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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 | 627,846 | -- | 865,676 | -- | 900,993 | 929,250 | -- | -- |
| Persons in Households 2 | 608,653 | 552 | 845,850 | -- | 880,010 | 907,552 | -- | -- |
| Total Households 3 | 242,133 | 507 | 321,596 | 1,758 | 345,645 | 346,096 | 2,702 | Yes |
| Average Number of Persons per Household 4 | 2.51 | 0.01 | 2.63 | 0.01 | 2.55 | 2.62 | 0.02 | Yes |
| Average Household Income 5 | $69,130 | $471 | $84,290 | $1,309 | -- | $84,208 | $1,375 | Yes |
| Average Number of Vehicles per Household 6 | 1.82 | 0.01 | 1.82 | 0.02 | -- | 1.83 | 0.03 | No |
| Percent of Persons in Poverty 7 | 7.80 | 0.10 | 9.20 | 0.59 | -- | 11.80 | 0.72 | Yes |
| Percent Minority 8 | 27.70 | 0.20 | 31.30 | 0.39 | 33.70 | 31.60 | 0.41 | Yes |
| Percent of Persons 65 and Over 9 | 7.30 | 0.10 | 8.10 | 0.21 | 8.50 | 8.80 | 0.23 | Yes |
| Percent of Persons Foreign Born 10 | 9.70 | 0.20 | 12.00 | 0.36 | -- | 13.00 | 0.36 | Yes |
| Total Workers at Place of Residence11 | 344,090 | 1,596 | 461,918 | 3,766 | -- | 465,211 | 4,507 | 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 | 338,600 | 100.0 | 1,598 | 441,604 | 100.0 | 3,667 | 457,344 | 100.0 | 4,638 | Yes |
| Drove alone | 274,675 | 81.1 | 1,590 | 350,792 | 79.4 | 3,802 | 369,096 | 80.7 | 4,812 | Yes |
| 2-person Carpool | 27,875 | 8.2 | 660 | 32,542 | 7.4 | 2,103 | 31,292 | 6.8 | 2,688 | Yes |
| 3-or-more-person Carpool | 9,955 | 2.9 | 400 | 10,938 | 2.5 | 1,618 | 8,614 | 1.9 | 1,327 | No |
| Transit | 3,475 | 1.0 | 238 | 5,145 | 1.2 | 746 | 5,368 | 1.2 | 934 | Yes |
| Bike | 645 | 0.2 | 103 | 1,418 | 0.3 | 499 | 1,532 | 0.3 | 438 | Yes |
| Walked | 5,845 | 1.7 | 308 | 7,783 | 1.8 | 1,203 | 5,874 | 1.3 | 827 | No |
| Taxi, Motorcycle and Other means | 3,405 | 1.0 | 235 | 5,668 | 1.3 | 976 | 4,827 | 1.1 | 867 | Yes |
| Worked at Home | 12,735 | 3.8 | 452 | 27,318 | 6.2 | 1,667 | 30,741 | 6.7 | 1,913 | 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 | 360,165 | 100.0 | 1,586 | 463,002 | 100.0 | 5,240 | 482,645 | 100.0 | 5,552 | Yes |
| Drove alone | 287,165 | 79.7 | 1,597 | 366,850 | 79.2 | 4,376 | 389,987 | 80.8 | 5,816 | Yes |
| 2-person Carpool | 33,040 | 9.2 | 716 | 36,597 | 7.9 | 2,214 | 32,921 | 6.8 | 2,465 | No |
| 3-or-more-person Carpool | 14,100 | 3.9 | 475 | 13,039 | 2.8 | 1,517 | 11,440 | 2.4 | 1,424 | Yes |
| Transit | 3,365 | 0.9 | 234 | 4,972 | 1.1 | 702 | 5,057 | 1.0 | 899 | Yes |
| Bike | 620 | 0.2 | 101 | 1,380 | 0.3 | 468 | 1,418 | 0.3 | 433 | Yes |
| Walked | 5,915 | 1.6 | 310 | 7,593 | 1.6 | 1,147 | 5,829 | 1.2 | 780 | No |
| Taxi, Motorcycle and Other means | 3,225 | 0.9 | 229 | 5,253 | 1.1 | 1,029 | 5,252 | 1.1 | 896 | Yes |
| Worked at Home | 12,735 | 3.5 | 452 | 27,318 | 5.9 | 1,667 | 30,741 | 6.4 | 1,913 | 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) | 24.7 | 0.1 | 23.6 | 0.5 | 23.5 | 0.4 | Yes |
| Drove alone | 24.2 | 0.1 | 23.0 | 0.4 | 22.9 | 0.5 | Yes |
| Carpooled | 26.9 | 0.5 | 26.6 | 3.1 | 25.5 | 2.9 | No |
| Transit | 44.1 | 2.6 | 41.2 | 9.6 | 45.5 | 12.5 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 25.1 | 1.4 | 22.6 | 4.7 | 23.1 | 4.6 | 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
