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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 | 940,164 | -- | 955,226 | -- | 947,735 | 951,833 | -- | -- |
| Persons in Households 2 | 916,003 | 621 | 928,471 | -- | 923,245 | 930,356 | -- | -- |
| Total Households 3 | 377,983 | 585 | 370,769 | 2,351 | 383,591 | 379,601 | 2,093 | No |
| Average Number of Persons per Household 4 | 2.42 | 0.01 | 2.50 | 0.01 | 2.41 | 2.45 | 0.01 | Yes |
| Average Household Income 5 | $48,870 | $292 | $57,216 | $798 | -- | $57,222 | $765 | Yes |
| Average Number of Vehicles per Household 6 | 1.39 | 0.01 | 1.46 | 0.02 | -- | 1.42 | 0.02 | Yes |
| Percent of Persons in Poverty 7 | 15.30 | 0.20 | 18.50 | 0.65 | -- | 21.80 | 0.51 | Yes |
| Percent Minority 8 | 34.20 | 0.20 | 35.50 | 0.31 | 39.40 | 38.10 | 0.30 | Yes |
| Percent of Persons 65 and Over 9 | 12.90 | 0.10 | 11.50 | 0.22 | 11.50 | 11.60 | 0.21 | Yes |
| Percent of Persons Foreign Born 10 | 6.80 | 0.10 | 8.60 | 0.31 | -- | 8.80 | 0.27 | Yes |
| Total Workers at Place of Residence11 | 437,309 | 1,957 | 455,535 | 3,871 | -- | 433,488 | 3,633 | No |
| 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 | 427,620 | 100.0 | 1,954 | 445,194 | 100.0 | 4,116 | 426,142 | 100.0 | 3,752 | No |
| Drove alone | 320,665 | 75.0 | 1,860 | 339,786 | 76.3 | 4,407 | 323,216 | 75.8 | 3,638 | No |
| 2-person Carpool | 38,925 | 9.1 | 782 | 37,859 | 8.5 | 1,716 | 36,335 | 8.5 | 1,854 | Yes |
| 3-or-more-person Carpool | 10,375 | 2.4 | 410 | 8,717 | 2.0 | 1,026 | 8,346 | 2.0 | 838 | Yes |
| Transit | 28,875 | 6.8 | 677 | 25,581 | 5.7 | 1,740 | 25,151 | 5.9 | 1,292 | Yes |
| Bike | 1,235 | 0.3 | 142 | 2,881 | 0.6 | 568 | 3,088 | 0.7 | 485 | Yes |
| Walked | 15,855 | 3.7 | 505 | 15,543 | 3.5 | 1,226 | 15,887 | 3.7 | 1,048 | No |
| Taxi, Motorcycle and Other means | 2,740 | 0.6 | 211 | 3,537 | 0.8 | 565 | 3,058 | 0.7 | 448 | No |
| Worked at Home | 8,955 | 2.1 | 381 | 11,290 | 2.5 | 862 | 11,061 | 2.6 | 822 | 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 | 463,915 | 100.0 | 1,961 | 487,445 | 100.0 | 4,672 | 464,461 | 100.0 | 4,907 | No |
| Drove alone | 357,685 | 77.1 | 1,905 | 379,530 | 77.9 | 4,501 | 360,111 | 77.5 | 4,308 | No |
| 2-person Carpool | 40,090 | 8.6 | 793 | 39,508 | 8.1 | 1,797 | 36,767 | 7.9 | 1,823 | Yes |
| 3-or-more-person Carpool | 9,460 | 2.0 | 392 | 8,274 | 1.7 | 976 | 7,795 | 1.7 | 777 | Yes |
| Transit | 27,880 | 6.0 | 666 | 25,783 | 5.3 | 1,665 | 25,800 | 5.6 | 1,402 | Yes |
| Bike | 1,160 | 0.3 | 138 | 3,070 | 0.6 | 555 | 3,133 | 0.7 | 508 | Yes |
| Walked | 15,730 | 3.4 | 503 | 15,715 | 3.2 | 1,227 | 15,773 | 3.4 | 1,007 | No |
| Taxi, Motorcycle and Other means | 2,945 | 0.6 | 219 | 4,275 | 0.9 | 564 | 4,021 | 0.9 | 546 | Yes |
| Worked at Home | 8,955 | 1.9 | 381 | 11,290 | 2.3 | 862 | 11,061 | 2.4 | 822 | 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) | 21.9 | 0.1 | 21.7 | 0.4 | 21.9 | 0.4 | No |
| Drove alone | 20.6 | 0.1 | 20.7 | 0.4 | 20.9 | 0.4 | No |
| Carpooled | 22.3 | 0.3 | 22.5 | 1.6 | 22.6 | 1.7 | No |
| Transit | 40.3 | 0.7 | 40.0 | 4.1 | 40.4 | 3.1 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 14.1 | 0.6 | 13.5 | 1.6 | 13.5 | 1.2 | 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
