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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 | 1,274,923 | -- | 1,318,435 | 0 | 1,328,361 | 1,328,440 | 0 | -- |
| Persons in Households 2 | 1,239,974 | 746 | 1,280,435 | -- | 1,292,816 | 1,292,904 | -- | -- |
| Total Households 3 | 518,372 | 1,318 | 542,008 | 2,722 | 557,219 | 552,963 | 2,419 | Yes |
| Average Number of Persons per Household 4 | 2.39 | 0.01 | 2.36 | 0.01 | 2.32 | 2.34 | 0.01 | Yes |
| Average Household Income 5 | $47,385 | $245 | $59,488 | $800 | -- | $61,942 | $809 | Yes |
| Average Number of Vehicles per Household 6 | 1.72 | 0.01 | 1.80 | 0.02 | -- | 1.76 | 0.01 | Yes |
| Percent of Persons in Poverty 7 | 10.90 | 0.10 | 12.40 | 0.38 | -- | 14.00 | 0.39 | Yes |
| Percent Minority 8 | 3.00 | 0.10 | 4.90 | 0.16 | 4.80 | 4.80 | 0.06 | Yes |
| Percent of Persons 65 and Over 9 | 14.40 | 0.10 | 15.20 | 0.20 | 15.90 | 16.40 | 0.21 | Yes |
| Percent of Persons Foreign Born 10 | 2.90 | 0.10 | 3.30 | 0.14 | -- | 3.50 | 0.13 | Yes |
| Total Workers at Place of Residence11 | 628,195 | 2,284 | 668,685 | 4,322 | -- | 646,107 | 3,804 | 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 | 615,145 | 100.0 | 2,283 | 641,632 | 100.0 | 3,625 | 630,761 | 100.0 | 3,741 | Yes |
| Drove alone | 483,315 | 78.6 | 2,217 | 500,776 | 78.0 | 3,874 | 496,586 | 78.7 | 4,093 | Yes |
| 2-person Carpool | 56,705 | 9.2 | 942 | 54,512 | 8.5 | 2,146 | 51,772 | 8.2 | 2,420 | Yes |
| 3-or-more-person Carpool | 12,500 | 2.0 | 450 | 12,387 | 1.9 | 1,094 | 10,829 | 1.7 | 929 | Yes |
| Transit | 3,965 | 0.6 | 254 | 4,232 | 0.7 | 558 | 3,669 | 0.6 | 518 | No |
| Bike | 1,400 | 0.2 | 151 | 3,054 | 0.5 | 524 | 3,183 | 0.5 | 506 | Yes |
| Walked | 24,700 | 4.0 | 630 | 26,403 | 4.1 | 1,606 | 24,492 | 3.9 | 1,609 | No |
| Taxi, Motorcycle and Other means | 5,590 | 0.9 | 302 | 7,383 | 1.2 | 834 | 7,068 | 1.1 | 790 | Yes |
| Worked at Home | 26,960 | 4.4 | 657 | 32,885 | 5.1 | 1,524 | 33,162 | 5.3 | 1,401 | 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 | 599,815 | 100.0 | 2,280 | 628,215 | 100.0 | 3,625 | 616,621 | 100.0 | 4,014 | Yes |
| Drove alone | 471,590 | 78.6 | 2,206 | 491,184 | 78.2 | 4,086 | 484,886 | 78.6 | 3,746 | Yes |
| 2-person Carpool | 55,090 | 9.2 | 929 | 52,700 | 8.4 | 2,075 | 50,937 | 8.3 | 2,386 | Yes |
| 3-or-more-person Carpool | 12,185 | 2.0 | 444 | 11,824 | 1.9 | 1,100 | 10,418 | 1.7 | 925 | Yes |
| Transit | 3,510 | 0.6 | 239 | 3,853 | 0.6 | 598 | 3,082 | 0.5 | 445 | No |
| Bike | 1,375 | 0.2 | 150 | 3,099 | 0.5 | 546 | 3,132 | 0.5 | 502 | Yes |
| Walked | 24,260 | 4.0 | 624 | 26,025 | 4.1 | 1,625 | 24,497 | 4.0 | 1,576 | No |
| Taxi, Motorcycle and Other means | 4,835 | 0.8 | 281 | 6,645 | 1.1 | 834 | 6,507 | 1.1 | 768 | Yes |
| Worked at Home | 26,960 | 4.5 | 657 | 32,885 | 5.2 | 1,524 | 33,162 | 5.4 | 1,401 | 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) | 22.7 | 0.1 | 22.9 | 0.3 | 23.4 | 0.3 | Yes |
| Drove alone | 22.5 | 0.1 | 22.8 | 0.3 | 23.3 | 0.4 | Yes |
| Carpooled | 27.1 | 0.4 | 28.2 | 1.9 | 28.3 | 1.7 | No |
| Transit | 40.4 | 2.3 | 39.8 | 9.0 | 48.0 | 12.1 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 13.6 | 0.5 | 13.2 | 1.4 | 13.5 | 1.4 | 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
