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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 | 969,749 | -- | 1,020,846 | -- | 1,081,726 | 1,103,177 | -- | -- |
| Persons in Households 2 | 959,416 | 483 | 1,012,810 | -- | 1,072,436 | 1,094,649 | -- | -- |
| Total Households 3 | 351,279 | 426 | 369,024 | 1,812 | 391,627 | 390,130 | 1,582 | Yes |
| Average Number of Persons per Household 4 | 2.73 | 0.01 | 2.74 | 0.01 | 2.74 | 2.81 | 0.01 | Yes |
| Average Household Income 5 | $100,915 | $585 | $130,872 | $1,448 | -- | $137,620 | $1,666 | Yes |
| Average Number of Vehicles per Household 6 | 1.91 | 0.01 | 1.97 | 0.02 | -- | 1.95 | 0.02 | Yes |
| Percent of Persons in Poverty 7 | 4.50 | 0.10 | 5.20 | 0.39 | -- | 6.10 | 0.46 | Yes |
| Percent Minority 8 | 30.30 | 0.20 | 33.90 | 0.37 | 37.30 | 37.10 | 0.42 | Yes |
| Percent of Persons 65 and Over 9 | 7.80 | 0.10 | 9.50 | 0.19 | 9.80 | 10.20 | 0.21 | Yes |
| Percent of Persons Foreign Born 10 | 24.50 | 0.20 | 27.60 | 0.46 | -- | 29.70 | 0.39 | Yes |
| Total Workers at Place of Residence11 | 534,850 | 2,342 | 571,891 | 4,186 | -- | 602,716 | 3,449 | 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 | 527,465 | 100.0 | 2,345 | 550,605 | 100.0 | 3,404 | 590,651 | 100.0 | 3,193 | Yes |
| Drove alone | 387,225 | 73.4 | 2,306 | 401,624 | 72.9 | 3,877 | 426,688 | 72.2 | 4,291 | Yes |
| 2-person Carpool | 46,855 | 8.9 | 1,010 | 44,034 | 8.0 | 1,980 | 43,505 | 7.4 | 2,664 | Yes |
| 3-or-more-person Carpool | 22,040 | 4.2 | 702 | 14,928 | 2.7 | 1,375 | 14,744 | 2.5 | 1,784 | Yes |
| Transit | 37,530 | 7.1 | 908 | 48,383 | 8.8 | 1,733 | 54,507 | 9.2 | 2,569 | Yes |
| Bike | 670 | 0.1 | 124 | 1,317 | 0.2 | 301 | 1,543 | 0.3 | 368 | Yes |
| Walked | 6,965 | 1.3 | 398 | 9,647 | 1.8 | 1,148 | 12,091 | 2.0 | 1,602 | Yes |
| Taxi, Motorcycle and Other means | 4,155 | 0.8 | 308 | 4,912 | 0.9 | 752 | 6,625 | 1.1 | 854 | Yes |
| Worked at Home | 22,025 | 4.2 | 702 | 25,760 | 4.7 | 1,423 | 30,948 | 5.2 | 1,796 | 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 | 506,270 | 100.0 | 2,352 | 565,419 | 100.0 | 6,629 | 590,923 | 100.0 | 7,167 | Yes |
| Drove alone | 406,510 | 80.3 | 2,324 | 457,071 | 80.8 | 5,885 | 469,793 | 79.5 | 6,487 | Yes |
| 2-person Carpool | 41,135 | 8.1 | 949 | 39,365 | 7.0 | 1,994 | 40,747 | 6.9 | 2,597 | No |
| 3-or-more-person Carpool | 13,360 | 2.6 | 549 | 12,507 | 2.2 | 1,246 | 11,866 | 2.0 | 1,371 | Yes |
| Transit | 11,915 | 2.4 | 519 | 15,801 | 2.8 | 1,346 | 19,170 | 3.2 | 1,836 | Yes |
| Bike | 525 | 0.1 | 110 | 1,036 | 0.2 | 251 | 1,208 | 0.2 | 330 | Yes |
| Walked | 6,870 | 1.4 | 395 | 9,391 | 1.7 | 1,150 | 11,586 | 2.0 | 1,629 | Yes |
| Taxi, Motorcycle and Other means | 3,940 | 0.8 | 300 | 4,488 | 0.8 | 664 | 5,605 | 0.9 | 807 | Yes |
| Worked at Home | 22,025 | 4.4 | 702 | 25,760 | 4.6 | 1,423 | 30,948 | 5.2 | 1,796 | 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) | 30.7 | 0.2 | 30.8 | 0.4 | 32.3 | 0.4 | Yes |
| Drove alone | 28.4 | 0.2 | 28.4 | 0.5 | 30.0 | 0.5 | Yes |
| Carpooled | 33.9 | 0.4 | 33.1 | 2.2 | 33.7 | 2.7 | No |
| Transit | 50.9 | 0.7 | 51.4 | 2.7 | 51.6 | 3.7 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 25.1 | 1.4 | 21.9 | 3.2 | 23.5 | 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
