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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 | 433,501 | -- | 493,247 | -- | 498,886 | 503,325 | -- | -- |
| Persons in Households 2 | 418,806 | 482 | 477,517 | -- | 485,550 | 488,885 | -- | -- |
| Total Households 3 | 158,025 | 301 | 176,853 | 1,242 | 182,900 | 184,364 | 1,257 | Yes |
| Average Number of Persons per Household 4 | 2.65 | 0.01 | 2.70 | 0.01 | 2.65 | 2.65 | 0.01 | No |
| Average Household Income 5 | $85,045 | $709 | $113,021 | $2,386 | -- | $109,305 | $1,976 | Yes |
| Average Number of Vehicles per Household 6 | 1.87 | 0.01 | 1.95 | 0.02 | -- | 1.93 | 0.02 | Yes |
| Percent of Persons in Poverty 7 | 5.20 | 0.10 | 5.60 | 0.50 | -- | 6.90 | 0.52 | Yes |
| Percent Minority 8 | 10.80 | 0.20 | 12.10 | 0.25 | 14.50 | 12.80 | 0.20 | Yes |
| Percent of Persons 65 and Over 9 | 11.80 | 0.20 | 12.40 | 0.33 | 12.80 | 13.30 | 0.33 | Yes |
| Percent of Persons Foreign Born 10 | 5.50 | 0.10 | 7.90 | 0.31 | -- | 8.70 | 0.31 | Yes |
| Total Workers at Place of Residence11 | 221,417 | 1,332 | 258,932 | 2,601 | -- | 254,804 | 2,347 | 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 | 218,155 | 100.0 | 1,332 | 250,510 | 100.0 | 2,624 | 249,863 | 100.0 | 2,306 | Yes |
| Drove alone | 176,075 | 80.7 | 1,308 | 203,909 | 81.4 | 2,953 | 202,222 | 80.9 | 2,885 | Yes |
| 2-person Carpool | 15,170 | 7.0 | 490 | 15,174 | 6.1 | 1,144 | 12,856 | 5.1 | 1,070 | Yes |
| 3-or-more-person Carpool | 3,555 | 1.6 | 240 | 3,633 | 1.5 | 697 | 2,868 | 1.1 | 558 | Yes |
| Transit | 5,660 | 2.6 | 302 | 6,961 | 2.8 | 991 | 6,817 | 2.7 | 760 | Yes |
| Bike | 185 | 0.1 | 55 | 650 | 0.3 | 229 | 297 | 0.1 | 125 | No |
| Walked | 5,510 | 2.5 | 298 | 5,332 | 2.1 | 720 | 6,776 | 2.7 | 1,001 | Yes |
| Taxi, Motorcycle and Other means | 1,295 | 0.6 | 145 | 1,854 | 0.7 | 406 | 2,124 | 0.9 | 505 | Yes |
| Worked at Home | 10,705 | 4.9 | 413 | 12,997 | 5.2 | 1,005 | 15,903 | 6.4 | 1,162 | 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 | 215,465 | 100.0 | 1,332 | 241,910 | 100.0 | 4,191 | 243,202 | 100.0 | 4,560 | Yes |
| Drove alone | 174,135 | 80.8 | 1,306 | 200,101 | 82.7 | 4,086 | 197,299 | 81.1 | 4,522 | Yes |
| 2-person Carpool | 16,585 | 7.7 | 511 | 14,439 | 6.0 | 1,194 | 14,279 | 5.9 | 1,158 | Yes |
| 3-or-more-person Carpool | 4,230 | 2.0 | 262 | 4,131 | 1.7 | 711 | 3,606 | 1.5 | 640 | No |
| Transit | 2,735 | 1.3 | 211 | 3,359 | 1.4 | 648 | 3,267 | 1.3 | 648 | No |
| Bike | 170 | 0.1 | 53 | 398 | 0.2 | 148 | 369 | 0.2 | 152 | Yes |
| Walked | 5,590 | 2.6 | 301 | 5,258 | 2.2 | 728 | 6,543 | 2.7 | 984 | No |
| Taxi, Motorcycle and Other means | 1,320 | 0.6 | 147 | 1,227 | 0.5 | 282 | 1,936 | 0.8 | 466 | Yes |
| Worked at Home | 10,705 | 5.0 | 413 | 12,997 | 5.4 | 1,005 | 15,903 | 6.5 | 1,162 | 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) | 27.5 | 0.2 | 27.9 | 0.6 | 27.4 | 0.5 | No |
| Drove alone | 26.9 | 0.2 | 27.1 | 0.7 | 27.0 | 0.6 | No |
| Carpooled | 26.5 | 0.7 | 29.4 | 3.3 | 25.4 | 3.1 | No |
| Transit | 61.7 | 1.7 | 61.0 | 12.4 | 61.2 | 9.3 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 16.9 | 1.3 | 18.5 | 3.8 | 14.2 | 3.1 | 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