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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 | 1,954,848 | -- | 2,236,427 | 912 | 2,099,451 | 2,130,116 | 1,172 | -- |
| Persons in Households 2 | 1,921,593 | 732 | 2,200,958 | -- | 2,062,380 | 2,099,617 | -- | -- |
| Total Households 3 | 718,897 | 977 | 823,438 | 4,624 | 782,643 | 770,098 | 4,703 | Yes |
| Average Number of Persons per Household 4 | 2.67 | 0.01 | 2.67 | 0.01 | 2.64 | 2.73 | 0.02 | Yes |
| Average Household Income 5 | $53,940 | $262 | $68,808 | $1,153 | -- | $69,421 | $1,059 | Yes |
| Average Number of Vehicles per Household 6 | 1.47 | 0.01 | 1.54 | 0.01 | -- | 1.53 | 0.01 | Yes |
| Percent of Persons in Poverty 7 | 19.20 | 0.10 | 20.20 | 0.54 | -- | 23.50 | 0.62 | Yes |
| Percent Minority 8 | 50.70 | 0.10 | 43.30 | 0.54 | 49.50 | 42.50 | 0.47 | Yes |
| Percent of Persons 65 and Over 9 | 8.40 | 0.10 | 8.90 | 0.16 | 9.00 | 9.20 | 0.17 | Yes |
| Percent of Persons Foreign Born 10 | 26.40 | 0.10 | 28.10 | 0.36 | -- | 28.10 | 0.41 | Yes |
| Total Workers at Place of Residence11 | 860,719 | 2,808 | 1,105,943 | 8,460 | -- | 1,000,877 | 6,283 | 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 | 841,685 | 100.0 | 2,801 | 1,060,189 | 100.0 | 8,478 | 983,712 | 100.0 | 6,261 | Yes |
| Drove alone | 604,685 | 71.8 | 2,615 | 790,523 | 74.6 | 8,518 | 746,019 | 75.8 | 7,361 | Yes |
| 2-person Carpool | 94,210 | 11.2 | 1,212 | 100,117 | 9.4 | 4,329 | 86,291 | 8.8 | 4,189 | Yes |
| 3-or-more-person Carpool | 39,775 | 4.7 | 799 | 43,271 | 4.1 | 2,634 | 33,484 | 3.4 | 2,657 | Yes |
| Transit | 48,255 | 5.7 | 878 | 48,037 | 4.5 | 2,446 | 43,642 | 4.4 | 2,781 | Yes |
| Bike | 3,860 | 0.5 | 251 | 3,991 | 0.4 | 650 | 4,173 | 0.4 | 897 | No |
| Walked | 19,415 | 2.3 | 561 | 23,065 | 2.2 | 1,991 | 20,776 | 2.1 | 1,656 | No |
| Taxi, Motorcycle and Other means | 11,785 | 1.4 | 438 | 17,099 | 1.6 | 1,815 | 18,917 | 1.9 | 1,611 | Yes |
| Worked at Home | 19,705 | 2.3 | 565 | 34,086 | 3.2 | 2,235 | 30,410 | 3.1 | 1,950 | 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 | 1,245,985 | 100.0 | 2,720 | 1,598,804 | 100.0 | 10,845 | 1,638,995 | 100.0 | 11,586 | Yes |
| Drove alone | 946,450 | 76.0 | 2,827 | 1,244,186 | 77.8 | 11,215 | 1,305,312 | 79.6 | 10,857 | Yes |
| 2-person Carpool | 133,400 | 10.7 | 1,427 | 143,613 | 9.0 | 4,365 | 136,526 | 8.3 | 4,892 | No |
| 3-or-more-person Carpool | 45,980 | 3.7 | 857 | 55,680 | 3.5 | 3,260 | 47,915 | 2.9 | 2,937 | No |
| Transit | 61,785 | 5.0 | 990 | 64,603 | 4.0 | 2,727 | 62,354 | 3.8 | 3,325 | No |
| Bike | 3,770 | 0.3 | 248 | 4,357 | 0.3 | 779 | 4,772 | 0.3 | 919 | Yes |
| Walked | 19,455 | 1.6 | 562 | 24,377 | 1.5 | 2,225 | 21,925 | 1.3 | 1,666 | Yes |
| Taxi, Motorcycle and Other means | 15,445 | 1.2 | 501 | 27,902 | 1.7 | 1,986 | 29,781 | 1.8 | 2,048 | Yes |
| Worked at Home | 19,705 | 1.6 | 565 | 34,086 | 2.1 | 2,235 | 30,410 | 1.9 | 1,950 | 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 | 0.1 | 26.1 | 0.4 | 25.7 | 0.3 | Yes |
| Drove alone | 25.3 | 0.1 | 24.7 | 0.4 | 24.3 | 0.4 | Yes |
| Carpooled | 29.9 | 0.3 | 29.3 | 1.7 | 28.7 | 2.0 | No |
| Transit | 50.4 | 0.7 | 46.6 | 3.5 | 46.3 | 4.3 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 21.9 | 0.6 | 19.3 | 2.2 | 20.7 | 2.3 | 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
