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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 | 1,016,315 | -- | 992,810 | -- | 998,954 | 999,595 | -- | -- |
| Persons in Households 2 | 996,976 | 557 | 967,209 | -- | 979,500 | 980,547 | -- | -- |
| Total Households 3 | 404,607 | 547 | 402,327 | 2,376 | 404,765 | 402,680 | 2,028 | No |
| Average Number of Persons per Household 4 | 2.46 | 0.01 | 2.40 | 0.01 | 2.42 | 2.44 | 0.01 | Yes |
| Average Household Income 5 | $68,435 | $388 | $80,802 | $1,363 | -- | $82,849 | $1,179 | Yes |
| Average Number of Vehicles per Household 6 | 1.73 | 0.01 | 1.76 | 0.02 | -- | 1.74 | 0.02 | No |
| Percent of Persons in Poverty 7 | 6.90 | 0.10 | 9.10 | 0.42 | -- | 11.50 | 0.51 | Yes |
| Percent Minority 8 | 23.10 | 0.20 | 27.00 | 0.13 | 29.70 | 29.80 | 0.15 | Yes |
| Percent of Persons 65 and Over 9 | 14.10 | 0.10 | 14.50 | 0.26 | 15.00 | 15.30 | 0.25 | Yes |
| Percent of Persons Foreign Born 10 | 4.20 | 0.10 | 6.00 | 0.27 | -- | 7.00 | 0.29 | Yes |
| Total Workers at Place of Residence11 | 505,972 | 2,040 | 497,364 | 4,008 | -- | 483,473 | 3,560 | 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 | 498,320 | 100.0 | 2,039 | 479,922 | 100.0 | 4,009 | 473,268 | 100.0 | 3,363 | Yes |
| Drove alone | 423,030 | 84.9 | 2,011 | 398,796 | 83.1 | 3,936 | 397,729 | 84.0 | 4,077 | Yes |
| 2-person Carpool | 35,435 | 7.1 | 748 | 28,447 | 5.9 | 1,611 | 25,231 | 5.3 | 1,493 | Yes |
| 3-or-more-person Carpool | 6,190 | 1.2 | 317 | 6,859 | 1.4 | 910 | 5,617 | 1.2 | 831 | No |
| Transit | 8,165 | 1.6 | 364 | 11,073 | 2.3 | 982 | 11,468 | 2.4 | 1,122 | Yes |
| Bike | 480 | 0.1 | 89 | 973 | 0.2 | 292 | 1,037 | 0.2 | 309 | Yes |
| Walked | 6,230 | 1.3 | 318 | 6,933 | 1.4 | 856 | 7,582 | 1.6 | 782 | Yes |
| Taxi, Motorcycle and Other means | 2,720 | 0.5 | 211 | 5,297 | 1.1 | 710 | 3,751 | 0.8 | 578 | Yes |
| Worked at Home | 16,060 | 3.2 | 509 | 21,544 | 4.5 | 1,343 | 20,853 | 4.4 | 1,315 | 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 | 580,135 | 100.0 | 2,019 | 587,353 | 100.0 | 6,672 | 559,936 | 100.0 | 5,074 | Yes |
| Drove alone | 491,165 | 84.7 | 2,038 | 491,110 | 83.6 | 6,216 | 475,779 | 85.0 | 4,997 | Yes |
| 2-person Carpool | 44,295 | 7.6 | 833 | 39,607 | 6.7 | 2,280 | 33,965 | 6.1 | 1,973 | Yes |
| 3-or-more-person Carpool | 9,690 | 1.7 | 396 | 10,443 | 1.8 | 1,040 | 6,685 | 1.2 | 808 | Yes |
| Transit | 8,529 | 1.5 | 372 | 12,110 | 2.1 | 1,333 | 10,252 | 1.8 | 1,183 | Yes |
| Bike | 445 | 0.1 | 85 | 975 | 0.2 | 263 | 840 | 0.2 | 235 | Yes |
| Walked | 6,280 | 1.1 | 320 | 6,443 | 1.1 | 835 | 7,328 | 1.3 | 758 | Yes |
| Taxi, Motorcycle and Other means | 3,680 | 0.6 | 245 | 5,121 | 0.9 | 736 | 4,234 | 0.8 | 632 | No |
| Worked at Home | 16,060 | 2.8 | 509 | 21,544 | 3.7 | 1,343 | 20,853 | 3.7 | 1,315 | 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) | 24.0 | 0.1 | 23.3 | 0.4 | 23.4 | 0.4 | Yes |
| Drove alone | 23.4 | 0.1 | 22.5 | 0.4 | 22.4 | 0.4 | Yes |
| Carpooled | 25.3 | 0.4 | 24.7 | 2.1 | 25.7 | 2.4 | No |
| Transit | 44.7 | 1.5 | 47.0 | 6.7 | 52.4 | 8.5 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 25.2 | 1.4 | 22.6 | 3.4 | 20.9 | 3.4 | 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
