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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 | 1,223,499 | -- | 1,387,001 | -- | 1,418,788 | 1,436,233 | -- | -- |
| Persons in Households 2 | 1,198,004 | 814 | 1,355,848 | -- | 1,395,001 | 1,409,804 | -- | -- |
| Total Households 3 | 453,841 | 729 | 503,762 | 2,413 | 513,945 | 513,594 | 2,262 | Yes |
| Average Number of Persons per Household 4 | 2.64 | 0.01 | 2.69 | 0.01 | 2.71 | 2.74 | 0.01 | Yes |
| Average Household Income 5 | $56,045 | $373 | $71,440 | $904 | -- | $70,184 | $1,002 | Yes |
| Average Number of Vehicles per Household 6 | 1.68 | 0.01 | 1.80 | 0.02 | -- | 1.76 | 0.02 | Yes |
| Percent of Persons in Poverty 7 | 14.10 | 0.20 | 13.70 | 0.58 | -- | 18.10 | 0.53 | Yes |
| Percent Minority 8 | 36.10 | 0.20 | 38.50 | 0.43 | 42.50 | 40.10 | 0.41 | Yes |
| Percent of Persons 65 and Over 9 | 11.10 | 0.10 | 11.10 | 0.19 | 11.20 | 11.50 | 0.19 | Yes |
| Percent of Persons Foreign Born 10 | 16.10 | 0.20 | 19.40 | 0.35 | -- | 19.90 | 0.35 | Yes |
| Total Workers at Place of Residence11 | 548,125 | 2,833 | 637,049 | 4,812 | -- | 607,194 | 4,502 | 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 | 536,310 | 100.0 | 2,826 | 609,345 | 100.0 | 4,984 | 588,984 | 100.0 | 4,576 | Yes |
| Drove alone | 404,130 | 75.4 | 2,679 | 458,686 | 75.3 | 4,411 | 443,841 | 75.4 | 4,768 | Yes |
| 2-person Carpool | 60,965 | 11.4 | 1,239 | 62,881 | 10.3 | 2,407 | 57,269 | 9.7 | 2,542 | Yes |
| 3-or-more-person Carpool | 16,055 | 3.0 | 648 | 15,651 | 2.6 | 1,576 | 14,501 | 2.5 | 1,363 | Yes |
| Transit | 16,215 | 3.0 | 651 | 18,498 | 3.0 | 1,319 | 17,296 | 2.9 | 1,210 | No |
| Bike | 4,575 | 0.9 | 348 | 7,202 | 1.2 | 834 | 7,303 | 1.2 | 820 | Yes |
| Walked | 11,000 | 2.1 | 538 | 12,341 | 2.0 | 1,202 | 12,641 | 2.1 | 1,301 | Yes |
| Taxi, Motorcycle and Other means | 5,090 | 0.9 | 367 | 7,388 | 1.2 | 882 | 6,017 | 1.0 | 839 | Yes |
| Worked at Home | 18,290 | 3.4 | 691 | 26,698 | 4.4 | 1,648 | 30,116 | 5.1 | 2,038 | 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 | 553,650 | 100.0 | 2,835 | 628,973 | 100.0 | 6,221 | 602,231 | 100.0 | 5,826 | Yes |
| Drove alone | 418,485 | 75.6 | 2,702 | 473,702 | 75.3 | 5,389 | 453,826 | 75.4 | 5,502 | Yes |
| 2-person Carpool | 62,750 | 11.3 | 1,256 | 64,586 | 10.3 | 2,570 | 59,264 | 9.8 | 2,266 | Yes |
| 3-or-more-person Carpool | 16,240 | 2.9 | 652 | 16,058 | 2.6 | 1,495 | 13,629 | 2.3 | 1,213 | Yes |
| Transit | 17,435 | 3.1 | 675 | 20,883 | 3.3 | 1,359 | 19,215 | 3.2 | 1,225 | Yes |
| Bike | 4,620 | 0.8 | 349 | 7,378 | 1.2 | 858 | 7,815 | 1.3 | 853 | Yes |
| Walked | 10,980 | 2.0 | 537 | 12,417 | 2.0 | 1,232 | 12,431 | 2.1 | 1,313 | Yes |
| Taxi, Motorcycle and Other means | 4,855 | 0.9 | 358 | 7,251 | 1.2 | 781 | 5,935 | 1.0 | 765 | Yes |
| Worked at Home | 18,290 | 3.3 | 691 | 26,698 | 4.2 | 1,648 | 30,116 | 5.0 | 2,038 | 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) | 25.4 | 0.2 | 25.7 | 0.4 | 25.7 | 0.4 | No |
| Drove alone | 24.6 | 0.2 | 24.8 | 0.4 | 24.9 | 0.5 | No |
| Carpooled | 27.3 | 0.5 | 27.9 | 1.9 | 27.9 | 1.8 | No |
| Transit | 44.1 | 1.3 | 46.2 | 5.1 | 48.0 | 5.7 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 20.1 | 0.9 | 20.2 | 2.3 | 19.4 | 2.5 | 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
