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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 | 893,889 | -- | 948,244 | 88 | 945,942 | 969,324 | 104 | -- |
| Persons in Households 2 | 883,023 | 534 | 938,412 | -- | 932,620 | 955,398 | -- | -- |
| Total Households 3 | 276,408 | 371 | 300,452 | 2,074 | 301,366 | 305,787 | 1,970 | Yes |
| Average Number of Persons per Household 4 | 3.19 | 0.01 | 3.12 | 0.02 | 3.09 | 3.12 | 0.02 | Yes |
| Average Household Income 5 | $85,280 | $655 | $99,186 | $1,456 | -- | $101,431 | $1,630 | Yes |
| Average Number of Vehicles per Household 6 | 2.02 | 0.01 | 2.01 | 0.02 | -- | 2.01 | 0.02 | No |
| Percent of Persons in Poverty 7 | 8.80 | 0.20 | 10.40 | 0.56 | -- | 12.50 | 0.72 | Yes |
| Percent Minority 8 | 52.80 | 0.30 | 51.40 | 0.70 | 57.20 | 53.40 | 0.76 | No |
| Percent of Persons 65 and Over 9 | 8.10 | 0.10 | 9.70 | 0.24 | 10.10 | 10.50 | 0.24 | Yes |
| Percent of Persons Foreign Born 10 | 36.90 | 0.30 | 38.50 | 0.63 | -- | 38.50 | 0.46 | Yes |
| Total Workers at Place of Residence11 | 437,089 | 2,434 | 474,169 | 4,820 | -- | 456,641 | 3,993 | 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 | 427,985 | 100.0 | 2,432 | 449,784 | 100.0 | 4,347 | 446,137 | 100.0 | 4,147 | Yes |
| Drove alone | 326,930 | 76.4 | 2,345 | 348,385 | 77.5 | 3,893 | 349,958 | 78.4 | 4,038 | Yes |
| 2-person Carpool | 47,030 | 11.0 | 1,087 | 38,672 | 8.6 | 2,228 | 37,725 | 8.5 | 2,059 | Yes |
| 3-or-more-person Carpool | 13,145 | 3.1 | 586 | 8,849 | 2.0 | 1,178 | 9,150 | 2.1 | 1,073 | Yes |
| Transit | 17,330 | 4.0 | 671 | 16,466 | 3.7 | 1,564 | 15,206 | 3.4 | 1,521 | Yes |
| Bike | 2,640 | 0.6 | 264 | 4,226 | 0.9 | 826 | 3,880 | 0.9 | 809 | Yes |
| Walked | 6,170 | 1.4 | 403 | 8,585 | 1.9 | 1,085 | 7,053 | 1.6 | 904 | No |
| Taxi, Motorcycle and Other means | 4,085 | 1.0 | 328 | 8,359 | 1.9 | 1,366 | 5,184 | 1.2 | 785 | Yes |
| Worked at Home | 10,650 | 2.5 | 528 | 16,242 | 3.6 | 1,301 | 17,981 | 4.0 | 1,291 | 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 | 378,155 | 100.0 | 2,405 | 392,212 | 100.0 | 6,039 | 382,074 | 100.0 | 5,093 | No |
| Drove alone | 291,075 | 77.0 | 2,282 | 301,447 | 76.9 | 4,765 | 295,256 | 77.3 | 4,800 | No |
| 2-person Carpool | 38,945 | 10.3 | 994 | 31,912 | 8.1 | 2,013 | 32,618 | 8.5 | 1,686 | Yes |
| 3-or-more-person Carpool | 10,925 | 2.9 | 535 | 8,621 | 2.2 | 1,215 | 7,788 | 2.0 | 1,022 | Yes |
| Transit | 14,415 | 3.8 | 613 | 13,479 | 3.4 | 1,315 | 13,202 | 3.5 | 1,111 | No |
| Bike | 2,365 | 0.6 | 250 | 3,653 | 0.9 | 698 | 3,813 | 1.0 | 840 | Yes |
| Walked | 6,110 | 1.6 | 401 | 8,640 | 2.2 | 1,065 | 6,874 | 1.8 | 893 | No |
| Taxi, Motorcycle and Other means | 3,670 | 1.0 | 311 | 8,218 | 2.1 | 1,233 | 4,542 | 1.2 | 672 | Yes |
| Worked at Home | 10,650 | 2.8 | 528 | 16,242 | 4.1 | 1,301 | 17,981 | 4.7 | 1,291 | 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) | 27.8 | 0.2 | 25.4 | 0.5 | 25.9 | 0.5 | Yes |
| Drove alone | 26.6 | 0.2 | 24.2 | 0.5 | 25.0 | 0.5 | Yes |
| Carpooled | 29.3 | 0.5 | 27.6 | 2.7 | 27.4 | 2.0 | No |
| Transit | 49.7 | 1.5 | 50.3 | 7.4 | 49.0 | 7.3 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 21.0 | 1.1 | 19.6 | 2.8 | 19.7 | 2.6 | 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
