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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 | 649,845 | -- | 677,586 | 79 | 646,889 | 651,363 | 75 | -- |
| Persons in Households 2 | 632,622 | 619 | 661,204 | -- | 630,353 | 635,483 | -- | -- |
| Total Households 3 | 250,907 | 663 | 257,306 | 2,381 | 250,344 | 244,775 | 2,119 | Yes |
| Average Number of Persons per Household 4 | 2.52 | 0.02 | 2.57 | 0.02 | 2.52 | 2.60 | 0.02 | Yes |
| Average Household Income 5 | $45,285 | $451 | $53,618 | $1,363 | -- | $52,718 | $1,106 | Yes |
| Average Number of Vehicles per Household 6 | 1.42 | 0.01 | 1.48 | 0.02 | -- | 1.46 | 0.02 | Yes |
| Percent of Persons in Poverty 7 | 20.60 | 0.20 | 25.30 | 0.96 | -- | 27.30 | 0.98 | Yes |
| Percent Minority 8 | 65.60 | 0.30 | 66.80 | 0.44 | 70.60 | 70.10 | 0.57 | Yes |
| Percent of Persons 65 and Over 9 | 10.90 | 0.20 | 10.20 | 0.27 | 10.30 | 10.50 | 0.28 | Yes |
| Percent of Persons Foreign Born 10 | 4.00 | 0.10 | 5.60 | 0.33 | -- | 6.40 | 0.35 | Yes |
| Total Workers at Place of Residence11 | 280,724 | 1,909 | 302,427 | 4,047 | -- | 275,151 | 3,168 | 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 | 274,935 | 100.0 | 1,904 | 287,653 | 100.0 | 3,088 | 269,156 | 100.0 | 3,206 | Yes |
| Drove alone | 210,620 | 76.6 | 1,804 | 229,976 | 79.9 | 3,463 | 212,651 | 79.0 | 3,721 | No |
| 2-person Carpool | 31,650 | 11.5 | 830 | 25,854 | 9.0 | 1,919 | 27,852 | 10.3 | 1,862 | Yes |
| 3-or-more-person Carpool | 11,510 | 4.2 | 508 | 8,433 | 2.9 | 1,121 | 7,434 | 2.8 | 1,044 | Yes |
| Transit | 8,024 | 2.9 | 426 | 7,386 | 2.6 | 946 | 6,490 | 2.4 | 846 | Yes |
| Bike | 305 | 0.1 | 83 | 455 | 0.2 | 250 | 588 | 0.2 | 204 | Yes |
| Walked | 5,300 | 1.9 | 347 | 5,805 | 2.0 | 993 | 5,065 | 1.9 | 641 | No |
| Taxi, Motorcycle and Other means | 2,785 | 1.0 | 252 | 3,161 | 1.1 | 580 | 3,007 | 1.1 | 545 | No |
| Worked at Home | 4,745 | 1.7 | 328 | 6,583 | 2.3 | 783 | 6,069 | 2.3 | 747 | 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 | 378,575 | 100.0 | 1,901 | 395,266 | 100.0 | 4,344 | 391,232 | 100.0 | 4,791 | Yes |
| Drove alone | 306,600 | 81.0 | 1,924 | 330,591 | 83.6 | 3,945 | 325,344 | 83.2 | 5,111 | Yes |
| 2-person Carpool | 37,490 | 9.9 | 899 | 30,800 | 7.8 | 2,094 | 34,520 | 8.8 | 2,290 | Yes |
| 3-or-more-person Carpool | 11,990 | 3.2 | 519 | 8,485 | 2.1 | 930 | 8,183 | 2.1 | 1,082 | Yes |
| Transit | 7,750 | 2.0 | 418 | 7,250 | 1.8 | 881 | 6,738 | 1.7 | 791 | Yes |
| Bike | 280 | 0.1 | 80 | 535 | 0.1 | 296 | 585 | 0.1 | 201 | Yes |
| Walked | 5,200 | 1.4 | 343 | 5,662 | 1.4 | 986 | 4,786 | 1.2 | 596 | No |
| Taxi, Motorcycle and Other means | 4,515 | 1.2 | 320 | 5,360 | 1.4 | 697 | 5,007 | 1.3 | 636 | No |
| Worked at Home | 4,745 | 1.3 | 328 | 6,583 | 1.7 | 783 | 6,069 | 1.6 | 747 | 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) | 23.0 | 0.2 | 21.5 | 0.5 | 21.3 | 0.5 | Yes |
| Drove alone | 21.8 | 0.2 | 20.5 | 0.5 | 20.7 | 0.6 | Yes |
| Carpooled | 24.7 | 0.5 | 23.4 | 2.4 | 21.5 | 2.1 | Yes |
| Transit | 45.8 | 1.9 | 46.5 | 9.8 | 47.0 | 9.9 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 21.4 | 1.4 | 17.4 | 3.6 | 16.5 | 2.9 | Yes |
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
