | 1.7 | 625 | No |
| Transit | 1,323 | 0.6 | 147 | 1,458 | 0.6 | 382 | 1,287 | 0.5 | 357 | No |
| Bike | 350 | 0.1 | 76 | 639 | 0.3 | 218 | 569 | 0.2 | 222 | No |
| Walked | 2,995 | 1.2 | 221 | 2,807 | 1.1 | 552 | 2,566 | 1.0 | 460 | No |
| Taxi, Motorcycle and Other means | 1,600 | 0.7 | 162 | 1,925 | 0.8 | 374 | 2,208 | 0.9 | 432 | Yes |
| Worked at Home | 5,520 | 2.3 | 299 | 6,632 | 2.6 | 810 | 7,203 | 2.9 | 724 | 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) | 18.7 | 0.1 | 18.0 | 0.4 | 18.2 | 0.4 | Yes |
| Drove alone | 18.3 | 0.1 | 17.7 | 0.4 | 17.8 | 0.4 | Yes |
| Carpooled | 20.4 | 0.5 | 20.1 | 2.2 | 21.3 | 2.7 | No |
| Transit | 45.5 | 3.7 | 52.4 | 23.5 | 32.5 | 13.7 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 19.0 | 1.5 | 14.0 | 3.2 | 16.5 | 3.8 | 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
