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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 | 470,658 | -- | 503,646 | -- | 519,445 | 523,676 | -- | -- |
| Persons in Households 2 | 456,251 | 478 | 486,368 | -- | 506,807 | 509,461 | -- | -- |
| Total Households 3 | 172,780 | 337 | 187,184 | 1,720 | 193,602 | 193,931 | 1,263 | Yes |
| Average Number of Persons per Household 4 | 2.64 | 0.01 | 2.60 | 0.01 | 2.62 | 2.63 | 0.02 | No |
| Average Household Income 5 | $54,890 | $438 | $67,025 | $1,317 | -- | $68,102 | $1,044 | Yes |
| Average Number of Vehicles per Household 6 | 1.74 | 0.01 | 1.79 | 0.03 | -- | 1.80 | 0.02 | Yes |
| Percent of Persons in Poverty 7 | 7.80 | 0.20 | 9.20 | 0.70 | -- | 11.00 | 0.73 | Yes |
| Percent Minority 8 | 8.40 | 0.20 | 9.00 | 0.32 | 11.40 | 10.50 | 0.44 | Yes |
| Percent of Persons 65 and Over 9 | 14.00 | 0.20 | 14.70 | 0.36 | 15.00 | 15.30 | 0.37 | Yes |
| Percent of Persons Foreign Born 10 | 3.20 | 0.10 | 4.20 | 0.34 | -- | 4.20 | 0.31 | Yes |
| Total Workers at Place of Residence11 | 235,874 | 1,388 | 251,632 | 2,627 | -- | 252,435 | 2,426 | 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 | 231,675 | 100.0 | 1,388 | 243,176 | 100.0 | 2,191 | 246,634 | 100.0 | 2,543 | Yes |
| Drove alone | 181,150 | 78.2 | 1,351 | 192,173 | 79.0 | 2,635 | 196,928 | 79.8 | 2,714 | Yes |
| 2-person Carpool | 17,730 | 7.7 | 529 | 15,889 | 6.5 | 1,190 | 13,893 | 5.6 | 1,042 | Yes |
| 3-or-more-person Carpool | 5,870 | 2.5 | 308 | 6,204 | 2.6 | 757 | 7,865 | 3.2 | 1,001 | Yes |
| Transit | 2,489 | 1.1 | 201 | 2,784 | 1.1 | 717 | 2,934 | 1.2 | 499 | No |
| Bike | 1,050 | 0.5 | 131 | 1,527 | 0.6 | 336 | 1,566 | 0.6 | 381 | Yes |
| Walked | 10,080 | 4.4 | 402 | 8,880 | 3.7 | 1,028 | 8,406 | 3.4 | 803 | Yes |
| Taxi, Motorcycle and Other means | 2,115 | 0.9 | 186 | 3,380 | 1.4 | 528 | 3,371 | 1.4 | 594 | Yes |
| Worked at Home | 11,190 | 4.8 | 423 | 12,339 | 5.1 | 1,068 | 11,671 | 4.7 | 1,128 | 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 | 224,685 | 100.0 | 1,387 | 235,227 | 100.0 | 3,214 | 233,082 | 100.0 | 3,244 | Yes |
| Drove alone | 175,490 | 78.1 | 1,342 | 185,457 | 78.8 | 3,040 | 186,897 | 80.2 | 3,204 | Yes |
| 2-person Carpool | 16,890 | 7.5 | 516 | 15,942 | 6.8 | 1,333 | 12,878 | 5.5 | 1,111 | Yes |
| 3-or-more-person Carpool | 5,460 | 2.4 | 297 | 5,290 | 2.2 | 704 | 6,017 | 2.6 | 997 | No |
| Transit | 2,305 | 1.0 | 194 | 2,478 | 1.1 | 734 | 2,447 | 1.0 | 481 | No |
| Bike | 1,035 | 0.5 | 130 | 1,505 | 0.6 | 330 | 1,522 | 0.7 | 379 | Yes |
| Walked | 10,320 | 4.6 | 407 | 8,898 | 3.8 | 995 | 8,426 | 3.6 | 779 | Yes |
| Taxi, Motorcycle and Other means | 1,985 | 0.9 | 180 | 3,318 | 1.4 | 556 | 3,224 | 1.4 | 562 | Yes |
| Worked at Home | 11,190 | 5.0 | 423 | 12,339 | 5.2 | 1,068 | 11,671 | 5.0 | 1,128 | 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) | 21.7 | 0.2 | 22.0 | 0.6 | 22.5 | 0.6 | Yes |
| Drove alone | 21.5 | 0.2 | 21.6 | 0.6 | 21.7 | 0.5 | No |
| Carpooled | 26.8 | 0.8 | 27.5 | 3.1 | 32.5 | 3.7 | Yes |
| Transit | 41.1 | 3.0 | 43.1 | 17.6 | 39.3 | 10.2 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 12.5 | 0.7 | 14.0 | 2.2 | 13.5 | 2.0 | 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
