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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 | 1,443,741 | -- | 1,470,276 | -- | 1,510,271 | 1,533,311 | -- | -- |
| Persons in Households 2 | 1,416,090 | 848 | 1,437,772 | -- | 1,472,829 | 1,501,158 | -- | -- |
| Total Households 3 | 523,787 | 649 | 518,646 | 3,072 | 545,138 | 543,175 | 2,467 | Yes |
| Average Number of Persons per Household 4 | 2.70 | 0.01 | 2.77 | 0.01 | 2.70 | 2.76 | 0.01 | Yes |
| Average Household Income 5 | $72,630 | $452 | $90,794 | $1,160 | -- | $94,393 | $1,065 | Yes |
| Average Number of Vehicles per Household 6 | 1.69 | 0.01 | 1.76 | 0.02 | -- | 1.73 | 0.02 | Yes |
| Percent of Persons in Poverty 7 | 11.00 | 0.10 | 10.80 | 0.45 | -- | 13.20 | 0.42 | Yes |
| Percent Minority 8 | 51.30 | 0.20 | 52.70 | 0.35 | 57.00 | 54.10 | 0.35 | Yes |
| Percent of Persons 65 and Over 9 | 10.20 | 0.10 | 10.80 | 0.21 | 11.10 | 11.50 | 0.18 | Yes |
| Percent of Persons Foreign Born 10 | 27.20 | 0.20 | 30.40 | 0.37 | -- | 30.70 | 0.36 | Yes |
| Total Workers at Place of Residence11 | 694,194 | 3,092 | 737,840 | 4,988 | -- | 725,254 | 4,331 | 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 | 678,910 | 100.0 | 3,088 | 700,036 | 100.0 | 4,683 | 680,849 | 100.0 | 4,819 | No |
| Drove alone | 450,495 | 66.4 | 2,867 | 463,893 | 66.3 | 4,351 | 444,892 | 65.3 | 5,383 | No |
| 2-person Carpool | 66,110 | 9.7 | 1,293 | 53,542 | 7.6 | 2,607 | 52,448 | 7.7 | 2,167 | Yes |
| 3-or-more-person Carpool | 27,540 | 4.1 | 846 | 19,260 | 2.8 | 1,521 | 18,107 | 2.7 | 1,326 | Yes |
| Transit | 71,645 | 10.6 | 1,344 | 80,342 | 11.5 | 2,582 | 81,569 | 12.0 | 2,605 | Yes |
| Bike | 8,385 | 1.2 | 470 | 10,649 | 1.5 | 950 | 12,473 | 1.8 | 1,097 | Yes |
| Walked | 21,920 | 3.2 | 757 | 24,946 | 3.6 | 1,736 | 24,994 | 3.7 | 1,584 | Yes |
| Taxi, Motorcycle and Other means | 8,870 | 1.3 | 484 | 12,779 | 1.8 | 1,300 | 8,223 | 1.2 | 828 | No |
| Worked at Home | 23,940 | 3.5 | 790 | 34,625 | 4.9 | 1,859 | 38,143 | 5.6 | 1,632 | 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 | 683,955 | 100.0 | 3,090 | 701,289 | 100.0 | 6,315 | 680,604 | 100.0 | 7,138 | No |
| Drove alone | 483,640 | 70.7 | 2,920 | 495,622 | 70.7 | 5,786 | 475,922 | 69.9 | 6,116 | Yes |
| 2-person Carpool | 68,205 | 10.0 | 1,313 | 54,560 | 7.8 | 2,459 | 53,502 | 7.9 | 2,575 | Yes |
| 3-or-more-person Carpool | 24,175 | 3.5 | 794 | 16,666 | 2.4 | 1,339 | 16,463 | 2.4 | 1,348 | Yes |
| Transit | 45,815 | 6.7 | 1,085 | 53,227 | 7.6 | 2,345 | 52,036 | 7.6 | 1,860 | Yes |
| Bike | 8,470 | 1.2 | 473 | 10,627 | 1.5 | 935 | 12,225 | 1.8 | 1,053 | Yes |
| Walked | 21,795 | 3.2 | 754 | 24,138 | 3.4 | 1,655 | 24,344 | 3.6 | 1,556 | Yes |
| Taxi, Motorcycle and Other means | 7,910 | 1.2 | 457 | 11,824 | 1.7 | 1,133 | 7,969 | 1.2 | 824 | No |
| Worked at Home | 23,940 | 3.5 | 790 | 34,625 | 4.9 | 1,859 | 38,143 | 5.6 | 1,632 | 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) | 30.8 | 0.2 | 28.3 | 0.4 | 28.6 | 0.4 | Yes |
| Drove alone | 28.7 | 0.2 | 25.7 | 0.5 | 25.9 | 0.5 | Yes |
| Carpooled | 32.5 | 0.5 | 29.9 | 1.8 | 29.8 | 1.6 | Yes |
| Transit | 47.2 | 0.6 | 46.6 | 2.3 | 47.1 | 2.1 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 20.6 | 0.6 | 21.0 | 1.6 | 19.8 | 1.5 | 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
