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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 | 642,200 | -- | 642,155 | 0 | 672,591 | 686,244 | 0 | -- |
| Persons in Households 2 | 618,494 | 445 | 615,033 | -- | 647,535 | 660,787 | -- | -- |
| Total Households 3 | 257,234 | 499 | 274,711 | 1,894 | 281,192 | 285,639 | 1,798 | Yes |
| Average Number of Persons per Household 4 | 2.40 | 0.01 | 2.24 | 0.02 | 2.30 | 2.31 | 0.01 | Yes |
| Average Household Income 5 | $43,560 | $233 | $60,208 | $1,001 | -- | $68,186 | $983 | Yes |
| Average Number of Vehicles per Household 6 | 1.93 | 0.01 | 2.04 | 0.02 | -- | 2.03 | 0.02 | Yes |
| Percent of Persons in Poverty 7 | 11.90 | 0.10 | 12.20 | 0.53 | -- | 12.20 | 0.50 | No |
| Percent Minority 8 | 7.50 | 0.10 | 9.40 | 0.14 | 10.00 | 10.20 | 0.10 | Yes |
| Percent of Persons 65 and Over 9 | 14.70 | 0.10 | 14.60 | 0.25 | 14.50 | 14.40 | 0.25 | Yes |
| Percent of Persons Foreign Born 10 | 1.90 | 0.10 | 2.40 | 0.17 | -- | 2.60 | 0.17 | Yes |
| Total Workers at Place of Residence11 | 323,725 | 1,179 | 351,049 | 3,115 | -- | 375,757 | 2,354 | 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 | 319,480 | 100.0 | 1,179 | 343,422 | 100.0 | 2,037 | 368,684 | 100.0 | 2,411 | Yes |
| Drove alone | 248,275 | 77.7 | 1,148 | 268,657 | 78.2 | 2,584 | 293,298 | 79.6 | 2,546 | Yes |
| 2-person Carpool | 24,655 | 7.7 | 453 | 25,839 | 7.5 | 1,271 | 24,695 | 6.7 | 1,427 | No |
| 3-or-more-person Carpool | 7,350 | 2.3 | 251 | 8,766 | 2.6 | 745 | 9,313 | 2.5 | 827 | Yes |
| Transit | 1,099 | 0.3 | 97 | 1,543 | 0.4 | 342 | 1,943 | 0.5 | 393 | Yes |
| Bike | 1,010 | 0.3 | 93 | 2,148 | 0.6 | 366 | 2,005 | 0.5 | 419 | Yes |
| Walked | 16,095 | 5.0 | 369 | 13,510 | 3.9 | 892 | 14,324 | 3.9 | 933 | Yes |
| Taxi, Motorcycle and Other means | 1,890 | 0.6 | 128 | 2,951 | 0.9 | 379 | 2,982 | 0.8 | 473 | Yes |
| Worked at Home | 19,110 | 6.0 | 401 | 20,008 | 5.8 | 1,017 | 20,124 | 5.5 | 1,087 | 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 | 330,490 | 100.0 | 1,179 | 360,761 | 100.0 | 2,436 | 399,075 | 100.0 | 2,567 | Yes |
| Drove alone | 257,530 | 77.9 | 1,156 | 283,225 | 78.5 | 2,616 | 316,164 | 79.2 | 2,672 | Yes |
| 2-person Carpool | 26,080 | 7.9 | 465 | 27,601 | 7.7 | 1,356 | 28,031 | 7.0 | 1,538 | Yes |
| 3-or-more-person Carpool | 7,630 | 2.3 | 256 | 9,163 | 2.5 | 768 | 11,099 | 2.8 | 896 | Yes |
| Transit | 1,179 | 0.4 | 101 | 1,838 | 0.5 | 411 | 2,248 | 0.6 | 455 | Yes |
| Bike | 995 | 0.3 | 93 | 2,200 | 0.6 | 346 | 2,100 | 0.5 | 429 | Yes |
| Walked | 16,190 | 4.9 | 370 | 13,511 | 3.7 | 899 | 14,737 | 3.7 | 970 | Yes |
| Taxi, Motorcycle and Other means | 1,780 | 0.5 | 124 | 3,215 | 0.9 | 457 | 4,572 | 1.1 | 585 | Yes |
| Worked at Home | 19,110 | 5.8 | 401 | 20,008 | 5.5 | 1,017 | 20,124 | 5.0 | 1,087 | 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) | 15.8 | 0.1 | 16.2 | 0.3 | 16.8 | 0.3 | Yes |
| Drove alone | 15.4 | 0.1 | 15.5 | 0.4 | 15.9 | 0.3 | Yes |
| Carpooled | 22.0 | 0.4 | 23.4 | 1.8 | 26.4 | 2.4 | Yes |
| Transit | 28.8 | 2.6 | 26.0 | 9.5 | 24.3 | 7.6 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 9.5 | 0.4 | 10.6 | 1.3 | 12.2 | 1.9 | 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
