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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 | 860,454 | -- | 884,059 | -- | 903,393 | 911,593 | -- | -- |
| Persons in Households 2 | 841,794 | 547 | 863,120 | -- | 886,718 | 895,100 | -- | -- |
| Total Households 3 | 352,261 | 721 | 356,993 | 3,019 | 366,176 | 358,923 | 2,299 | Yes |
| Average Number of Persons per Household 4 | 2.39 | 0.01 | 2.42 | 0.02 | 2.42 | 2.49 | 0.02 | Yes |
| Average Household Income 5 | $52,505 | $325 | $59,190 | $1,005 | -- | $56,478 | $899 | Yes |
| Average Number of Vehicles per Household 6 | 1.59 | 0.01 | 1.64 | 0.02 | -- | 1.58 | 0.02 | No |
| Percent of Persons in Poverty 7 | 11.40 | 0.10 | 17.20 | 0.68 | -- | 21.10 | 0.81 | Yes |
| Percent Minority 8 | 29.60 | 0.20 | 32.80 | 0.30 | 37.30 | 36.30 | 0.33 | Yes |
| Percent of Persons 65 and Over 9 | 11.10 | 0.10 | 10.80 | 0.26 | 10.60 | 10.70 | 0.22 | Yes |
| Percent of Persons Foreign Born 10 | 4.60 | 0.10 | 7.00 | 0.28 | -- | 8.30 | 0.31 | Yes |
| Total Workers at Place of Residence11 | 432,998 | 1,877 | 431,939 | 3,837 | -- | 420,851 | 3,434 | 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 | 424,600 | 100.0 | 1,876 | 415,911 | 100.0 | 3,795 | 411,942 | 100.0 | 3,340 | Yes |
| Drove alone | 341,185 | 80.4 | 1,836 | 341,714 | 82.2 | 3,902 | 338,135 | 82.1 | 3,829 | No |
| 2-person Carpool | 41,065 | 9.7 | 800 | 33,678 | 8.1 | 1,779 | 32,119 | 7.8 | 2,048 | Yes |
| 3-or-more-person Carpool | 10,610 | 2.5 | 414 | 8,270 | 2.0 | 1,069 | 7,928 | 1.9 | 1,298 | Yes |
| Transit | 9,280 | 2.2 | 388 | 7,492 | 1.8 | 901 | 8,170 | 2.0 | 802 | Yes |
| Bike | 870 | 0.2 | 119 | 1,340 | 0.3 | 356 | 1,791 | 0.4 | 377 | Yes |
| Walked | 8,265 | 1.9 | 366 | 8,564 | 2.1 | 974 | 8,439 | 2.0 | 905 | No |
| Taxi, Motorcycle and Other means | 2,700 | 0.6 | 210 | 3,192 | 0.8 | 544 | 3,220 | 0.8 | 651 | No |
| Worked at Home | 10,625 | 2.5 | 414 | 11,661 | 2.8 | 1,068 | 12,140 | 2.9 | 966 | 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 | 545,330 | 100.0 | 1,808 | 558,598 | 100.0 | 5,775 | 541,316 | 100.0 | 5,564 | No |
| Drove alone | 451,665 | 82.8 | 1,874 | 470,322 | 84.2 | 5,788 | 456,922 | 84.4 | 5,017 | No |
| 2-person Carpool | 50,090 | 9.2 | 879 | 44,759 | 8.0 | 1,967 | 39,573 | 7.3 | 2,367 | Yes |
| 3-or-more-person Carpool | 11,290 | 2.1 | 427 | 9,462 | 1.7 | 1,053 | 8,972 | 1.7 | 1,244 | Yes |
| Transit | 9,015 | 1.7 | 382 | 7,765 | 1.4 | 933 | 8,417 | 1.6 | 825 | No |
| Bike | 860 | 0.2 | 119 | 1,367 | 0.2 | 352 | 1,936 | 0.4 | 363 | Yes |
| Walked | 8,250 | 1.5 | 366 | 8,729 | 1.6 | 1,015 | 8,609 | 1.6 | 890 | No |
| Taxi, Motorcycle and Other means | 3,535 | 0.6 | 240 | 4,533 | 0.8 | 624 | 4,747 | 0.9 | 778 | Yes |
| Worked at Home | 10,625 | 1.9 | 414 | 11,661 | 2.1 | 1,068 | 12,140 | 2.2 | 966 | 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) | 23.0 | 0.1 | 22.4 | 0.4 | 22.7 | 0.3 | No |
| Drove alone | 22.4 | 0.1 | 22.1 | 0.4 | 22.2 | 0.4 | No |
| Carpooled | 24.7 | 0.4 | 23.7 | 2.0 | 23.4 | 2.2 | No |
| Transit | 42.4 | 1.4 | 41.4 | 7.5 | 44.9 | 7.1 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 17.6 | 0.9 | 15.6 | 2.8 | 17.8 | 2.7 | 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
