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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 | 897,472 | -- | 919,778 | -- | 927,644 | 934,654 | -- | -- |
| Persons in Households 2 | 878,483 | 652 | 899,030 | -- | 909,315 | 917,150 | -- | -- |
| Total Households 3 | 338,560 | 721 | 341,998 | 2,335 | 350,971 | 342,124 | 2,216 | Yes |
| Average Number of Persons per Household 4 | 2.59 | 0.01 | 2.63 | 0.02 | 2.59 | 2.68 | 0.02 | Yes |
| Average Household Income 5 | $54,520 | $445 | $64,914 | $1,279 | -- | $65,122 | $1,006 | Yes |
| Average Number of Vehicles per Household 6 | 1.57 | 0.01 | 1.62 | 0.02 | -- | 1.63 | 0.02 | Yes |
| Percent of Persons in Poverty 7 | 16.00 | 0.20 | 20.20 | 0.74 | -- | 21.00 | 0.74 | Yes |
| Percent Minority 8 | 52.70 | 0.30 | 56.70 | 0.24 | 59.40 | 59.20 | 0.25 | Yes |
| Percent of Persons 65 and Over 9 | 10.00 | 0.20 | 10.00 | 0.22 | 10.30 | 10.50 | 0.22 | Yes |
| Percent of Persons Foreign Born 10 | 3.80 | 0.10 | 5.60 | 0.25 | -- | 6.20 | 0.28 | Yes |
| Total Workers at Place of Residence11 | 410,212 | 2,257 | 429,458 | 4,141 | -- | 414,663 | 3,610 | 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 | 402,560 | 100.0 | 2,253 | 407,464 | 100.0 | 3,396 | 406,481 | 100.0 | 3,692 | No |
| Drove alone | 323,045 | 80.2 | 2,174 | 334,705 | 82.1 | 4,020 | 334,647 | 82.3 | 4,195 | Yes |
| 2-person Carpool | 39,500 | 9.8 | 929 | 32,661 | 8.0 | 2,157 | 34,341 | 8.4 | 2,171 | Yes |
| 3-or-more-person Carpool | 13,180 | 3.3 | 545 | 9,944 | 2.4 | 1,158 | 9,563 | 2.4 | 1,203 | Yes |
| Transit | 8,144 | 2.0 | 430 | 7,544 | 1.9 | 946 | 6,722 | 1.7 | 859 | Yes |
| Bike | 365 | 0.1 | 91 | 652 | 0.2 | 311 | 666 | 0.2 | 217 | Yes |
| Walked | 5,885 | 1.5 | 366 | 7,328 | 1.8 | 1,393 | 5,783 | 1.4 | 656 | No |
| Taxi, Motorcycle and Other means | 3,530 | 0.9 | 284 | 3,756 | 0.9 | 636 | 3,559 | 0.9 | 607 | No |
| Worked at Home | 8,910 | 2.2 | 449 | 10,874 | 2.7 | 1,036 | 11,200 | 2.8 | 1,140 | 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 | 463,960 | 100.0 | 2,264 | 482,974 | 100.0 | 4,096 | 479,611 | 100.0 | 4,568 | Yes |
| Drove alone | 376,025 | 81.0 | 2,235 | 402,093 | 83.3 | 4,205 | 399,847 | 83.4 | 4,915 | Yes |
| 2-person Carpool | 45,200 | 9.7 | 991 | 37,706 | 7.8 | 2,167 | 40,124 | 8.4 | 2,444 | Yes |
| 3-or-more-person Carpool | 14,465 | 3.1 | 570 | 10,350 | 2.1 | 995 | 9,822 | 2.0 | 1,172 | Yes |
| Transit | 8,060 | 1.7 | 427 | 7,655 | 1.6 | 933 | 6,883 | 1.4 | 822 | Yes |
| Bike | 355 | 0.1 | 90 | 652 | 0.1 | 311 | 681 | 0.1 | 216 | Yes |
| Walked | 5,870 | 1.3 | 365 | 7,216 | 1.5 | 1,348 | 5,507 | 1.1 | 663 | No |
| Taxi, Motorcycle and Other means | 5,075 | 1.1 | 340 | 6,428 | 1.3 | 765 | 5,547 | 1.2 | 695 | No |
| Worked at Home | 8,910 | 1.9 | 449 | 10,874 | 2.3 | 1,036 | 11,200 | 2.3 | 1,140 | 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) | 23.7 | 0.1 | 22.1 | 0.4 | 22.2 | 0.4 | Yes |
| Drove alone | 22.9 | 0.1 | 21.5 | 0.4 | 21.7 | 0.4 | Yes |
| Carpooled | 24.9 | 0.4 | 24.1 | 2.3 | 22.8 | 2.1 | No |
| Transit | 45.6 | 1.9 | 45.9 | 9.6 | 46.1 | 9.6 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 25.9 | 1.6 | 17.6 | 3.6 | 18.7 | 3.6 | Yes |
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
