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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 | 873,341 | -- | 955,592 | -- | 971,777 | 990,787 | -- | -- |
| Persons in Households 2 | 863,876 | 498 | 946,067 | -- | 962,877 | 982,247 | -- | -- |
| Total Households 3 | 324,940 | 500 | 343,423 | 1,959 | 357,086 | 359,995 | 1,461 | Yes |
| Average Number of Persons per Household 4 | 2.66 | 0.01 | 2.75 | 0.01 | 2.70 | 2.73 | 0.01 | Yes |
| Average Household Income 5 | $95,080 | $669 | $126,336 | $1,833 | -- | $126,927 | $1,641 | Yes |
| Average Number of Vehicles per Household 6 | 1.73 | 0.01 | 1.77 | 0.02 | -- | 1.76 | 0.02 | Yes |
| Percent of Persons in Poverty 7 | 5.40 | 0.10 | 5.90 | 0.43 | -- | 6.90 | 0.42 | Yes |
| Percent Minority 8 | 35.30 | 0.30 | 40.60 | 0.52 | 42.50 | 43.00 | 0.47 | Yes |
| Percent of Persons 65 and Over 9 | 11.20 | 0.20 | 12.10 | 0.23 | 12.30 | 12.60 | 0.24 | Yes |
| Percent of Persons Foreign Born 10 | 26.70 | 0.20 | 30.30 | 0.55 | -- | 32.20 | 0.41 | Yes |
| Total Workers at Place of Residence11 | 462,096 | 2,402 | 524,583 | 3,886 | -- | 529,853 | 3,416 | 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 | 455,330 | 100.0 | 2,404 | 503,937 | 100.0 | 3,545 | 518,587 | 100.0 | 3,030 | Yes |
| Drove alone | 313,935 | 68.9 | 2,309 | 335,108 | 66.5 | 4,464 | 337,659 | 65.1 | 4,176 | Yes |
| 2-person Carpool | 39,130 | 8.6 | 996 | 38,944 | 7.7 | 2,348 | 41,527 | 8.0 | 2,545 | No |
| 3-or-more-person Carpool | 10,670 | 2.3 | 529 | 11,157 | 2.2 | 1,218 | 12,341 | 2.4 | 1,335 | Yes |
| Transit | 56,910 | 12.5 | 1,188 | 75,416 | 15.0 | 2,682 | 80,693 | 15.6 | 2,695 | Yes |
| Bike | 1,230 | 0.3 | 180 | 1,992 | 0.4 | 469 | 2,258 | 0.4 | 372 | Yes |
| Walked | 8,805 | 1.9 | 481 | 11,549 | 2.3 | 1,089 | 10,977 | 2.1 | 1,132 | Yes |
| Taxi, Motorcycle and Other means | 2,715 | 0.6 | 268 | 3,558 | 0.7 | 569 | 3,831 | 0.7 | 575 | Yes |
| Worked at Home | 21,935 | 4.8 | 753 | 26,213 | 5.2 | 1,381 | 29,301 | 5.7 | 1,417 | 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 | 420,875 | 100.0 | 2,405 | 473,924 | 100.0 | 5,296 | 481,633 | 100.0 | 6,011 | Yes |
| Drove alone | 308,215 | 73.2 | 2,300 | 337,362 | 71.2 | 4,806 | 338,885 | 70.4 | 5,909 | Yes |
| 2-person Carpool | 37,280 | 8.9 | 973 | 39,553 | 8.3 | 2,283 | 40,063 | 8.3 | 2,374 | Yes |
| 3-or-more-person Carpool | 10,890 | 2.6 | 534 | 11,034 | 2.3 | 1,164 | 12,245 | 2.5 | 1,310 | No |
| Transit | 30,105 | 7.2 | 878 | 43,914 | 9.3 | 2,107 | 45,536 | 9.5 | 2,279 | Yes |
| Bike | 935 | 0.2 | 157 | 1,293 | 0.3 | 381 | 1,530 | 0.3 | 360 | Yes |
| Walked | 8,880 | 2.1 | 483 | 11,451 | 2.4 | 1,215 | 10,727 | 2.2 | 1,011 | Yes |
| Taxi, Motorcycle and Other means | 2,635 | 0.6 | 264 | 3,104 | 0.7 | 604 | 3,346 | 0.7 | 531 | Yes |
| Worked at Home | 21,935 | 5.2 | 753 | 26,213 | 5.5 | 1,381 | 29,301 | 6.1 | 1,417 | 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) | 32.8 | 0.2 | 33.3 | 0.5 | 34.3 | 0.5 | Yes |
| Drove alone | 30.1 | 0.2 | 30.0 | 0.7 | 30.8 | 0.7 | No |
| Carpooled | 33.8 | 0.6 | 34.1 | 2.9 | 33.9 | 2.9 | No |
| Transit | 49.4 | 0.6 | 49.7 | 2.7 | 52.2 | 2.6 | Yes |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 22.4 | 1.3 | 21.6 | 3.2 | 20.5 | 2.7 | 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
