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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 | 256,082 | -- | 262,329 | -- | 270,056 | 269,786 | -- | -- |
| Persons in Households 2 | 251,208 | 280 | 258,754 | -- | 265,605 | 265,635 | -- | -- |
| Total Households 3 | 96,777 | 341 | 103,261 | 1,368 | 105,045 | 101,778 | 1,276 | Yes |
| Average Number of Persons per Household 4 | 2.60 | 0.02 | 2.51 | 0.03 | 2.53 | 2.61 | 0.03 | No |
| Average Household Income 5 | $49,275 | $571 | $60,827 | $1,564 | -- | $63,389 | $1,423 | Yes |
| Average Number of Vehicles per Household 6 | 1.67 | 0.02 | 1.73 | 0.04 | -- | 1.72 | 0.03 | Yes |
| Percent of Persons in Poverty 7 | 14.50 | 0.30 | 16.60 | 1.13 | -- | 17.70 | 1.06 | Yes |
| Percent Minority 8 | 32.00 | 0.40 | 33.20 | 0.22 | 35.40 | 35.00 | 0.25 | Yes |
| Percent of Persons 65 and Over 9 | 13.10 | 0.30 | 12.50 | 0.45 | 12.50 | 12.80 | 0.45 | No |
| Percent of Persons Foreign Born 10 | 2.10 | 0.10 | 2.50 | 0.32 | -- | 2.70 | 0.26 | Yes |
| Total Workers at Place of Residence11 | 115,319 | 1,019 | 124,235 | 2,156 | -- | 121,875 | 2,022 | 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 | 113,480 | 100.0 | 1,017 | 119,718 | 100.0 | 1,758 | 119,641 | 100.0 | 2,005 | Yes |
| Drove alone | 92,575 | 81.6 | 984 | 97,098 | 81.1 | 2,329 | 97,705 | 81.7 | 2,361 | Yes |
| 2-person Carpool | 9,550 | 8.4 | 388 | 8,910 | 7.4 | 1,314 | 8,112 | 6.8 | 1,078 | Yes |
| 3-or-more-person Carpool | 2,400 | 2.1 | 197 | 2,009 | 1.7 | 434 | 1,836 | 1.5 | 478 | Yes |
| Transit | 3,224 | 2.8 | 228 | 5,120 | 4.3 | 698 | 4,407 | 3.7 | 661 | Yes |
| Bike | 110 | 0.1 | 42 | 535 | 0.4 | 175 | 124 | 0.1 | 75 | No |
| Walked | 2,015 | 1.8 | 181 | 1,780 | 1.5 | 383 | 2,448 | 2.0 | 522 | No |
| Taxi, Motorcycle and Other means | 670 | 0.6 | 105 | 804 | 0.7 | 296 | 1,370 | 1.1 | 390 | Yes |
| Worked at Home | 2,930 | 2.6 | 218 | 3,462 | 2.9 | 553 | 3,639 | 3.0 | 592 | 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 | 96,180 | 100.0 | 992 | 106,446 | 100.0 | 2,563 | 107,455 | 100.0 | 2,626 | Yes |
| Drove alone | 80,200 | 83.4 | 950 | 88,284 | 82.9 | 2,461 | 90,180 | 83.9 | 2,631 | Yes |
| 2-person Carpool | 7,410 | 7.7 | 343 | 8,578 | 8.1 | 1,322 | 7,844 | 7.3 | 988 | No |
| 3-or-more-person Carpool | 1,740 | 1.8 | 168 | 1,538 | 1.4 | 350 | 1,411 | 1.3 | 410 | No |
| Transit | 1,350 | 1.4 | 148 | 1,592 | 1.5 | 331 | 1,218 | 1.1 | 281 | No |
| Bike | 100 | 0.1 | 40 | 495 | 0.5 | 170 | 98 | 0.1 | 80 | No |
| Walked | 1,950 | 2.0 | 178 | 1,621 | 1.5 | 376 | 2,353 | 2.2 | 500 | No |
| Taxi, Motorcycle and Other means | 510 | 0.5 | 91 | 876 | 0.8 | 282 | 712 | 0.7 | 241 | No |
| Worked at Home | 2,930 | 3.0 | 218 | 3,462 | 3.3 | 553 | 3,639 | 3.4 | 592 | 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) | 24.7 | 0.3 | 23.1 | 0.7 | 23.6 | 0.8 | Yes |
| Drove alone | 23.7 | 0.3 | 22.3 | 0.9 | 22.8 | 0.9 | No |
| Carpooled | 26.5 | 0.9 | 22.8 | 4.1 | 21.5 | 3.6 | Yes |
| Transit | 47.8 | 2.4 | 44.1 | 9.2 | 43.8 | 9.7 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 21.7 | 2.5 | 14.2 | 4.4 | 27.8 | 10.6 | 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
