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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 | 951,270 | -- | 913,559 | 75 | 713,777 | 706,522 | 51 | -- |
| Persons in Households 2 | 931,738 | 560 | 900,406 | -- | 699,018 | 694,672 | -- | -- |
| Total Households 3 | 336,482 | 753 | 315,603 | 3,078 | 269,445 | 253,968 | 2,666 | Yes |
| Average Number of Persons per Household 4 | 2.77 | 0.01 | 2.85 | 0.03 | 2.59 | 2.74 | 0.03 | No |
| Average Household Income 5 | $40,835 | $286 | $39,094 | $718 | -- | $36,753 | $788 | Yes |
| Average Number of Vehicles per Household 6 | 1.24 | 0.01 | 1.23 | 0.02 | -- | 1.13 | 0.02 | Yes |
| Percent of Persons in Poverty 7 | 26.10 | 0.20 | 34.30 | 0.98 | -- | 40.20 | 0.92 | Yes |
| Percent Minority 8 | 87.60 | 0.10 | 83.50 | 0.56 | 89.40 | 87.90 | 0.42 | No |
| Percent of Persons 65 and Over 9 | 10.50 | 0.10 | 10.90 | 0.29 | 11.50 | 11.90 | 0.27 | Yes |
| Percent of Persons Foreign Born 10 | 4.80 | 0.10 | 6.50 | 0.39 | -- | 5.10 | 0.34 | No |
| Total Workers at Place of Residence11 | 331,638 | 1,881 | 306,247 | 4,681 | -- | 204,630 | 4,257 | 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 | 319,450 | 100.0 | 1,864 | 282,610 | 100.0 | 4,177 | 198,754 | 100.0 | 4,251 | Yes |
| Drove alone | 219,120 | 68.6 | 1,662 | 206,039 | 72.9 | 3,769 | 138,444 | 69.7 | 3,360 | Yes |
| 2-person Carpool | 39,765 | 12.4 | 790 | 24,513 | 8.7 | 1,935 | 19,324 | 9.7 | 1,291 | Yes |
| 3-or-more-person Carpool | 14,770 | 4.6 | 488 | 7,199 | 2.5 | 1,071 | 6,162 | 3.1 | 908 | Yes |
| Transit | 25,940 | 8.1 | 643 | 22,471 | 8.0 | 1,822 | 18,222 | 9.2 | 1,412 | Yes |
| Bike | 505 | 0.2 | 91 | 1,071 | 0.4 | 371 | 643 | 0.3 | 216 | No |
| Walked | 8,975 | 2.8 | 382 | 9,246 | 3.3 | 1,222 | 6,036 | 3.0 | 695 | Yes |
| Taxi, Motorcycle and Other means | 4,560 | 1.4 | 273 | 4,539 | 1.6 | 694 | 3,986 | 2.0 | 652 | No |
| Worked at Home | 5,805 | 1.8 | 307 | 7,532 | 2.7 | 1,004 | 5,937 | 3.0 | 721 | No |
| 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 | 319,020 | 100.0 | 1,863 | 299,710 | 100.0 | 5,569 | 263,057 | 100.0 | 4,628 | Yes |
| Drove alone | 243,390 | 76.3 | 1,722 | 230,769 | 77.0 | 4,574 | 203,526 | 77.4 | 3,967 | Yes |
| 2-person Carpool | 30,365 | 9.5 | 694 | 24,359 | 8.1 | 1,620 | 22,567 | 8.6 | 1,402 | Yes |
| 3-or-more-person Carpool | 9,160 | 2.9 | 385 | 5,861 | 2.0 | 708 | 6,224 | 2.4 | 730 | Yes |
| Transit | 19,215 | 6.0 | 555 | 17,607 | 5.9 | 1,492 | 15,116 | 5.7 | 1,329 | Yes |
| Bike | 365 | 0.1 | 77 | 861 | 0.3 | 314 | 503 | 0.2 | 163 | No |
| Walked | 7,445 | 2.3 | 348 | 8,865 | 3.0 | 1,134 | 5,741 | 2.2 | 699 | Yes |
| Taxi, Motorcycle and Other means | 3,270 | 1.0 | 231 | 3,856 | 1.3 | 532 | 3,443 | 1.3 | 630 | No |
| Worked at Home | 5,805 | 1.8 | 307 | 7,532 | 2.5 | 1,004 | 5,937 | 2.3 | 721 | No |
| 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) | 28.4 | 0.2 | 26.3 | 0.7 | 26.7 | 0.9 | Yes |
| Drove alone | 26.0 | 0.2 | 24.0 | 0.7 | 24.0 | 0.9 | Yes |
| Carpooled | 27.8 | 0.4 | 25.8 | 2.7 | 25.6 | 2.6 | No |
| Transit | 53.7 | 1.0 | 53.1 | 6.4 | 54.5 | 5.8 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 20.1 | 0.9 | 18.8 | 3.7 | 17.9 | 2.9 | 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
