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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 | 843,746 | -- | 1,008,875 | -- | 980,263 | 987,294 | -- | -- |
| Persons in Households 2 | 821,709 | 754 | 986,366 | -- | 956,124 | 961,689 | -- | -- |
| Total Households 3 | 332,497 | 907 | 371,571 | 2,441 | 388,660 | 381,827 | 2,585 | Yes |
| Average Number of Persons per Household 4 | 2.47 | 0.02 | 2.65 | 0.02 | 2.46 | 2.52 | 0.02 | Yes |
| Average Household Income 5 | $49,415 | $427 | $61,542 | $932 | -- | $62,065 | $1,076 | Yes |
| Average Number of Vehicles per Household 6 | 1.61 | 0.01 | 1.67 | 0.02 | -- | 1.67 | 0.02 | Yes |
| Percent of Persons in Poverty 7 | 14.70 | 0.20 | 16.50 | 0.69 | -- | 19.50 | 0.69 | Yes |
| Percent Minority 8 | 25.00 | 0.20 | 23.80 | 0.52 | 25.70 | 20.60 | 0.53 | Yes |
| Percent of Persons 65 and Over 9 | 14.20 | 0.20 | 14.80 | 0.27 | 15.40 | 16.00 | 0.28 | Yes |
| Percent of Persons Foreign Born 10 | 11.90 | 0.20 | 13.30 | 0.46 | -- | 12.80 | 0.41 | Yes |
| Total Workers at Place of Residence11 | 376,310 | 2,351 | 455,111 | 4,369 | -- | 415,873 | 3,917 | 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 | 369,260 | 100.0 | 2,347 | 438,358 | 100.0 | 3,703 | 407,892 | 100.0 | 3,978 | Yes |
| Drove alone | 272,700 | 73.9 | 2,212 | 332,307 | 75.8 | 4,314 | 314,502 | 77.1 | 4,071 | Yes |
| 2-person Carpool | 42,800 | 11.6 | 1,038 | 39,489 | 9.0 | 2,300 | 30,091 | 7.4 | 1,951 | Yes |
| 3-or-more-person Carpool | 11,460 | 3.1 | 548 | 10,092 | 2.3 | 1,215 | 9,084 | 2.2 | 1,058 | Yes |
| Transit | 9,105 | 2.5 | 489 | 11,174 | 2.5 | 1,159 | 9,633 | 2.4 | 1,059 | No |
| Bike | 5,270 | 1.4 | 373 | 5,258 | 1.2 | 728 | 6,706 | 1.6 | 998 | Yes |
| Walked | 9,550 | 2.6 | 500 | 11,064 | 2.5 | 1,266 | 9,992 | 2.4 | 935 | No |
| Taxi, Motorcycle and Other means | 4,905 | 1.3 | 360 | 9,207 | 2.1 | 1,096 | 8,004 | 2.0 | 920 | Yes |
| Worked at Home | 13,475 | 3.6 | 593 | 19,767 | 4.5 | 1,563 | 19,880 | 4.9 | 1,134 | 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 | 368,385 | 100.0 | 2,346 | 437,887 | 100.0 | 3,713 | 407,445 | 100.0 | 4,136 | Yes |
| Drove alone | 273,165 | 74.2 | 2,213 | 333,317 | 76.1 | 4,292 | 315,184 | 77.4 | 4,083 | Yes |
| 2-person Carpool | 42,680 | 11.6 | 1,037 | 39,370 | 9.0 | 2,284 | 29,814 | 7.3 | 1,964 | Yes |
| 3-or-more-person Carpool | 10,905 | 3.0 | 534 | 9,423 | 2.2 | 1,183 | 8,627 | 2.1 | 1,079 | Yes |
| Transit | 8,909 | 2.4 | 483 | 11,037 | 2.5 | 1,165 | 9,508 | 2.3 | 1,054 | No |
| Bike | 5,280 | 1.4 | 373 | 5,260 | 1.2 | 686 | 6,669 | 1.6 | 995 | Yes |
| Walked | 9,370 | 2.5 | 496 | 10,911 | 2.5 | 1,234 | 10,146 | 2.5 | 948 | No |
| Taxi, Motorcycle and Other means | 4,600 | 1.2 | 348 | 8,802 | 2.0 | 1,013 | 7,617 | 1.9 | 858 | Yes |
| Worked at Home | 13,475 | 3.7 | 593 | 19,767 | 4.5 | 1,563 | 19,880 | 4.9 | 1,134 | 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) | 23.9 | 0.2 | 24.0 | 0.4 | 24.0 | 0.5 | No |
| Drove alone | 22.9 | 0.2 | 23.3 | 0.5 | 23.3 | 0.5 | No |
| Carpooled | 26.9 | 0.5 | 26.2 | 2.2 | 27.4 | 2.4 | No |
| Transit | 45.0 | 1.9 | 46.5 | 7.2 | 45.5 | 7.2 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 19.3 | 0.9 | 20.1 | 2.4 | 18.6 | 2.2 | 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
