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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 | 275,936 | -- | 316,249 | 72 | 325,078 | 332,532 | 179 | -- |
| Persons in Households 2 | 273,857 | 201 | 313,351 | -- | 322,522 | 330,376 | -- | -- |
| Total Households 3 | 105,526 | 259 | 119,393 | 1,417 | 121,901 | 121,540 | 1,464 | Yes |
| Average Number of Persons per Household 4 | 2.60 | 0.01 | 2.62 | 0.03 | 2.65 | 2.72 | 0.03 | Yes |
| Average Household Income 5 | $54,875 | $562 | $58,643 | $1,439 | -- | $64,153 | $1,948 | Yes |
| Average Number of Vehicles per Household 6 | 1.73 | 0.02 | 1.70 | 0.03 | -- | 1.73 | 0.03 | No |
| Percent of Persons in Poverty 7 | 8.90 | 0.20 | 17.20 | 1.33 | -- | 16.40 | 1.17 | Yes |
| Percent Minority 8 | 31.10 | 0.40 | 31.40 | 1.00 | 38.90 | 34.40 | 0.99 | Yes |
| Percent of Persons 65 and Over 9 | 7.40 | 0.20 | 9.70 | 0.42 | 8.90 | 9.30 | 0.39 | Yes |
| Percent of Persons Foreign Born 10 | 16.20 | 0.30 | 20.20 | 0.86 | -- | 21.00 | 0.80 | Yes |
| Total Workers at Place of Residence11 | 145,067 | 1,158 | 161,985 | 3,160 | -- | 160,157 | 2,420 | 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 | 142,135 | 100.0 | 1,159 | 154,250 | 100.0 | 2,171 | 156,728 | 100.0 | 2,475 | Yes |
| Drove alone | 109,045 | 76.7 | 1,134 | 118,557 | 76.9 | 2,433 | 119,357 | 76.2 | 2,608 | Yes |
| 2-person Carpool | 15,490 | 10.9 | 534 | 12,971 | 8.4 | 1,085 | 12,857 | 8.2 | 1,218 | Yes |
| 3-or-more-person Carpool | 4,260 | 3.0 | 286 | 4,288 | 2.8 | 761 | 5,620 | 3.6 | 995 | Yes |
| Transit | 5,845 | 4.1 | 334 | 8,710 | 5.6 | 1,108 | 9,450 | 6.0 | 963 | Yes |
| Bike | 240 | 0.2 | 68 | 410 | 0.3 | 168 | 682 | 0.4 | 237 | Yes |
| Walked | 1,990 | 1.4 | 196 | 2,028 | 1.3 | 433 | 2,678 | 1.7 | 548 | Yes |
| Taxi, Motorcycle and Other means | 930 | 0.7 | 134 | 2,077 | 1.3 | 418 | 1,198 | 0.8 | 271 | No |
| Worked at Home | 4,330 | 3.0 | 288 | 5,209 | 3.4 | 627 | 4,886 | 3.1 | 609 | No |
| 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 | 91,530 | 100.0 | 1,092 | 113,305 | 100.0 | 3,018 | 119,940 | 100.0 | 3,577 | Yes |
| Drove alone | 70,800 | 77.4 | 1,013 | 89,957 | 79.4 | 2,420 | 96,551 | 80.5 | 2,943 | Yes |
| 2-person Carpool | 9,060 | 9.9 | 413 | 7,984 | 7.0 | 892 | 8,429 | 7.0 | 940 | No |
| 3-or-more-person Carpool | 2,310 | 2.5 | 211 | 2,541 | 2.2 | 575 | 2,263 | 1.9 | 603 | No |
| Transit | 2,210 | 2.4 | 207 | 4,014 | 3.5 | 864 | 3,851 | 3.2 | 749 | Yes |
| Bike | 240 | 0.3 | 68 | 367 | 0.3 | 135 | 847 | 0.7 | 280 | Yes |
| Walked | 1,995 | 2.2 | 196 | 1,980 | 1.7 | 429 | 2,427 | 2.0 | 522 | No |
| Taxi, Motorcycle and Other means | 580 | 0.6 | 106 | 1,253 | 1.1 | 349 | 686 | 0.6 | 265 | No |
| Worked at Home | 4,330 | 4.7 | 288 | 5,209 | 4.6 | 627 | 4,886 | 4.1 | 609 | No |
| 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) | 27.2 | 0.3 | 28.2 | 0.8 | 28.3 | 0.9 | Yes |
| Drove alone | 25.4 | 0.2 | 26.1 | 0.9 | 25.6 | 0.9 | No |
| Carpooled | 29.9 | 0.8 | 29.9 | 3.8 | 34.7 | 5.0 | No |
| Transit | 50.8 | 1.8 | 51.2 | 9.0 | 52.8 | 7.9 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 29.3 | 2.8 | 32.0 | 8.2 | 21.1 | 4.7 | 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
