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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 | 445,342 | -- | 527,638 | -- | 529,710 | 539,525 | -- | -- |
| Persons in Households 2 | 441,246 | 281 | 521,906 | -- | 522,922 | 533,184 | -- | -- |
| Total Households 3 | 169,287 | 421 | 194,241 | 1,448 | 200,934 | 201,111 | 1,435 | Yes |
| Average Number of Persons per Household 4 | 2.61 | 0.01 | 2.69 | 0.02 | 2.60 | 2.65 | 0.02 | Yes |
| Average Household Income 5 | $65,095 | $573 | $78,876 | $1,479 | -- | $80,373 | $1,838 | Yes |
| Average Number of Vehicles per Household 6 | 1.79 | 0.01 | 1.82 | 0.03 | -- | 1.80 | 0.02 | No |
| Percent of Persons in Poverty 7 | 7.40 | 0.20 | 9.60 | 0.71 | -- | 11.50 | 0.75 | Yes |
| Percent Minority 8 | 18.00 | 0.30 | 21.60 | 0.62 | 23.40 | 23.80 | 0.50 | Yes |
| Percent of Persons 65 and Over 9 | 8.80 | 0.20 | 9.30 | 0.29 | 10.00 | 10.50 | 0.31 | Yes |
| Percent of Persons Foreign Born 10 | 14.20 | 0.20 | 16.60 | 0.54 | -- | 16.80 | 0.57 | Yes |
| Total Workers at Place of Residence11 | 233,301 | 1,471 | 273,187 | 2,837 | -- | 263,571 | 2,522 | 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 | 229,630 | 100.0 | 1,472 | 260,942 | 100.0 | 2,068 | 258,101 | 100.0 | 2,653 | Yes |
| Drove alone | 172,560 | 75.1 | 1,435 | 192,450 | 73.8 | 2,815 | 193,060 | 74.8 | 2,839 | Yes |
| 2-person Carpool | 20,220 | 8.8 | 613 | 23,055 | 8.8 | 1,318 | 20,547 | 8.0 | 1,692 | No |
| 3-or-more-person Carpool | 5,365 | 2.3 | 321 | 4,887 | 1.9 | 917 | 4,403 | 1.7 | 826 | Yes |
| Transit | 13,370 | 5.8 | 503 | 15,104 | 5.8 | 1,187 | 13,909 | 5.4 | 1,105 | No |
| Bike | 935 | 0.4 | 135 | 2,271 | 0.9 | 509 | 2,629 | 1.0 | 614 | Yes |
| Walked | 5,020 | 2.2 | 311 | 7,223 | 2.8 | 830 | 8,826 | 3.4 | 1,257 | Yes |
| Taxi, Motorcycle and Other means | 1,800 | 0.8 | 187 | 3,040 | 1.2 | 567 | 2,053 | 0.8 | 457 | No |
| Worked at Home | 10,365 | 4.5 | 444 | 12,912 | 4.9 | 1,145 | 12,674 | 4.9 | 1,047 | 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 | 229,835 | 100.0 | 1,472 | 259,212 | 100.0 | 3,959 | 252,715 | 100.0 | 4,588 | Yes |
| Drove alone | 177,035 | 77.0 | 1,442 | 196,758 | 75.9 | 3,761 | 192,897 | 76.3 | 3,929 | Yes |
| 2-person Carpool | 21,180 | 9.2 | 627 | 22,978 | 8.9 | 1,787 | 21,501 | 8.5 | 1,872 | No |
| 3-or-more-person Carpool | 5,655 | 2.5 | 330 | 5,491 | 2.1 | 951 | 4,612 | 1.8 | 719 | Yes |
| Transit | 7,985 | 3.5 | 391 | 8,941 | 3.4 | 968 | 8,005 | 3.2 | 934 | No |
| Bike | 985 | 0.4 | 138 | 2,754 | 1.1 | 566 | 2,823 | 1.1 | 629 | Yes |
| Walked | 5,110 | 2.2 | 314 | 6,987 | 2.7 | 814 | 8,564 | 3.4 | 1,277 | Yes |
| Taxi, Motorcycle and Other means | 1,520 | 0.7 | 172 | 2,391 | 0.9 | 443 | 1,639 | 0.6 | 427 | No |
| Worked at Home | 10,365 | 4.5 | 444 | 12,912 | 5.0 | 1,145 | 12,674 | 5.0 | 1,047 | 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) | 23.7 | 0.2 | 24.3 | 0.5 | 24.2 | 0.6 | No |
| Drove alone | 22.1 | 0.2 | 22.7 | 0.6 | 22.9 | 0.6 | Yes |
| Carpooled | 25.6 | 0.6 | 25.2 | 2.5 | 25.2 | 2.7 | No |
| Transit | 42.7 | 1.0 | 48.4 | 5.3 | 46.5 | 5.8 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 20.1 | 1.3 | 18.0 | 2.9 | 18.3 | 3.0 | 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
