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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 | 644,356 | -- | 707,556 | -- | 703,462 | 702,666 | -- | -- |
| Persons in Households 2 | 623,371 | 577 | 692,132 | -- | 682,753 | 684,526 | -- | -- |
| Total Households 3 | 216,484 | 385 | 235,420 | 1,540 | 241,712 | 240,273 | 1,181 | Yes |
| Average Number of Persons per Household 4 | 2.88 | 0.01 | 2.94 | 0.02 | 2.82 | 2.85 | 0.01 | Yes |
| Average Household Income 5 | $93,890 | $657 | $110,575 | $1,888 | -- | $105,628 | $1,565 | Yes |
| Average Number of Vehicles per Household 6 | 1.87 | 0.01 | 1.96 | 0.02 | -- | 1.92 | 0.02 | Yes |
| Percent of Persons in Poverty 7 | 5.70 | 0.10 | 7.10 | 0.52 | -- | 9.70 | 0.57 | Yes |
| Percent Minority 8 | 19.90 | 0.20 | 23.40 | 0.50 | 24.90 | 20.90 | 0.56 | Yes |
| Percent of Persons 65 and Over 9 | 8.50 | 0.10 | 9.90 | 0.24 | 10.40 | 10.80 | 0.24 | Yes |
| Percent of Persons Foreign Born 10 | 14.80 | 0.20 | 18.10 | 0.43 | -- | 18.40 | 0.42 | Yes |
| Total Workers at Place of Residence11 | 323,224 | 1,624 | 360,318 | 3,443 | -- | 341,461 | 3,122 | 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 | 317,440 | 100.0 | 1,624 | 345,253 | 100.0 | 2,697 | 335,874 | 100.0 | 3,110 | Yes |
| Drove alone | 242,385 | 76.4 | 1,573 | 264,166 | 76.5 | 2,778 | 258,614 | 77.0 | 3,199 | Yes |
| 2-person Carpool | 24,415 | 7.7 | 620 | 26,472 | 7.7 | 1,688 | 20,591 | 6.1 | 1,633 | Yes |
| 3-or-more-person Carpool | 7,895 | 2.5 | 357 | 6,710 | 1.9 | 835 | 7,370 | 2.2 | 971 | No |
| Transit | 14,090 | 4.4 | 475 | 15,227 | 4.4 | 1,051 | 13,759 | 4.1 | 1,011 | No |
| Bike | 460 | 0.1 | 87 | 1,047 | 0.3 | 346 | 1,074 | 0.3 | 297 | Yes |
| Walked | 9,330 | 2.9 | 388 | 8,463 | 2.5 | 956 | 9,628 | 2.9 | 1,254 | No |
| Taxi, Motorcycle and Other means | 5,575 | 1.8 | 301 | 3,525 | 1.0 | 606 | 4,083 | 1.2 | 724 | Yes |
| Worked at Home | 13,295 | 4.2 | 462 | 19,643 | 5.7 | 1,445 | 20,755 | 6.2 | 1,223 | 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 | 326,165 | 100.0 | 1,624 | 358,191 | 100.0 | 4,426 | 350,626 | 100.0 | 4,581 | Yes |
| Drove alone | 254,990 | 78.2 | 1,588 | 281,371 | 78.6 | 3,549 | 280,037 | 79.9 | 4,730 | Yes |
| 2-person Carpool | 26,500 | 8.1 | 645 | 28,212 | 7.9 | 1,764 | 21,731 | 6.2 | 1,620 | Yes |
| 3-or-more-person Carpool | 9,290 | 2.8 | 387 | 7,699 | 2.1 | 962 | 6,918 | 2.0 | 887 | Yes |
| Transit | 5,740 | 1.8 | 305 | 8,063 | 2.3 | 980 | 6,627 | 1.9 | 912 | No |
| Bike | 470 | 0.1 | 88 | 977 | 0.3 | 304 | 1,015 | 0.3 | 282 | Yes |
| Walked | 9,965 | 3.1 | 401 | 8,773 | 2.4 | 983 | 9,875 | 2.8 | 1,221 | No |
| Taxi, Motorcycle and Other means | 5,920 | 1.8 | 310 | 3,453 | 1.0 | 587 | 3,668 | 1.0 | 618 | Yes |
| Worked at Home | 13,295 | 4.1 | 462 | 19,643 | 5.5 | 1,445 | 20,755 | 5.9 | 1,223 | 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) | 30.1 | 0.2 | 30.8 | 0.6 | 29.5 | 0.6 | No |
| Drove alone | 28.7 | 0.2 | 29.4 | 0.6 | 28.1 | 0.6 | No |
| Carpooled | 29.7 | 0.6 | 30.6 | 2.7 | 29.8 | 3.1 | No |
| Transit | 68.9 | 1.3 | 66.8 | 6.9 | 70.1 | 7.7 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 16.2 | 0.8 | 18.9 | 3.8 | 16.3 | 2.8 | 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
