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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 | 421,048 | -- | 473,131 | -- | 488,406 | 495,297 | -- | -- |
| Persons in Households 2 | 407,021 | 471 | 456,112 | -- | 472,914 | 480,360 | -- | -- |
| Total Households 3 | 168,710 | 423 | 188,429 | 2,218 | 196,628 | 196,171 | 1,647 | Yes |
| Average Number of Persons per Household 4 | 2.41 | 0.01 | 2.42 | 0.02 | 2.41 | 2.45 | 0.02 | Yes |
| Average Household Income 5 | $57,490 | $531 | $64,222 | $1,574 | -- | $61,992 | $1,407 | Yes |
| Average Number of Vehicles per Household 6 | 1.75 | 0.01 | 1.75 | 0.04 | -- | 1.72 | 0.03 | No |
| Percent of Persons in Poverty 7 | 10.60 | 0.20 | 15.50 | 1.00 | -- | 18.00 | 0.96 | Yes |
| Percent Minority 8 | 35.40 | 0.30 | 40.00 | 0.28 | 43.00 | 42.40 | 0.42 | Yes |
| Percent of Persons 65 and Over 9 | 11.70 | 0.20 | 12.20 | 0.33 | 12.30 | 12.60 | 0.32 | Yes |
| Percent of Persons Foreign Born 10 | 6.50 | 0.20 | 8.50 | 0.43 | -- | 9.80 | 0.46 | Yes |
| Total Workers at Place of Residence11 | 217,281 | 1,312 | 234,199 | 3,112 | -- | 228,149 | 2,559 | 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 | 213,080 | 100.0 | 1,313 | 224,874 | 100.0 | 2,850 | 223,788 | 100.0 | 2,631 | Yes |
| Drove alone | 173,065 | 81.2 | 1,292 | 185,963 | 82.7 | 3,246 | 183,926 | 82.2 | 2,573 | Yes |
| 2-person Carpool | 19,500 | 9.2 | 552 | 14,623 | 6.5 | 1,219 | 15,382 | 6.9 | 1,422 | Yes |
| 3-or-more-person Carpool | 6,110 | 2.9 | 314 | 4,640 | 2.1 | 699 | 5,262 | 2.4 | 881 | No |
| Transit | 2,404 | 1.1 | 198 | 3,861 | 1.7 | 971 | 3,584 | 1.6 | 647 | Yes |
| Bike | 365 | 0.2 | 77 | 528 | 0.2 | 239 | 428 | 0.2 | 138 | No |
| Walked | 3,690 | 1.7 | 245 | 3,650 | 1.6 | 656 | 4,320 | 1.9 | 818 | No |
| Taxi, Motorcycle and Other means | 2,050 | 1.0 | 183 | 2,809 | 1.2 | 651 | 1,770 | 0.8 | 432 | No |
| Worked at Home | 5,885 | 2.8 | 308 | 8,800 | 3.9 | 928 | 9,116 | 4.1 | 930 | 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 | 268,945 | 100.0 | 1,261 | 281,773 | 100.0 | 4,656 | 273,886 | 100.0 | 3,590 | Yes |
| Drove alone | 221,035 | 82.2 | 1,311 | 234,116 | 83.1 | 4,675 | 230,487 | 84.2 | 3,461 | Yes |
| 2-person Carpool | 25,545 | 9.5 | 627 | 21,795 | 7.7 | 1,531 | 19,155 | 7.0 | 1,573 | Yes |
| 3-or-more-person Carpool | 7,690 | 2.9 | 352 | 6,229 | 2.2 | 1,044 | 5,123 | 1.9 | 777 | Yes |
| Transit | 2,319 | 0.9 | 194 | 3,986 | 1.4 | 961 | 3,347 | 1.2 | 610 | Yes |
| Bike | 395 | 0.1 | 80 | 553 | 0.2 | 241 | 447 | 0.2 | 149 | No |
| Walked | 3,745 | 1.4 | 247 | 3,717 | 1.3 | 663 | 4,420 | 1.6 | 842 | No |
| Taxi, Motorcycle and Other means | 2,330 | 0.9 | 195 | 2,577 | 0.9 | 655 | 1,791 | 0.7 | 395 | Yes |
| Worked at Home | 5,885 | 2.2 | 308 | 8,800 | 3.1 | 928 | 9,116 | 3.3 | 930 | 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) | 21.4 | 0.2 | 20.8 | 0.6 | 20.9 | 0.5 | No |
| Drove alone | 20.9 | 0.2 | 20.2 | 0.7 | 20.2 | 0.5 | Yes |
| Carpooled | 23.4 | 0.6 | 23.3 | 3.4 | 23.6 | 3.0 | No |
| Transit | 41.2 | 2.8 | 37.8 | 13.5 | 41.5 | 10.4 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 19.7 | 1.5 | 18.8 | 4.3 | 20.7 | 5.7 | 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
