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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 | 778,879 | -- | 852,999 | -- | 864,263 | 872,307 | -- | -- |
| Persons in Households 2 | 763,171 | 639 | 838,033 | -- | 844,278 | 854,306 | -- | -- |
| Total Households 3 | 303,871 | 796 | 336,002 | 2,450 | 342,450 | 329,194 | 2,303 | Yes |
| Average Number of Persons per Household 4 | 2.51 | 0.02 | 2.49 | 0.02 | 2.47 | 2.60 | 0.02 | Yes |
| Average Household Income 5 | $52,365 | $446 | $63,667 | $1,124 | -- | $63,360 | $1,364 | Yes |
| Average Number of Vehicles per Household 6 | 1.60 | 0.01 | 1.65 | 0.02 | -- | 1.61 | 0.02 | No |
| Percent of Persons in Poverty 7 | 11.90 | 0.20 | 13.60 | 0.69 | -- | 17.40 | 0.74 | Yes |
| Percent Minority 8 | 34.20 | 0.30 | 37.00 | 0.26 | 39.10 | 38.10 | 0.26 | Yes |
| Percent of Persons 65 and Over 9 | 10.40 | 0.20 | 10.80 | 0.24 | 11.10 | 11.50 | 0.26 | Yes |
| Percent of Persons Foreign Born 10 | 5.90 | 0.10 | 8.60 | 0.39 | -- | 9.40 | 0.43 | Yes |
| Total Workers at Place of Residence11 | 382,481 | 2,272 | 425,768 | 4,055 | -- | 403,249 | 4,156 | 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 | 374,290 | 100.0 | 2,271 | 412,817 | 100.0 | 3,279 | 396,036 | 100.0 | 3,983 | Yes |
| Drove alone | 297,405 | 79.5 | 2,208 | 334,802 | 81.1 | 4,135 | 319,550 | 80.7 | 4,617 | Yes |
| 2-person Carpool | 38,945 | 10.4 | 991 | 35,419 | 8.6 | 2,134 | 32,333 | 8.2 | 2,238 | Yes |
| 3-or-more-person Carpool | 10,050 | 2.7 | 513 | 9,614 | 2.3 | 1,379 | 7,577 | 1.9 | 1,406 | Yes |
| Transit | 6,760 | 1.8 | 422 | 6,652 | 1.6 | 887 | 6,867 | 1.7 | 966 | No |
| Bike | 1,750 | 0.5 | 215 | 2,131 | 0.5 | 603 | 1,914 | 0.5 | 471 | No |
| Walked | 6,665 | 1.8 | 419 | 6,296 | 1.5 | 1,102 | 5,338 | 1.3 | 880 | Yes |
| Taxi, Motorcycle and Other means | 5,285 | 1.4 | 373 | 5,040 | 1.2 | 757 | 4,522 | 1.1 | 630 | Yes |
| Worked at Home | 7,435 | 2.0 | 442 | 12,863 | 3.1 | 1,311 | 17,935 | 4.5 | 1,668 | 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 | 431,225 | 100.0 | 2,259 | 485,025 | 100.0 | 4,622 | 473,270 | 100.0 | 5,529 | Yes |
| Drove alone | 348,630 | 80.8 | 2,260 | 400,330 | 82.5 | 5,115 | 389,115 | 82.2 | 5,779 | Yes |
| 2-person Carpool | 43,480 | 10.1 | 1,043 | 40,007 | 8.2 | 2,340 | 38,789 | 8.2 | 2,459 | Yes |
| 3-or-more-person Carpool | 10,950 | 2.5 | 535 | 10,391 | 2.1 | 1,350 | 8,359 | 1.8 | 1,371 | Yes |
| Transit | 6,795 | 1.6 | 423 | 6,730 | 1.4 | 951 | 7,147 | 1.5 | 1,013 | No |
| Bike | 1,710 | 0.4 | 213 | 2,239 | 0.5 | 617 | 1,906 | 0.4 | 454 | No |
| Walked | 6,735 | 1.6 | 421 | 6,447 | 1.3 | 1,130 | 5,500 | 1.2 | 904 | Yes |
| Taxi, Motorcycle and Other means | 5,485 | 1.3 | 380 | 6,018 | 1.2 | 718 | 4,519 | 1.0 | 534 | Yes |
| Worked at Home | 7,435 | 1.7 | 442 | 12,863 | 2.7 | 1,311 | 17,935 | 3.8 | 1,668 | 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) | 25.2 | 0.2 | 23.7 | 0.4 | 23.2 | 0.5 | Yes |
| Drove alone | 24.5 | 0.2 | 23.0 | 0.4 | 22.6 | 0.5 | Yes |
| Carpooled | 27.3 | 0.6 | 25.6 | 2.2 | 23.3 | 2.2 | Yes |
| Transit | 52.2 | 2.6 | 52.1 | 10.5 | 48.7 | 12.0 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 22.2 | 1.3 | 20.7 | 4.2 | 24.4 | 5.1 | 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
