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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 | 259,903 | -- | 303,296 | -- | 316,236 | 320,514 | -- | -- |
| Persons in Households 2 | 255,671 | 309 | 298,971 | -- | 311,585 | 316,183 | -- | -- |
| Total Households 3 | 93,807 | 293 | 110,887 | 887 | 115,680 | 112,630 | 966 | Yes |
| Average Number of Persons per Household 4 | 2.73 | 0.02 | 2.70 | 0.02 | 2.69 | 2.81 | 0.02 | Yes |
| Average Household Income 5 | $69,560 | $825 | $86,325 | $1,688 | -- | $87,326 | $1,937 | Yes |
| Average Number of Vehicles per Household 6 | 2.06 | 0.02 | 2.13 | 0.03 | -- | 2.09 | 0.03 | No |
| Percent of Persons in Poverty 7 | 4.50 | 0.20 | 5.70 | 0.66 | -- | 6.60 | 0.72 | Yes |
| Percent Minority 8 | 23.50 | 0.40 | 28.20 | 0.34 | 31.70 | 29.90 | 0.37 | Yes |
| Percent of Persons 65 and Over 9 | 8.10 | 0.30 | 7.80 | 0.27 | 10.40 | 11.00 | 0.36 | Yes |
| Percent of Persons Foreign Born 10 | 5.20 | 0.20 | 7.50 | 0.45 | -- | 8.20 | 0.43 | Yes |
| Total Workers at Place of Residence11 | 136,346 | 1,217 | 163,432 | 2,127 | -- | 158,055 | 1,990 | 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 | 134,315 | 100.0 | 1,218 | 156,094 | 100.0 | 1,729 | 155,050 | 100.0 | 1,966 | Yes |
| Drove alone | 115,300 | 85.8 | 1,211 | 133,541 | 85.6 | 1,968 | 131,419 | 84.8 | 2,275 | Yes |
| 2-person Carpool | 10,190 | 7.6 | 473 | 10,965 | 7.0 | 961 | 9,240 | 6.0 | 1,040 | No |
| 3-or-more-person Carpool | 2,545 | 1.9 | 240 | 2,599 | 1.7 | 481 | 3,393 | 2.2 | 700 | Yes |
| Transit | 300 | 0.2 | 83 | 780 | 0.5 | 204 | 1,444 | 0.9 | 402 | Yes |
| Bike | 50 | 0.0 | 34 | 0 | 0.0 | 165 | 259 | 0.2 | 159 | Yes |
| Walked | 1,015 | 0.8 | 152 | 1,031 | 0.7 | 313 | 907 | 0.6 | 259 | No |
| Taxi, Motorcycle and Other means | 770 | 0.6 | 132 | 826 | 0.5 | 205 | 946 | 0.6 | 280 | No |
| Worked at Home | 4,150 | 3.1 | 306 | 6,352 | 4.1 | 762 | 7,442 | 4.8 | 784 | 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 | 101,205 | 100.0 | 1,189 | 115,296 | 100.0 | 2,795 | 113,977 | 100.0 | 3,336 | Yes |
| Drove alone | 85,075 | 84.1 | 1,144 | 96,103 | 83.4 | 2,574 | 94,395 | 82.8 | 2,895 | Yes |
| 2-person Carpool | 7,880 | 7.8 | 418 | 8,440 | 7.3 | 977 | 7,238 | 6.4 | 912 | No |
| 3-or-more-person Carpool | 1,990 | 2.0 | 212 | 2,511 | 2.2 | 542 | 2,844 | 2.5 | 839 | No |
| Transit | 400 | 0.4 | 96 | 429 | 0.4 | 252 | 318 | 0.3 | 125 | No |
| Bike | 45 | 0.0 | 32 | 36 | 0.0 | 40 | 265 | 0.2 | 161 | Yes |
| Walked | 900 | 0.9 | 143 | 938 | 0.8 | 266 | 743 | 0.7 | 243 | No |
| Taxi, Motorcycle and Other means | 770 | 0.8 | 132 | 487 | 0.4 | 176 | 732 | 0.6 | 250 | No |
| Worked at Home | 4,150 | 4.1 | 306 | 6,352 | 5.5 | 762 | 7,442 | 6.5 | 784 | 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) | 26.1 | 0.3 | 24.9 | 0.6 | 25.5 | 0.7 | No |
| Drove alone | 25.7 | 0.3 | 24.6 | 0.7 | 25.0 | 0.8 | No |
| Carpooled | 29.9 | 1.1 | 26.7 | 3.4 | 30.0 | 5.0 | No |
| Transit | 50.9 | 10.3 | 51.4 | 22.6 | 30.9 | 12.5 | Yes |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 21.8 | 3.2 | 24.8 | 9.9 | 25.4 | 9.1 | 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
