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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 | 1,223,341 | -- | 1,303,188 | 176 | 1,307,402 | 1,321,545 | 118 | -- |
| Persons in Households 2 | 1,177,666 | 1,080 | 1,258,222 | -- | 1,255,446 | 1,280,974 | -- | -- |
| Total Households 3 | 451,126 | 689 | 479,759 | 3,369 | 483,092 | 469,700 | 2,926 | Yes |
| Average Number of Persons per Household 4 | 2.61 | 0.01 | 2.62 | 0.02 | 2.60 | 2.73 | 0.02 | Yes |
| Average Household Income 5 | $62,510 | $442 | $83,976 | $1,251 | -- | $85,370 | $1,404 | Yes |
| Average Number of Vehicles per Household 6 | 1.65 | 0.01 | 1.75 | 0.02 | -- | 1.74 | 0.02 | Yes |
| Percent of Persons in Poverty 7 | 14.60 | 0.20 | 13.30 | 0.44 | -- | 16.10 | 0.54 | Yes |
| Percent Minority 8 | 39.90 | 0.20 | 31.50 | 0.48 | 41.10 | 36.10 | 0.51 | Yes |
| Percent of Persons 65 and Over 9 | 10.40 | 0.10 | 10.70 | 0.23 | 10.70 | 11.00 | 0.23 | Yes |
| Percent of Persons Foreign Born 10 | 25.70 | 0.20 | 25.20 | 0.42 | -- | 26.30 | 0.44 | Yes |
| Total Workers at Place of Residence11 | 593,766 | 2,847 | 656,809 | 6,688 | -- | 654,095 | 5,071 | 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 | 580,320 | 100.0 | 2,844 | 634,666 | 100.0 | 5,145 | 638,225 | 100.0 | 4,263 | Yes |
| Drove alone | 429,310 | 74.0 | 2,718 | 481,234 | 75.8 | 5,076 | 478,157 | 74.9 | 4,480 | Yes |
| 2-person Carpool | 56,255 | 9.7 | 1,193 | 48,838 | 7.7 | 2,555 | 48,294 | 7.6 | 2,271 | Yes |
| 3-or-more-person Carpool | 14,490 | 2.5 | 616 | 10,086 | 1.6 | 1,024 | 12,258 | 1.9 | 1,328 | Yes |
| Transit | 23,735 | 4.1 | 786 | 24,938 | 3.9 | 1,477 | 25,726 | 4.0 | 1,743 | Yes |
| Bike | 4,215 | 0.7 | 334 | 5,656 | 0.9 | 1,006 | 6,302 | 1.0 | 797 | Yes |
| Walked | 21,170 | 3.6 | 743 | 18,181 | 2.9 | 1,413 | 18,289 | 2.9 | 1,430 | Yes |
| Taxi, Motorcycle and Other means | 7,815 | 1.3 | 454 | 6,759 | 1.1 | 989 | 7,098 | 1.1 | 808 | No |
| Worked at Home | 23,330 | 4.0 | 779 | 38,974 | 6.1 | 2,482 | 42,101 | 6.6 | 2,088 | 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 | 723,995 | 100.0 | 2,799 | 793,812 | 100.0 | 7,179 | 815,539 | 100.0 | 6,964 | Yes |
| Drove alone | 547,800 | 75.7 | 2,832 | 607,303 | 76.5 | 7,018 | 627,738 | 77.0 | 7,230 | Yes |
| 2-person Carpool | 73,325 | 10.1 | 1,352 | 66,180 | 8.3 | 2,911 | 63,007 | 7.7 | 2,739 | Yes |
| 3-or-more-person Carpool | 16,975 | 2.3 | 666 | 15,207 | 1.9 | 1,238 | 16,337 | 2.0 | 1,614 | No |
| Transit | 27,845 | 3.8 | 849 | 32,572 | 4.1 | 1,707 | 31,117 | 3.8 | 1,953 | Yes |
| Bike | 4,400 | 0.6 | 341 | 5,785 | 0.7 | 969 | 6,888 | 0.8 | 905 | Yes |
| Walked | 21,230 | 2.9 | 744 | 19,280 | 2.4 | 1,460 | 19,111 | 2.3 | 1,374 | Yes |
| Taxi, Motorcycle and Other means | 9,095 | 1.3 | 489 | 8,511 | 1.1 | 822 | 9,240 | 1.1 | 896 | No |
| Worked at Home | 23,330 | 3.2 | 779 | 38,974 | 4.9 | 2,482 | 42,101 | 5.2 | 2,088 | 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) | 23.2 | 0.1 | 22.4 | 0.4 | 22.4 | 0.3 | Yes |
| Drove alone | 22.1 | 0.1 | 21.2 | 0.4 | 21.3 | 0.4 | Yes |
| Carpooled | 24.5 | 0.4 | 24.4 | 1.7 | 23.7 | 1.6 | No |
| Transit | 47.3 | 1.3 | 46.5 | 4.3 | 46.1 | 4.8 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 18.2 | 0.7 | 18.1 | 2.4 | 18.1 | 2.0 | 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
