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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 | 280,843 | -- | 279,914 | -- | 280,566 | 280,794 | -- | -- |
| Persons in Households 2 | 266,867 | 466 | 265,568 | -- | 267,691 | 268,303 | -- | -- |
| Total Households 3 | 106,488 | 346 | 107,083 | 1,284 | 110,413 | 109,522 | 1,138 | Yes |
| Average Number of Persons per Household 4 | 2.51 | 0.02 | 2.48 | 0.03 | 2.42 | 2.45 | 0.02 | Yes |
| Average Household Income 5 | $46,005 | $522 | $56,746 | $1,458 | -- | $58,689 | $1,513 | Yes |
| Average Number of Vehicles per Household 6 | 1.59 | 0.01 | 1.62 | 0.03 | -- | 1.59 | 0.03 | No |
| Percent of Persons in Poverty 7 | 12.00 | 0.30 | 15.10 | 1.03 | -- | 16.60 | 0.99 | Yes |
| Percent Minority 8 | 9.30 | 0.20 | 10.00 | 0.25 | 11.80 | 11.70 | 0.24 | Yes |
| Percent of Persons 65 and Over 9 | 14.30 | 0.30 | 14.50 | 0.43 | 14.60 | 14.70 | 0.43 | No |
| Percent of Persons Foreign Born 10 | 2.70 | 0.10 | 3.60 | 0.42 | -- | 4.10 | 0.40 | Yes |
| Total Workers at Place of Residence11 | 129,473 | 1,069 | 129,684 | 2,002 | -- | 127,353 | 1,941 | No |
| 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 | 126,795 | 100.0 | 1,067 | 125,760 | 100.0 | 2,042 | 125,385 | 100.0 | 1,948 | No |
| Drove alone | 101,300 | 79.9 | 1,030 | 101,101 | 80.4 | 2,152 | 101,832 | 81.2 | 1,793 | No |
| 2-person Carpool | 11,630 | 9.2 | 427 | 11,306 | 9.0 | 934 | 9,212 | 7.3 | 822 | Yes |
| 3-or-more-person Carpool | 2,560 | 2.0 | 204 | 1,618 | 1.3 | 352 | 2,062 | 1.6 | 484 | No |
| Transit | 1,670 | 1.3 | 165 | 1,852 | 1.5 | 396 | 2,284 | 1.8 | 418 | Yes |
| Bike | 465 | 0.4 | 87 | 480 | 0.4 | 240 | 233 | 0.2 | 101 | Yes |
| Walked | 5,410 | 4.3 | 295 | 5,139 | 4.1 | 804 | 4,864 | 3.9 | 641 | No |
| Taxi, Motorcycle and Other means | 890 | 0.7 | 121 | 1,157 | 0.9 | 295 | 1,028 | 0.8 | 257 | No |
| Worked at Home | 2,875 | 2.3 | 216 | 3,107 | 2.5 | 524 | 3,870 | 3.1 | 468 | 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? ** |
||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Number | Percent | MOE(+/-)* | Number | Percent | MOE(+/-)* | Number | Percent | MOE(+/-)* | ||
| At Place of Work | ||||||||||
| Total Workers | 131,700 | 100.0 | 1,070 | 129,902 | 100.0 | 1,990 | 130,970 | 100.0 | 2,028 | No |
| Drove alone | 105,535 | 80.1 | 1,039 | 105,085 | 80.9 | 2,078 | 106,564 | 81.4 | 1,918 | No |
| 2-person Carpool | 12,130 | 9.2 | 436 | 11,346 | 8.7 | 911 | 9,543 | 7.3 | 853 | Yes |
| 3-or-more-person Carpool | 2,710 | 2.1 | 210 | 1,754 | 1.4 | 348 | 2,207 | 1.7 | 480 | No |
| Transit | 1,695 | 1.3 | 166 | 1,800 | 1.4 | 397 | 2,242 | 1.7 | 414 | Yes |
| Bike | 455 | 0.3 | 86 | 484 | 0.4 | 240 | 206 | 0.2 | 93 | Yes |
| Walked | 5,465 | 4.1 | 296 | 5,088 | 3.9 | 776 | 5,219 | 4.0 | 690 | No |
| Taxi, Motorcycle and Other means | 840 | 0.6 | 117 | 1,238 | 1.0 | 290 | 1,119 | 0.9 | 261 | No |
| Worked at Home | 2,875 | 2.2 | 216 | 3,107 | 2.4 | 524 | 3,870 | 3.0 | 468 | 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) | 18.5 | 0.2 | 18.8 | 0.6 | 18.9 | 0.6 | No |
| Drove alone | 18.4 | 0.2 | 18.7 | 0.8 | 18.6 | 0.6 | No |
| Carpooled | 20.1 | 0.7 | 20.5 | 2.6 | 20.9 | 2.6 | No |
| Transit | 37.0 | 3.0 | 32.9 | 11.6 | 33.4 | 10.5 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 11.7 | 0.7 | 12.1 | 2.7 | 14.7 | 3.4 | 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
