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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 | 277,569 | -- | 285,031 | 39 | 305,215 | 308,497 | 36 | -- |
| Persons in Households 2 | 272,245 | 292 | 278,656 | -- | 299,575 | 302,214 | -- | -- |
| Total Households 3 | 98,779 | 369 | 104,919 | 1,413 | 112,795 | 110,803 | 1,456 | Yes |
| Average Number of Persons per Household 4 | 2.76 | 0.02 | 2.66 | 0.03 | 2.66 | 2.73 | 0.03 | No |
| Average Household Income 5 | $48,195 | $601 | $59,961 | $1,932 | -- | $63,196 | $2,135 | Yes |
| Average Number of Vehicles per Household 6 | 1.61 | 0.01 | 1.66 | 0.04 | -- | 1.67 | 0.04 | Yes |
| Percent of Persons in Poverty 7 | 17.60 | 0.30 | 18.50 | 1.22 | -- | 18.40 | 1.42 | No |
| Percent Minority 8 | 28.30 | 0.30 | 17.20 | 0.85 | 19.10 | 14.70 | 0.79 | Yes |
| Percent of Persons 65 and Over 9 | 11.10 | 0.20 | 11.00 | 0.44 | 11.90 | 11.90 | 0.45 | Yes |
| Percent of Persons Foreign Born 10 | 6.70 | 0.20 | 7.80 | 0.48 | -- | 7.70 | 0.61 | Yes |
| Total Workers at Place of Residence11 | 121,058 | 1,057 | 133,103 | 2,658 | -- | 141,493 | 2,238 | 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 | 118,870 | 100.0 | 1,055 | 128,649 | 100.0 | 2,539 | 138,082 | 100.0 | 2,196 | Yes |
| Drove alone | 91,235 | 76.8 | 1,001 | 102,232 | 79.5 | 2,465 | 108,105 | 78.3 | 2,360 | Yes |
| 2-person Carpool | 14,360 | 12.1 | 472 | 12,248 | 9.5 | 1,162 | 13,295 | 9.6 | 1,574 | No |
| 3-or-more-person Carpool | 4,270 | 3.6 | 262 | 2,571 | 2.0 | 493 | 3,167 | 2.3 | 720 | Yes |
| Transit | 2,335 | 2.0 | 195 | 1,831 | 1.4 | 387 | 3,070 | 2.2 | 486 | Yes |
| Bike | 290 | 0.2 | 69 | 325 | 0.3 | 139 | 486 | 0.4 | 285 | No |
| Walked | 2,155 | 1.8 | 187 | 2,248 | 1.7 | 821 | 2,621 | 1.9 | 596 | No |
| Taxi, Motorcycle and Other means | 1,630 | 1.4 | 163 | 3,759 | 2.9 | 784 | 3,824 | 2.8 | 730 | Yes |
| Worked at Home | 2,595 | 2.2 | 205 | 3,435 | 2.7 | 504 | 3,514 | 2.5 | 698 | 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 | 127,300 | 100.0 | 1,062 | 140,121 | 100.0 | 3,008 | 148,291 | 100.0 | 2,994 | Yes |
| Drove alone | 97,845 | 76.9 | 1,018 | 112,306 | 80.1 | 2,856 | 117,506 | 79.2 | 2,814 | Yes |
| 2-person Carpool | 15,695 | 12.3 | 492 | 13,213 | 9.4 | 1,229 | 13,858 | 9.3 | 1,603 | Yes |
| 3-or-more-person Carpool | 4,795 | 3.8 | 278 | 2,772 | 2.0 | 520 | 3,293 | 2.2 | 651 | Yes |
| Transit | 2,369 | 1.9 | 196 | 1,951 | 1.4 | 411 | 3,231 | 2.2 | 510 | Yes |
| Bike | 295 | 0.2 | 69 | 325 | 0.2 | 139 | 499 | 0.3 | 287 | No |
| Walked | 2,120 | 1.7 | 186 | 1,820 | 1.3 | 454 | 2,865 | 1.9 | 603 | Yes |
| Taxi, Motorcycle and Other means | 1,590 | 1.2 | 161 | 4,299 | 3.1 | 706 | 3,525 | 2.4 | 673 | Yes |
| Worked at Home | 2,595 | 2.0 | 205 | 3,435 | 2.5 | 504 | 3,514 | 2.4 | 698 | 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) | 19.7 | 0.2 | 18.9 | 0.8 | 19.1 | 0.6 | No |
| Drove alone | 18.9 | 0.2 | 17.9 | 0.7 | 18.6 | 0.7 | No |
| Carpooled | 21.5 | 0.6 | 20.5 | 2.6 | 19.9 | 3.3 | No |
| Transit | 38.6 | 2.9 | 54.1 | 19.0 | 39.7 | 10.2 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 19.0 | 1.6 | 20.5 | 6.7 | 16.2 | 3.6 | 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
