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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 | 572,059 | -- | 592,047 | -- | 601,723 | 618,777 | -- | -- |
| Persons in Households 2 | 536,373 | 875 | 556,754 | -- | 561,702 | 578,642 | -- | -- |
| Total Households 3 | 248,590 | 737 | 250,365 | 1,613 | 266,707 | 261,567 | 1,666 | Yes |
| Average Number of Persons per Household 4 | 2.16 | 0.02 | 2.22 | 0.01 | 2.11 | 2.21 | 0.01 | Yes |
| Average Household Income 5 | $64,355 | $641 | $92,867 | $2,010 | -- | $99,781 | $2,046 | Yes |
| Average Number of Vehicles per Household 6 | 0.89 | 0.01 | 0.91 | 0.02 | -- | 0.86 | 0.02 | Yes |
| Percent of Persons in Poverty 7 | 20.20 | 0.30 | 17.40 | 0.80 | -- | 18.80 | 0.71 | Yes |
| Percent Minority 8 | 69.40 | 0.30 | 62.70 | 0.39 | 61.50 | 60.10 | 0.36 | Yes |
| Percent of Persons 65 and Over 9 | 12.30 | 0.20 | 11.80 | 0.31 | 11.40 | 11.40 | 0.28 | Yes |
| Percent of Persons Foreign Born 10 | 12.90 | 0.20 | 12.50 | 0.41 | -- | 13.80 | 0.50 | Yes |
| Total Workers at Place of Residence11 | 266,381 | 1,804 | 302,326 | 3,525 | -- | 315,307 | 3,494 | 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 | 260,885 | 100.0 | 1,801 | 293,018 | 100.0 | 3,902 | 310,122 | 100.0 | 3,475 | Yes |
| Drove alone | 100,170 | 38.4 | 1,375 | 109,927 | 37.5 | 3,040 | 105,328 | 34.0 | 2,766 | Yes |
| 2-person Carpool | 21,430 | 8.2 | 687 | 15,164 | 5.2 | 1,592 | 13,627 | 4.4 | 1,152 | Yes |
| 3-or-more-person Carpool | 7,175 | 2.8 | 402 | 4,643 | 1.6 | 850 | 4,825 | 1.6 | 811 | Yes |
| Transit | 84,460 | 32.4 | 1,283 | 105,896 | 36.1 | 2,778 | 119,991 | 38.7 | 3,227 | Yes |
| Bike | 3,035 | 1.2 | 263 | 5,956 | 2.0 | 869 | 11,164 | 3.6 | 1,194 | Yes |
| Walked | 30,785 | 11.8 | 816 | 33,498 | 11.4 | 1,812 | 36,861 | 11.9 | 2,086 | Yes |
| Taxi, Motorcycle and Other means | 3,900 | 1.5 | 298 | 3,527 | 1.2 | 581 | 3,371 | 1.1 | 538 | No |
| Worked at Home | 9,930 | 3.8 | 472 | 14,407 | 4.9 | 1,136 | 14,955 | 4.8 | 1,365 | 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 | 671,680 | 100.0 | -- | 745,526 | 100.0 | 8,406 | 796,601 | 100.0 | 6,663 | -- |
| Drove alone | 310,690 | 46.3 | 1,802 | 327,980 | 44.0 | 6,151 | 346,158 | 43.5 | 5,062 | Yes |
| 2-person Carpool | 73,160 | 10.9 | 1,208 | 55,090 | 7.4 | 2,158 | 56,287 | 7.1 | 2,539 | Yes |
| 3-or-more-person Carpool | 37,310 | 5.6 | 893 | 25,442 | 3.4 | 1,557 | 24,962 | 3.1 | 1,603 | Yes |
| Transit | 197,590 | 29.4 | 1,720 | 272,420 | 36.5 | 4,435 | 293,615 | 36.9 | 5,134 | Yes |
| Bike | 4,075 | 0.6 | 304 | 8,075 | 1.1 | 916 | 13,146 | 1.7 | 1,270 | Yes |
| Walked | 31,670 | 4.7 | 827 | 33,996 | 4.6 | 1,811 | 38,333 | 4.8 | 2,206 | Yes |
| Taxi, Motorcycle and Other means | 7,245 | 1.1 | 404 | 8,116 | 1.1 | 870 | 9,145 | 1.1 | 1,072 | Yes |
| Worked at Home | 9,930 | 1.5 | 472 | 14,407 | 1.9 | 1,136 | 14,955 | 1.9 | 1,365 | 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) | 29.7 | 0.2 | 29.6 | 0.7 | 29.8 | 0.6 | No |
| Drove alone | 26.6 | 0.3 | 26.5 | 1.2 | 26.6 | 1.1 | No |
| Carpooled | 29.0 | 0.7 | 26.3 | 3.7 | 28.9 | 3.6 | No |
| Transit | 38.7 | 0.4 | 37.9 | 1.6 | 37.1 | 1.4 | Yes |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 18.2 | 0.5 | 18.4 | 1.4 | 19.5 | 1.4 | 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
