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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 | 309,969 | -- | 349,853 | -- | 350,209 | 358,009 | -- | -- |
| Persons in Households 2 | 298,579 | 424 | 339,398 | -- | 339,878 | 345,799 | -- | -- |
| Total Households 3 | 123,260 | 504 | 141,171 | 1,890 | 144,309 | 142,536 | 1,778 | Yes |
| Average Number of Persons per Household 4 | 2.42 | 0.02 | 2.40 | 0.03 | 2.36 | 2.43 | 0.03 | No |
| Average Household Income 5 | $52,985 | $618 | $69,689 | $1,993 | -- | $70,249 | $2,113 | Yes |
| Average Number of Vehicles per Household 6 | 1.55 | 0.01 | 1.65 | 0.03 | -- | 1.64 | 0.04 | Yes |
| Percent of Persons in Poverty 7 | 16.40 | 0.30 | 15.20 | 0.95 | -- | 18.80 | 1.11 | Yes |
| Percent Minority 8 | 37.80 | 0.40 | 35.30 | 0.27 | 35.80 | 33.70 | 0.37 | Yes |
| Percent of Persons 65 and Over 9 | 11.80 | 0.20 | 12.60 | 0.43 | 12.80 | 13.20 | 0.43 | Yes |
| Percent of Persons Foreign Born 10 | 3.60 | 0.10 | 5.20 | 0.35 | -- | 5.30 | 0.38 | Yes |
| Total Workers at Place of Residence11 | 146,537 | 1,125 | 172,972 | 2,582 | -- | 171,888 | 3,149 | 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 | 143,920 | 100.0 | 1,123 | 171,104 | 100.0 | 2,115 | 169,139 | 100.0 | 3,197 | Yes |
| Drove alone | 110,285 | 76.6 | 1,078 | 136,723 | 79.9 | 2,366 | 132,293 | 78.2 | 3,278 | Yes |
| 2-person Carpool | 13,765 | 9.6 | 464 | 12,296 | 7.2 | 1,242 | 11,629 | 6.9 | 1,104 | Yes |
| 3-or-more-person Carpool | 4,700 | 3.3 | 275 | 3,640 | 2.1 | 705 | 3,574 | 2.1 | 791 | Yes |
| Transit | 2,713 | 1.9 | 210 | 3,423 | 2.0 | 628 | 3,599 | 2.1 | 725 | Yes |
| Bike | 950 | 0.7 | 125 | 1,351 | 0.8 | 417 | 2,407 | 1.4 | 508 | Yes |
| Walked | 5,055 | 3.5 | 285 | 4,330 | 2.5 | 654 | 5,849 | 3.5 | 738 | Yes |
| Taxi, Motorcycle and Other means | 2,590 | 1.8 | 205 | 2,818 | 1.6 | 523 | 1,317 | 0.8 | 299 | Yes |
| Worked at Home | 3,855 | 2.7 | 250 | 6,523 | 3.8 | 703 | 8,471 | 5.0 | 1,182 | 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 | 184,365 | 100.0 | 1,106 | 222,869 | 100.0 | 3,446 | 223,344 | 100.0 | 4,048 | Yes |
| Drove alone | 144,645 | 78.5 | 1,124 | 181,743 | 81.5 | 3,600 | 180,334 | 80.7 | 3,847 | Yes |
| 2-person Carpool | 18,275 | 9.9 | 531 | 16,552 | 7.4 | 1,557 | 15,294 | 6.8 | 1,207 | Yes |
| 3-or-more-person Carpool | 6,140 | 3.3 | 314 | 5,030 | 2.3 | 778 | 5,083 | 2.3 | 1,089 | No |
| Transit | 2,745 | 1.5 | 211 | 3,933 | 1.8 | 698 | 3,954 | 1.8 | 738 | Yes |
| Bike | 930 | 0.5 | 123 | 1,536 | 0.7 | 469 | 2,456 | 1.1 | 538 | Yes |
| Walked | 5,300 | 2.9 | 292 | 4,405 | 2.0 | 630 | 5,860 | 2.6 | 706 | No |
| Taxi, Motorcycle and Other means | 2,480 | 1.3 | 201 | 3,147 | 1.4 | 593 | 1,892 | 0.8 | 486 | Yes |
| Worked at Home | 3,855 | 2.1 | 250 | 6,523 | 2.9 | 703 | 8,471 | 3.8 | 1,182 | 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) | 22.6 | 0.2 | 22.1 | 0.6 | 22.6 | 0.8 | No |
| Drove alone | 21.7 | 0.2 | 21.4 | 0.6 | 22.3 | 0.9 | No |
| Carpooled | 26.0 | 0.7 | 26.5 | 3.9 | 25.8 | 3.9 | No |
| Transit | 42.0 | 2.7 | 33.6 | 8.9 | 39.7 | 11.6 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 20.1 | 1.2 | 20.0 | 4.1 | 15.8 | 2.9 | Yes |
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
