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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 | 656,302 | -- | 767,139 | 78 | 790,390 | 818,236 | 100 | -- |
| Persons in Households 2 | 636,153 | 565 | 745,057 | -- | 770,129 | 799,183 | -- | -- |
| Total Households 3 | 265,594 | 416 | 311,151 | 2,432 | 324,892 | 327,971 | 2,324 | Yes |
| Average Number of Persons per Household 4 | 2.40 | 0.01 | 2.39 | 0.02 | 2.37 | 2.44 | 0.02 | Yes |
| Average Household Income 5 | $58,745 | $438 | $71,670 | $1,538 | -- | $74,860 | $1,396 | Yes |
| Average Number of Vehicles per Household 6 | 1.57 | 0.01 | 1.58 | 0.02 | -- | 1.59 | 0.02 | No |
| Percent of Persons in Poverty 7 | 14.40 | 0.20 | 17.40 | 0.67 | -- | 20.10 | 0.72 | Yes |
| Percent Minority 8 | 34.60 | 0.20 | 32.90 | 0.70 | 31.70 | 27.30 | 0.78 | Yes |
| Percent of Persons 65 and Over 9 | 6.70 | 0.10 | 6.60 | 0.23 | 7.00 | 7.10 | 0.21 | Yes |
| Percent of Persons Foreign Born 10 | 16.60 | 0.20 | 19.80 | 0.65 | -- | 18.50 | 0.49 | Yes |
| Total Workers at Place of Residence11 | 360,296 | 1,631 | 431,901 | 4,302 | -- | 440,364 | 3,750 | 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 | 353,110 | 100.0 | 1,634 | 423,203 | 100.0 | 4,124 | 431,837 | 100.0 | 3,684 | Yes |
| Drove alone | 259,905 | 73.6 | 1,603 | 301,365 | 71.2 | 3,991 | 312,607 | 72.4 | 4,011 | Yes |
| 2-person Carpool | 34,690 | 9.8 | 733 | 36,243 | 8.6 | 2,426 | 33,988 | 7.9 | 2,160 | No |
| 3-or-more-person Carpool | 14,435 | 4.1 | 481 | 14,494 | 3.4 | 1,639 | 11,757 | 2.7 | 1,667 | Yes |
| Transit | 15,390 | 4.4 | 496 | 21,856 | 5.2 | 1,963 | 18,263 | 4.2 | 1,725 | Yes |
| Bike | 3,280 | 0.9 | 231 | 4,944 | 1.2 | 830 | 6,382 | 1.5 | 773 | Yes |
| Walked | 8,995 | 2.5 | 381 | 8,600 | 2.0 | 999 | 12,040 | 2.8 | 1,106 | Yes |
| Taxi, Motorcycle and Other means | 4,380 | 1.2 | 267 | 13,025 | 3.1 | 1,715 | 8,111 | 1.9 | 1,237 | Yes |
| Worked at Home | 12,030 | 3.4 | 440 | 22,676 | 5.4 | 1,420 | 28,689 | 6.6 | 1,780 | 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 | 482,740 | 100.0 | 1,446 | 574,257 | 100.0 | 6,218 | 585,103 | 100.0 | 5,456 | Yes |
| Drove alone | 371,935 | 77.0 | 1,624 | 431,535 | 75.1 | 6,608 | 445,768 | 76.2 | 6,117 | Yes |
| 2-person Carpool | 49,470 | 10.2 | 865 | 51,260 | 8.9 | 2,897 | 50,331 | 8.6 | 2,837 | No |
| 3-or-more-person Carpool | 16,790 | 3.5 | 518 | 18,817 | 3.3 | 1,875 | 13,953 | 2.4 | 1,720 | Yes |
| Transit | 15,259 | 3.2 | 494 | 22,801 | 4.0 | 2,060 | 19,189 | 3.3 | 1,684 | Yes |
| Bike | 3,270 | 0.7 | 231 | 4,920 | 0.9 | 810 | 6,508 | 1.1 | 750 | Yes |
| Walked | 9,310 | 1.9 | 388 | 9,044 | 1.6 | 1,039 | 12,100 | 2.1 | 1,081 | Yes |
| Taxi, Motorcycle and Other means | 4,670 | 1.0 | 276 | 13,204 | 2.3 | 1,607 | 8,565 | 1.5 | 1,167 | Yes |
| Worked at Home | 12,030 | 2.5 | 440 | 22,676 | 3.9 | 1,420 | 28,689 | 4.9 | 1,780 | 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) | 22.4 | 0.1 | 23.0 | 0.5 | 22.8 | 0.4 | No |
| Drove alone | 20.9 | 0.1 | 21.2 | 0.5 | 21.6 | 0.5 | Yes |
| Carpooled | 26.1 | 0.4 | 26.7 | 2.6 | 26.2 | 2.5 | No |
| Transit | 37.9 | 1.0 | 38.4 | 5.4 | 40.3 | 6.2 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 20.5 | 0.8 | 22.8 | 3.4 | 19.1 | 2.3 | 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
