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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 | 824,008 | -- | 845,733 | -- | 862,477 | 862,776 | -- | -- |
| Persons in Households 2 | 796,280 | 783 | 817,906 | -- | 833,279 | 834,822 | -- | -- |
| Total Households 3 | 319,309 | 678 | 321,528 | 2,134 | 334,502 | 328,434 | 2,223 | Yes |
| Average Number of Persons per Household 4 | 2.49 | 0.01 | 2.54 | 0.01 | 2.49 | 2.54 | 0.02 | Yes |
| Average Household Income 5 | $62,220 | $471 | $80,155 | $1,340 | -- | $80,395 | $1,527 | Yes |
| Average Number of Vehicles per Household 6 | 1.59 | 0.01 | 1.72 | 0.02 | -- | 1.68 | 0.02 | Yes |
| Percent of Persons in Poverty 7 | 9.50 | 0.20 | 10.80 | 0.53 | -- | 12.90 | 0.57 | Yes |
| Percent Minority 8 | 20.70 | 0.20 | 23.50 | 0.28 | 25.20 | 24.80 | 0.35 | Yes |
| Percent of Persons 65 and Over 9 | 14.50 | 0.20 | 13.90 | 0.29 | 14.40 | 14.60 | 0.27 | No |
| Percent of Persons Foreign Born 10 | 9.00 | 0.20 | 11.20 | 0.44 | -- | 11.90 | 0.42 | Yes |
| Total Workers at Place of Residence11 | 396,650 | 2,169 | 430,644 | 3,641 | -- | 415,102 | 3,540 | 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 | 388,050 | 100.0 | 2,167 | 413,103 | 100.0 | 3,759 | 406,377 | 100.0 | 3,588 | Yes |
| Drove alone | 312,985 | 80.7 | 2,107 | 331,762 | 80.3 | 3,534 | 323,171 | 79.5 | 3,257 | Yes |
| 2-person Carpool | 30,630 | 7.9 | 821 | 27,360 | 6.6 | 1,492 | 25,945 | 6.4 | 1,756 | Yes |
| 3-or-more-person Carpool | 7,150 | 1.8 | 403 | 6,888 | 1.7 | 867 | 7,470 | 1.8 | 1,016 | No |
| Transit | 12,090 | 3.1 | 522 | 14,778 | 3.6 | 1,128 | 17,107 | 4.2 | 1,384 | Yes |
| Bike | 930 | 0.2 | 146 | 1,883 | 0.5 | 479 | 2,162 | 0.5 | 412 | Yes |
| Walked | 12,360 | 3.2 | 528 | 13,210 | 3.2 | 1,141 | 13,546 | 3.3 | 1,226 | No |
| Taxi, Motorcycle and Other means | 2,340 | 0.6 | 231 | 4,312 | 1.0 | 865 | 3,315 | 0.8 | 665 | Yes |
| Worked at Home | 9,565 | 2.5 | 465 | 12,910 | 3.1 | 1,005 | 13,661 | 3.4 | 1,009 | 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 | 362,125 | 100.0 | 2,154 | 379,010 | 100.0 | 4,990 | 380,257 | 100.0 | 4,490 | Yes |
| Drove alone | 291,955 | 80.6 | 2,076 | 303,982 | 80.2 | 4,363 | 301,744 | 79.4 | 4,098 | Yes |
| 2-person Carpool | 28,535 | 7.9 | 794 | 24,821 | 6.5 | 1,488 | 24,798 | 6.5 | 1,685 | Yes |
| 3-or-more-person Carpool | 7,015 | 1.9 | 399 | 5,979 | 1.6 | 787 | 6,995 | 1.8 | 968 | No |
| Transit | 9,670 | 2.7 | 467 | 11,770 | 3.1 | 1,026 | 14,289 | 3.8 | 1,201 | Yes |
| Bike | 895 | 0.2 | 143 | 1,888 | 0.5 | 481 | 2,138 | 0.6 | 404 | Yes |
| Walked | 12,265 | 3.4 | 526 | 13,598 | 3.6 | 1,160 | 13,542 | 3.6 | 1,310 | No |
| Taxi, Motorcycle and Other means | 2,230 | 0.6 | 226 | 4,062 | 1.1 | 860 | 3,090 | 0.8 | 601 | Yes |
| Worked at Home | 9,565 | 2.6 | 465 | 12,910 | 3.4 | 1,005 | 13,661 | 3.6 | 1,009 | 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) | 23.2 | 0.2 | 24.0 | 0.5 | 24.2 | 0.4 | Yes |
| Drove alone | 22.7 | 0.2 | 23.3 | 0.5 | 23.5 | 0.4 | Yes |
| Carpooled | 23.0 | 0.5 | 24.3 | 2.1 | 24.7 | 2.2 | No |
| Transit | 47.4 | 1.8 | 50.0 | 6.0 | 46.8 | 6.2 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 14.7 | 0.7 | 14.9 | 1.9 | 14.2 | 1.9 | 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
