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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 | 436,141 | -- | 428,996 | -- | 425,790 | 421,871 | -- | -- |
| Persons in Households 2 | 430,777 | 295 | 423,465 | -- | 419,817 | 416,702 | -- | -- |
| Total Households 3 | 170,030 | 454 | 170,515 | 1,610 | 169,202 | 165,651 | 1,483 | Yes |
| Average Number of Persons per Household 4 | 2.53 | 0.01 | 2.48 | 0.02 | 2.48 | 2.52 | 0.02 | No |
| Average Household Income 5 | $53,065 | $454 | $55,637 | $1,069 | -- | $53,293 | $1,131 | No |
| Average Number of Vehicles per Household 6 | 1.73 | 0.01 | 1.69 | 0.03 | -- | 1.68 | 0.03 | Yes |
| Percent of Persons in Poverty 7 | 13.10 | 0.20 | 17.80 | 0.78 | -- | 21.20 | 0.86 | Yes |
| Percent Minority 8 | 24.80 | 0.30 | 23.80 | 0.14 | 25.50 | 25.20 | 0.17 | Yes |
| Percent of Persons 65 and Over 9 | 11.60 | 0.20 | 12.90 | 0.34 | 13.70 | 14.20 | 0.35 | Yes |
| Percent of Persons Foreign Born 10 | 2.10 | 0.10 | 2.50 | 0.25 | -- | 2.30 | 0.19 | No |
| Total Workers at Place of Residence11 | 193,018 | 1,327 | 175,203 | 2,556 | -- | 156,368 | 2,471 | 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 | 187,590 | 100.0 | 1,323 | 166,377 | 100.0 | 2,101 | 153,085 | 100.0 | 2,476 | Yes |
| Drove alone | 158,120 | 84.3 | 1,285 | 141,006 | 84.8 | 2,152 | 130,939 | 85.5 | 2,609 | Yes |
| 2-person Carpool | 15,630 | 8.3 | 497 | 12,029 | 7.2 | 1,063 | 10,104 | 6.6 | 903 | Yes |
| 3-or-more-person Carpool | 4,210 | 2.2 | 261 | 3,728 | 2.2 | 604 | 3,119 | 2.0 | 634 | Yes |
| Transit | 2,239 | 1.2 | 191 | 1,706 | 1.0 | 375 | 1,675 | 1.1 | 434 | Yes |
| Bike | 120 | 0.1 | 44 | 248 | 0.1 | 133 | 244 | 0.2 | 127 | No |
| Walked | 2,305 | 1.2 | 194 | 1,836 | 1.1 | 420 | 1,326 | 0.9 | 265 | Yes |
| Taxi, Motorcycle and Other means | 1,125 | 0.6 | 136 | 1,185 | 0.7 | 302 | 865 | 0.6 | 267 | No |
| Worked at Home | 3,825 | 2.0 | 249 | 4,639 | 2.8 | 659 | 4,813 | 3.1 | 570 | 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 | 174,250 | 100.0 | 1,309 | 151,140 | 100.0 | 2,710 | 140,980 | 100.0 | 2,603 | Yes |
| Drove alone | 149,620 | 85.9 | 1,269 | 130,503 | 86.3 | 2,545 | 121,844 | 86.4 | 2,603 | Yes |
| 2-person Carpool | 12,760 | 7.3 | 450 | 9,496 | 6.3 | 903 | 8,324 | 5.9 | 858 | Yes |
| 3-or-more-person Carpool | 2,705 | 1.6 | 210 | 2,114 | 1.4 | 503 | 2,142 | 1.5 | 503 | Yes |
| Transit | 1,863 | 1.1 | 174 | 1,343 | 0.9 | 309 | 1,581 | 1.1 | 414 | No |
| Bike | 145 | 0.1 | 49 | 274 | 0.2 | 138 | 201 | 0.1 | 111 | No |
| Walked | 2,285 | 1.3 | 193 | 1,651 | 1.1 | 383 | 1,348 | 1.0 | 267 | Yes |
| Taxi, Motorcycle and Other means | 1,045 | 0.6 | 131 | 1,120 | 0.7 | 305 | 727 | 0.5 | 238 | Yes |
| Worked at Home | 3,825 | 2.2 | 249 | 4,639 | 3.1 | 659 | 4,813 | 3.4 | 570 | 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) | 25.6 | 0.2 | 25.5 | 0.7 | 25.7 | 0.8 | No |
| Drove alone | 24.5 | 0.2 | 24.9 | 0.8 | 24.9 | 0.8 | No |
| Carpooled | 32.8 | 0.9 | 31.3 | 3.6 | 32.9 | 4.3 | No |
| Transit | 45.6 | 2.7 | 39.1 | 12.4 | 45.0 | 17.4 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 19.0 | 1.8 | 16.9 | 4.6 | 20.6 | 6.8 | 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
