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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 | 527,056 | -- | 532,871 | -- | 534,543 | 539,836 | -- | -- |
| Persons in Households 2 | 519,291 | 386 | 525,905 | -- | 527,116 | 531,653 | -- | -- |
| Total Households 3 | 206,256 | 343 | 216,662 | 1,371 | 218,160 | 218,728 | 1,109 | Yes |
| Average Number of Persons per Household 4 | 2.52 | 0.01 | 2.43 | 0.01 | 2.42 | 2.43 | 0.01 | Yes |
| Average Household Income 5 | $70,940 | $543 | $83,600 | $1,344 | -- | $84,530 | $1,523 | Yes |
| Average Number of Vehicles per Household 6 | 1.97 | 0.01 | 1.99 | 0.02 | -- | 1.95 | 0.02 | No |
| Percent of Persons in Poverty 7 | 5.20 | 0.10 | 8.40 | 0.74 | -- | 9.10 | 0.64 | Yes |
| Percent Minority 8 | 9.40 | 0.20 | 11.60 | 0.51 | 11.60 | 8.80 | 0.31 | Yes |
| Percent of Persons 65 and Over 9 | 9.60 | 0.20 | 11.90 | 0.29 | 12.60 | 13.10 | 0.29 | Yes |
| Percent of Persons Foreign Born 10 | 5.40 | 0.10 | 6.40 | 0.43 | -- | 6.20 | 0.36 | Yes |
| Total Workers at Place of Residence11 | 291,127 | 1,593 | 290,306 | 2,865 | -- | 279,848 | 2,414 | 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 | 286,305 | 100.0 | 1,596 | 282,303 | 100.0 | 2,546 | 275,114 | 100.0 | 2,374 | Yes |
| Drove alone | 227,845 | 79.6 | 1,587 | 217,733 | 77.1 | 3,068 | 215,469 | 78.3 | 2,770 | Yes |
| 2-person Carpool | 23,745 | 8.3 | 665 | 21,530 | 7.6 | 1,641 | 18,254 | 6.6 | 1,386 | Yes |
| 3-or-more-person Carpool | 4,630 | 1.6 | 299 | 4,678 | 1.7 | 795 | 4,506 | 1.6 | 669 | No |
| Transit | 9,355 | 3.3 | 423 | 10,043 | 3.6 | 1,077 | 8,477 | 3.1 | 909 | No |
| Bike | 700 | 0.2 | 117 | 1,800 | 0.6 | 424 | 1,873 | 0.7 | 473 | Yes |
| Walked | 3,640 | 1.3 | 265 | 4,908 | 1.7 | 780 | 3,917 | 1.4 | 566 | No |
| Taxi, Motorcycle and Other means | 1,885 | 0.7 | 191 | 3,540 | 1.3 | 575 | 3,803 | 1.4 | 604 | Yes |
| Worked at Home | 14,495 | 5.1 | 524 | 18,071 | 6.4 | 1,305 | 18,815 | 6.8 | 1,278 | 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 | 215,445 | 100.0 | 1,575 | 230,949 | 100.0 | 3,912 | 225,453 | 100.0 | 4,234 | Yes |
| Drove alone | 167,860 | 77.9 | 1,493 | 175,023 | 75.8 | 3,421 | 173,743 | 77.1 | 3,654 | Yes |
| 2-person Carpool | 19,225 | 8.9 | 601 | 18,947 | 8.2 | 1,780 | 15,630 | 6.9 | 1,398 | Yes |
| 3-or-more-person Carpool | 4,410 | 2.0 | 292 | 4,406 | 1.9 | 872 | 4,750 | 2.1 | 774 | No |
| Transit | 3,739 | 1.7 | 269 | 5,146 | 2.2 | 1,082 | 4,457 | 2.0 | 744 | No |
| Bike | 715 | 0.3 | 118 | 1,710 | 0.7 | 421 | 1,615 | 0.7 | 488 | Yes |
| Walked | 3,735 | 1.7 | 269 | 4,978 | 2.2 | 761 | 3,870 | 1.7 | 562 | No |
| Taxi, Motorcycle and Other means | 1,265 | 0.6 | 157 | 2,668 | 1.2 | 582 | 2,573 | 1.1 | 567 | Yes |
| Worked at Home | 14,495 | 6.7 | 524 | 18,071 | 7.8 | 1,305 | 18,815 | 8.3 | 1,278 | 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) | 27.4 | 0.2 | 26.1 | 0.6 | 26.3 | 0.5 | Yes |
| Drove alone | 26.1 | 0.2 | 25.0 | 0.6 | 25.1 | 0.6 | Yes |
| Carpooled | 29.1 | 0.6 | 28.0 | 3.2 | 28.3 | 2.9 | No |
| Transit | 48.3 | 1.3 | 45.1 | 7.0 | 45.4 | 7.0 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 34.8 | 2.3 | 26.7 | 4.7 | 31.0 | 6.5 | 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
