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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 | 1,320,994 | -- | 1,567,371 | 146 | 1,445,632 | 1,467,400 | 197 | -- |
| Persons in Households 2 | 1,298,678 | 763 | 1,547,617 | -- | 1,423,894 | 1,449,463 | -- | -- |
| Total Households 3 | 466,114 | 860 | 509,833 | 4,014 | 514,806 | 516,383 | 4,277 | Yes |
| Average Number of Persons per Household 4 | 2.79 | 0.01 | 3.04 | 0.02 | 2.77 | 2.81 | 0.02 | No |
| Average Household Income 5 | $55,410 | $392 | $66,237 | $987 | -- | $62,918 | $1,010 | Yes |
| Average Number of Vehicles per Household 6 | 1.61 | 0.01 | 1.66 | 0.02 | -- | 1.60 | 0.02 | No |
| Percent of Persons in Poverty 7 | 15.80 | 0.20 | 19.40 | 0.67 | -- | 23.10 | 0.73 | Yes |
| Percent Minority 8 | 28.90 | 0.20 | 21.40 | 0.58 | 34.10 | 22.30 | 0.62 | Yes |
| Percent of Persons 65 and Over 9 | 8.10 | 0.10 | 7.70 | 0.19 | 8.40 | 8.80 | 0.18 | Yes |
| Percent of Persons Foreign Born 10 | 19.50 | 0.20 | 23.30 | 0.51 | -- | 20.10 | 0.43 | Yes |
| Total Workers at Place of Residence11 | 612,218 | 2,951 | 750,404 | 7,460 | -- | 652,980 | 5,541 | 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 | 599,590 | 100.0 | 2,947 | 715,865 | 100.0 | 6,100 | 641,049 | 100.0 | 5,845 | Yes |
| Drove alone | 429,615 | 71.7 | 2,773 | 524,672 | 73.3 | 6,338 | 480,707 | 75.0 | 5,010 | Yes |
| 2-person Carpool | 78,855 | 13.2 | 1,402 | 75,868 | 10.6 | 3,635 | 61,519 | 9.6 | 2,866 | Yes |
| 3-or-more-person Carpool | 25,485 | 4.3 | 814 | 26,683 | 3.7 | 2,603 | 16,362 | 2.6 | 1,671 | Yes |
| Transit | 18,785 | 3.1 | 701 | 26,606 | 3.7 | 2,381 | 21,964 | 3.4 | 1,699 | Yes |
| Bike | 5,145 | 0.9 | 369 | 5,221 | 0.7 | 959 | 4,431 | 0.7 | 701 | No |
| Walked | 13,000 | 2.2 | 584 | 12,734 | 1.8 | 1,394 | 12,404 | 1.9 | 1,514 | No |
| Taxi, Motorcycle and Other means | 8,765 | 1.5 | 481 | 12,144 | 1.7 | 1,307 | 10,709 | 1.7 | 1,219 | Yes |
| Worked at Home | 19,935 | 3.3 | 722 | 31,937 | 4.5 | 1,984 | 32,953 | 5.1 | 1,932 | 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 | 696,845 | 100.0 | 2,955 | 850,338 | 100.0 | 9,104 | 770,189 | 100.0 | 8,163 | Yes |
| Drove alone | 519,015 | 74.5 | 2,891 | 640,357 | 75.3 | 7,743 | 591,760 | 76.8 | 7,756 | Yes |
| 2-person Carpool | 86,995 | 12.5 | 1,468 | 89,700 | 10.5 | 4,261 | 74,486 | 9.7 | 3,191 | Yes |
| 3-or-more-person Carpool | 23,320 | 3.3 | 779 | 25,917 | 3.0 | 2,476 | 17,340 | 2.3 | 1,586 | Yes |
| Transit | 19,810 | 2.8 | 719 | 30,329 | 3.6 | 2,336 | 24,459 | 3.2 | 1,905 | Yes |
| Bike | 5,235 | 0.8 | 372 | 5,024 | 0.6 | 855 | 5,116 | 0.7 | 837 | No |
| Walked | 12,920 | 1.9 | 582 | 12,809 | 1.5 | 1,406 | 11,452 | 1.5 | 1,408 | No |
| Taxi, Motorcycle and Other means | 9,610 | 1.4 | 503 | 14,265 | 1.7 | 1,262 | 12,623 | 1.6 | 1,493 | Yes |
| Worked at Home | 19,935 | 2.9 | 722 | 31,937 | 3.8 | 1,984 | 32,953 | 4.3 | 1,932 | 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) | 26.1 | 0.1 | 25.0 | 0.4 | 24.4 | 0.4 | Yes |
| Drove alone | 24.9 | 0.2 | 23.5 | 0.4 | 23.3 | 0.4 | Yes |
| Carpooled | 28.1 | 0.4 | 28.2 | 1.9 | 26.1 | 1.7 | Yes |
| Transit | 47.1 | 1.4 | 43.8 | 5.9 | 45.9 | 5.0 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 23.0 | 0.9 | 22.5 | 3.1 | 22.4 | 2.8 | 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
