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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 | 247,289 | -- | 248,398 | -- | 252,409 | 254,844 | -- | -- |
| Persons in Households 2 | 235,786 | 539 | 239,417 | -- | 243,365 | 245,497 | -- | -- |
| Total Households 3 | 100,736 | 329 | 101,042 | 979 | 103,210 | 102,286 | 988 | Yes |
| Average Number of Persons per Household 4 | 2.34 | 0.02 | 2.37 | 0.02 | 2.36 | 2.40 | 0.02 | Yes |
| Average Household Income 5 | $108,755 | $1,403 | $126,105 | $3,656 | -- | $131,226 | $3,646 | Yes |
| Average Number of Vehicles per Household 6 | 1.79 | 0.02 | 1.84 | 0.03 | -- | 1.82 | 0.04 | No |
| Percent of Persons in Poverty 7 | 6.60 | 0.30 | 5.90 | 0.66 | -- | 8.80 | 1.07 | Yes |
| Percent Minority 8 | 16.00 | 0.40 | 19.60 | 0.74 | 20.00 | 20.80 | 0.98 | Yes |
| Percent of Persons 65 and Over 9 | 13.50 | 0.40 | 15.80 | 0.55 | 16.70 | 17.50 | 0.59 | Yes |
| Percent of Persons Foreign Born 10 | 16.60 | 0.40 | 18.10 | 0.79 | -- | 19.50 | 0.82 | Yes |
| Total Workers at Place of Residence11 | 129,102 | 1,279 | 128,922 | 2,224 | -- | 124,190 | 1,960 | 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 | 126,645 | 100.0 | 1,280 | 122,438 | 100.0 | 1,851 | 121,105 | 100.0 | 1,973 | Yes |
| Drove alone | 82,900 | 65.5 | 1,209 | 83,185 | 67.9 | 2,262 | 80,259 | 66.3 | 2,297 | Yes |
| 2-person Carpool | 10,915 | 8.6 | 526 | 7,927 | 6.5 | 886 | 8,221 | 6.8 | 1,138 | Yes |
| 3-or-more-person Carpool | 2,680 | 2.1 | 265 | 2,319 | 1.9 | 481 | 3,046 | 2.5 | 659 | No |
| Transit | 12,725 | 10.0 | 566 | 10,431 | 8.5 | 1,109 | 10,014 | 8.3 | 1,096 | Yes |
| Bike | 1,235 | 1.0 | 181 | 1,612 | 1.3 | 491 | 2,072 | 1.7 | 576 | Yes |
| Walked | 3,835 | 3.0 | 316 | 3,555 | 2.9 | 480 | 4,332 | 3.6 | 835 | No |
| Taxi, Motorcycle and Other means | 1,225 | 1.0 | 180 | 1,702 | 1.4 | 545 | 1,050 | 0.9 | 296 | No |
| Worked at Home | 11,125 | 8.8 | 531 | 11,707 | 9.6 | 1,031 | 12,111 | 10.0 | 953 | 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 | 122,645 | 100.0 | 1,280 | 126,030 | 100.0 | 3,047 | 124,829 | 100.0 | 3,001 | No |
| Drove alone | 85,565 | 69.8 | 1,218 | 90,521 | 71.8 | 2,829 | 87,564 | 70.1 | 2,560 | No |
| 2-person Carpool | 12,015 | 9.8 | 551 | 9,554 | 7.6 | 1,002 | 9,845 | 7.9 | 1,240 | Yes |
| 3-or-more-person Carpool | 3,740 | 3.0 | 313 | 3,362 | 2.7 | 655 | 3,649 | 2.9 | 767 | No |
| Transit | 4,280 | 3.5 | 334 | 4,138 | 3.3 | 777 | 4,133 | 3.3 | 783 | No |
| Bike | 1,095 | 0.9 | 170 | 1,413 | 1.1 | 470 | 1,994 | 1.6 | 586 | Yes |
| Walked | 3,835 | 3.1 | 316 | 3,724 | 3.0 | 511 | 4,698 | 3.8 | 843 | No |
| Taxi, Motorcycle and Other means | 995 | 0.8 | 162 | 1,611 | 1.3 | 530 | 835 | 0.7 | 235 | No |
| Worked at Home | 11,125 | 9.1 | 531 | 11,707 | 9.3 | 1,031 | 12,111 | 9.7 | 953 | 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) | 32.3 | 0.4 | 28.5 | 1.0 | 28.4 | 1.0 | Yes |
| Drove alone | 28.9 | 0.5 | 26.2 | 1.1 | 26.1 | 1.2 | Yes |
| Carpooled | 34.6 | 1.2 | 30.5 | 4.1 | 30.7 | 5.2 | No |
| Transit | 56.4 | 1.5 | 49.2 | 7.3 | 49.6 | 7.9 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 23.7 | 2.2 | 21.7 | 6.7 | 20.3 | 4.9 | 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
