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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 | 416,629 | -- | 532,629 | 53 | 420,003 | 432,752 | 102 | -- |
| Persons in Households 2 | 387,560 | 847 | 501,424 | -- | 390,519 | 402,866 | -- | -- |
| Total Households 3 | 168,341 | 667 | 206,420 | 4,098 | 185,142 | 177,215 | 2,521 | Yes |
| Average Number of Persons per Household 4 | 2.30 | 0.02 | 2.43 | 0.04 | 2.11 | 2.27 | 0.03 | No |
| Average Household Income 5 | $61,970 | $859 | $90,350 | $3,611 | -- | $78,505 | $2,641 | Yes |
| Average Number of Vehicles per Household 6 | 1.23 | 0.01 | 1.34 | 0.04 | -- | 1.30 | 0.03 | Yes |
| Percent of Persons in Poverty 7 | 24.40 | 0.40 | 20.80 | 1.05 | -- | 26.00 | 0.98 | Yes |
| Percent Minority 8 | 66.60 | 0.40 | 56.20 | 0.73 | 61.60 | 60.70 | 0.71 | Yes |
| Percent of Persons 65 and Over 9 | 9.90 | 0.20 | 8.20 | 0.33 | 9.80 | 9.70 | 0.39 | No |
| Percent of Persons Foreign Born 10 | 6.60 | 0.20 | 7.40 | 0.58 | -- | 8.20 | 0.59 | Yes |
| Total Workers at Place of Residence11 | 183,376 | 1,650 | 271,419 | 5,033 | -- | 201,191 | 3,069 | 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 | 178,970 | 100.0 | 1,645 | 262,560 | 100.0 | 4,925 | 197,748 | 100.0 | 3,053 | Yes |
| Drove alone | 114,560 | 64.0 | 1,484 | 176,382 | 67.2 | 4,856 | 133,253 | 67.4 | 3,086 | Yes |
| 2-person Carpool | 15,745 | 8.8 | 634 | 16,743 | 6.4 | 1,958 | 12,623 | 6.4 | 1,087 | Yes |
| 3-or-more-person Carpool | 6,435 | 3.6 | 410 | 3,111 | 1.2 | 856 | 2,711 | 1.4 | 738 | Yes |
| Transit | 26,420 | 14.8 | 810 | 32,568 | 12.4 | 2,697 | 20,455 | 10.3 | 1,579 | Yes |
| Bike | 560 | 0.3 | 122 | 2,092 | 0.8 | 824 | 1,933 | 1.0 | 497 | Yes |
| Walked | 6,260 | 3.5 | 404 | 11,039 | 4.2 | 1,302 | 9,527 | 4.8 | 1,082 | Yes |
| Taxi, Motorcycle and Other means | 2,245 | 1.3 | 243 | 3,936 | 1.5 | 973 | 2,794 | 1.4 | 589 | No |
| Worked at Home | 6,740 | 3.8 | 419 | 16,689 | 6.4 | 1,674 | 14,452 | 7.3 | 1,296 | 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 | 439,785 | 100.0 | -- | 527,434 | 100.0 | 8,024 | 464,557 | 100.0 | 7,164 | -- |
| Drove alone | 320,225 | 72.8 | 1,402 | 379,502 | 72.0 | 6,525 | 341,563 | 73.5 | 6,374 | Yes |
| 2-person Carpool | 43,020 | 9.8 | 1,011 | 40,371 | 7.7 | 2,681 | 33,101 | 7.1 | 2,747 | Yes |
| 3-or-more-person Carpool | 15,895 | 3.6 | 637 | 15,103 | 2.9 | 2,092 | 11,969 | 2.6 | 1,476 | Yes |
| Transit | 41,650 | 9.5 | 997 | 52,308 | 9.9 | 3,048 | 42,483 | 9.1 | 2,121 | No |
| Bike | 580 | 0.1 | 124 | 2,016 | 0.4 | 839 | 2,037 | 0.4 | 522 | Yes |
| Walked | 6,445 | 1.5 | 410 | 12,053 | 2.3 | 1,341 | 9,560 | 2.1 | 1,035 | Yes |
| Taxi, Motorcycle and Other means | 5,230 | 1.2 | 370 | 9,392 | 1.8 | 1,235 | 9,392 | 2.0 | 1,547 | Yes |
| Worked at Home | 6,740 | 1.5 | 419 | 16,689 | 3.2 | 1,674 | 14,452 | 3.1 | 1,296 | 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) | 28.3 | 0.3 | 25.6 | 1.0 | 25.1 | 0.8 | Yes |
| Drove alone | 22.9 | 0.3 | 21.9 | 1.0 | 22.2 | 0.9 | No |
| Carpooled | 30.0 | 0.9 | 24.4 | 3.8 | 23.8 | 2.9 | Yes |
| Transit | 51.4 | 1.2 | 49.0 | 6.3 | 47.6 | 5.8 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 24.2 | 1.8 | 20.5 | 4.0 | 21.0 | 4.0 | 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
