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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 | 948,816 | -- | 1,025,760 | -- | 1,049,025 | 1,066,333 | -- | -- |
| Persons in Households 2 | 937,440 | 546 | 1,014,395 | -- | 1,038,711 | 1,055,555 | -- | -- |
| Total Households 3 | 344,422 | 511 | 366,283 | 2,054 | 375,364 | 374,552 | 1,746 | Yes |
| Average Number of Persons per Household 4 | 2.72 | 0.01 | 2.77 | 0.01 | 2.77 | 2.82 | 0.01 | Yes |
| Average Household Income 5 | $83,675 | $610 | $101,740 | $1,679 | -- | $102,405 | $1,629 | Yes |
| Average Number of Vehicles per Household 6 | 1.88 | 0.01 | 1.96 | 0.02 | -- | 1.95 | 0.02 | Yes |
| Percent of Persons in Poverty 7 | 7.60 | 0.10 | 9.40 | 0.52 | -- | 10.80 | 0.59 | Yes |
| Percent Minority 8 | 34.70 | 0.30 | 36.50 | 0.44 | 41.40 | 36.40 | 0.49 | Yes |
| Percent of Persons 65 and Over 9 | 11.30 | 0.20 | 12.00 | 0.25 | 12.40 | 12.90 | 0.25 | Yes |
| Percent of Persons Foreign Born 10 | 19.00 | 0.20 | 23.50 | 0.38 | -- | 23.40 | 0.45 | Yes |
| Total Workers at Place of Residence11 | 451,989 | 2,505 | 494,614 | 4,156 | -- | 487,795 | 3,506 | 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 | 442,010 | 100.0 | 2,502 | 471,511 | 100.0 | 3,937 | 473,103 | 100.0 | 3,814 | Yes |
| Drove alone | 310,285 | 70.2 | 2,353 | 330,932 | 70.2 | 4,138 | 330,790 | 69.9 | 4,146 | Yes |
| 2-person Carpool | 42,080 | 9.5 | 1,033 | 42,243 | 9.0 | 1,856 | 40,707 | 8.6 | 2,149 | No |
| 3-or-more-person Carpool | 17,690 | 4.0 | 679 | 14,129 | 3.0 | 1,297 | 15,031 | 3.2 | 1,525 | Yes |
| Transit | 39,260 | 8.9 | 999 | 42,871 | 9.1 | 2,240 | 43,109 | 9.1 | 2,143 | Yes |
| Bike | 2,085 | 0.5 | 235 | 2,801 | 0.6 | 605 | 2,472 | 0.5 | 547 | No |
| Walked | 6,630 | 1.5 | 418 | 8,878 | 1.9 | 1,106 | 7,007 | 1.5 | 955 | No |
| Taxi, Motorcycle and Other means | 5,005 | 1.1 | 363 | 4,841 | 1.0 | 720 | 5,525 | 1.2 | 876 | No |
| Worked at Home | 18,975 | 4.3 | 702 | 24,816 | 5.3 | 1,495 | 28,462 | 6.0 | 2,327 | 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 | 338,410 | 100.0 | 2,403 | 372,340 | 100.0 | 5,298 | 362,990 | 100.0 | 5,125 | Yes |
| Drove alone | 256,645 | 75.8 | 2,228 | 280,381 | 75.3 | 4,843 | 272,660 | 75.1 | 4,486 | Yes |
| 2-person Carpool | 31,260 | 9.2 | 895 | 32,178 | 8.6 | 1,984 | 30,745 | 8.5 | 2,003 | No |
| 3-or-more-person Carpool | 11,200 | 3.3 | 542 | 8,633 | 2.3 | 855 | 9,224 | 2.5 | 980 | Yes |
| Transit | 8,965 | 2.6 | 485 | 11,734 | 3.2 | 1,305 | 9,536 | 2.6 | 1,085 | No |
| Bike | 1,870 | 0.6 | 222 | 2,517 | 0.7 | 599 | 2,200 | 0.6 | 498 | No |
| Walked | 6,530 | 1.9 | 415 | 8,605 | 2.3 | 1,053 | 6,613 | 1.8 | 911 | No |
| Taxi, Motorcycle and Other means | 2,970 | 0.9 | 280 | 3,476 | 0.9 | 583 | 3,550 | 1.0 | 602 | No |
| Worked at Home | 18,975 | 5.6 | 702 | 24,816 | 6.7 | 1,495 | 28,462 | 7.8 | 2,327 | 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) | 34.4 | 0.3 | 31.9 | 0.5 | 33.3 | 0.6 | Yes |
| Drove alone | 31.0 | 0.3 | 28.4 | 0.6 | 29.9 | 0.6 | Yes |
| Carpooled | 38.6 | 0.7 | 35.2 | 2.2 | 36.8 | 3.0 | No |
| Transit | 57.4 | 0.8 | 57.5 | 4.5 | 57.1 | 4.1 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 27.3 | 1.5 | 25.1 | 4.2 | 28.9 | 5.2 | 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
