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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 | 923,459 | -- | 950,787 | -- | 949,113 | 956,494 | -- | -- |
| Persons in Households 2 | 899,772 | 615 | 927,098 | -- | 920,409 | 929,608 | -- | -- |
| Total Households 3 | 337,486 | 435 | 338,688 | 1,828 | 347,232 | 342,568 | 1,652 | Yes |
| Average Number of Persons per Household 4 | 2.67 | 0.01 | 2.74 | 0.01 | 2.65 | 2.71 | 0.01 | Yes |
| Average Household Income 5 | $99,465 | $587 | $127,039 | $2,336 | -- | $128,530 | $1,984 | Yes |
| Average Number of Vehicles per Household 6 | 1.52 | 0.01 | 1.55 | 0.02 | -- | 1.54 | 0.02 | No |
| Percent of Persons in Poverty 7 | 8.80 | 0.10 | 8.30 | 0.46 | -- | 9.60 | 0.51 | Yes |
| Percent Minority 8 | 28.60 | 0.20 | 31.20 | 0.42 | 31.90 | 33.40 | 0.42 | Yes |
| Percent of Persons 65 and Over 9 | 14.00 | 0.10 | 14.10 | 0.27 | 14.70 | 14.90 | 0.26 | Yes |
| Percent of Persons Foreign Born 10 | 22.20 | 0.20 | 24.40 | 0.48 | -- | 25.10 | 0.40 | Yes |
| Total Workers at Place of Residence11 | 432,700 | 1,940 | 470,355 | 3,992 | -- | 454,056 | 3,485 | 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 | 425,050 | 100.0 | 1,938 | 448,854 | 100.0 | 3,551 | 443,261 | 100.0 | 3,714 | Yes |
| Drove alone | 261,740 | 61.6 | 1,752 | 269,500 | 60.0 | 4,241 | 266,707 | 60.2 | 3,722 | Yes |
| 2-person Carpool | 31,785 | 7.5 | 709 | 26,749 | 6.0 | 1,440 | 25,443 | 5.7 | 1,841 | Yes |
| 3-or-more-person Carpool | 8,600 | 2.0 | 373 | 7,780 | 1.7 | 1,171 | 6,502 | 1.5 | 866 | Yes |
| Transit | 83,970 | 19.8 | 1,118 | 92,056 | 20.5 | 2,876 | 91,449 | 20.6 | 2,601 | Yes |
| Bike | 470 | 0.1 | 88 | 592 | 0.1 | 205 | 551 | 0.1 | 227 | No |
| Walked | 17,180 | 4.0 | 525 | 22,311 | 5.0 | 1,821 | 23,492 | 5.3 | 1,683 | Yes |
| Taxi, Motorcycle and Other means | 4,995 | 1.2 | 285 | 7,751 | 1.7 | 1,001 | 8,408 | 1.9 | 1,113 | Yes |
| Worked at Home | 16,305 | 3.8 | 512 | 22,115 | 4.9 | 1,399 | 20,709 | 4.7 | 1,221 | 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 | 400,920 | 100.0 | 1,927 | 441,224 | 100.0 | 5,366 | 425,911 | 100.0 | 4,981 | Yes |
| Drove alone | 284,110 | 70.9 | 1,795 | 305,354 | 69.2 | 4,629 | 294,455 | 69.1 | 4,450 | Yes |
| 2-person Carpool | 33,490 | 8.4 | 727 | 30,252 | 6.9 | 1,650 | 27,933 | 6.6 | 1,632 | Yes |
| 3-or-more-person Carpool | 10,310 | 2.6 | 409 | 9,707 | 2.2 | 1,331 | 8,347 | 2.0 | 971 | Yes |
| Transit | 33,999 | 8.5 | 732 | 43,763 | 9.9 | 2,143 | 42,087 | 9.9 | 2,318 | Yes |
| Bike | 515 | 0.1 | 92 | 796 | 0.2 | 252 | 642 | 0.2 | 238 | No |
| Walked | 17,365 | 4.3 | 528 | 22,339 | 5.1 | 1,763 | 23,750 | 5.6 | 1,685 | Yes |
| Taxi, Motorcycle and Other means | 4,815 | 1.2 | 280 | 6,898 | 1.6 | 897 | 7,988 | 1.9 | 966 | Yes |
| Worked at Home | 16,305 | 4.1 | 512 | 22,115 | 5.0 | 1,399 | 20,709 | 4.9 | 1,221 | 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) | 32.7 | 0.2 | 32.0 | 0.6 | 31.9 | 0.5 | Yes |
| Drove alone | 26.4 | 0.2 | 25.3 | 0.7 | 25.4 | 0.5 | Yes |
| Carpooled | 29.4 | 0.5 | 28.2 | 2.5 | 28.5 | 3.0 | No |
| Transit | 58.7 | 0.5 | 58.2 | 2.8 | 57.4 | 2.5 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 16.1 | 0.6 | 16.2 | 1.8 | 16.3 | 1.7 | 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
