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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 | 484,564 | -- | 492,995 | -- | 496,005 | 494,961 | -- | -- |
| Persons in Households 2 | 478,929 | 302 | 486,619 | -- | 489,656 | 489,196 | -- | -- |
| Total Households 3 | 181,589 | 452 | 184,338 | 1,453 | 188,157 | 181,174 | 1,239 | No |
| Average Number of Persons per Household 4 | 2.64 | 0.01 | 2.64 | 0.02 | 2.60 | 2.70 | 0.02 | Yes |
| Average Household Income 5 | $51,865 | $428 | $59,676 | $941 | -- | $60,989 | $1,124 | Yes |
| Average Number of Vehicles per Household 6 | 1.65 | 0.01 | 1.72 | 0.02 | -- | 1.72 | 0.02 | Yes |
| Percent of Persons in Poverty 7 | 12.20 | 0.20 | 16.10 | 0.82 | -- | 18.40 | 0.89 | Yes |
| Percent Minority 8 | 33.30 | 0.30 | 37.20 | 0.47 | 35.60 | 38.10 | 0.49 | Yes |
| Percent of Persons 65 and Over 9 | 13.00 | 0.20 | 13.00 | 0.32 | 13.30 | 13.50 | 0.35 | Yes |
| Percent of Persons Foreign Born 10 | 5.30 | 0.10 | 6.20 | 0.40 | -- | 6.90 | 0.40 | Yes |
| Total Workers at Place of Residence11 | 213,595 | 1,398 | 222,730 | 2,729 | -- | 209,654 | 2,657 | 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 | 208,955 | 100.0 | 1,395 | 212,090 | 100.0 | 2,691 | 204,892 | 100.0 | 2,703 | Yes |
| Drove alone | 168,665 | 80.7 | 1,342 | 176,141 | 83.1 | 2,691 | 175,547 | 85.7 | 2,857 | Yes |
| 2-person Carpool | 19,380 | 9.3 | 552 | 15,045 | 7.1 | 1,182 | 12,698 | 6.2 | 1,020 | Yes |
| 3-or-more-person Carpool | 4,185 | 2.0 | 261 | 3,224 | 1.5 | 563 | 2,878 | 1.4 | 638 | Yes |
| Transit | 6,540 | 3.1 | 325 | 7,356 | 3.5 | 699 | 5,547 | 2.7 | 783 | Yes |
| Bike | 280 | 0.1 | 68 | 263 | 0.1 | 136 | 355 | 0.2 | 218 | No |
| Walked | 4,135 | 2.0 | 259 | 4,083 | 1.9 | 754 | 2,948 | 1.4 | 461 | Yes |
| Taxi, Motorcycle and Other means | 1,565 | 0.7 | 160 | 1,433 | 0.7 | 432 | 1,157 | 0.6 | 314 | Yes |
| Worked at Home | 4,210 | 2.0 | 261 | 4,545 | 2.1 | 504 | 3,762 | 1.8 | 542 | 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 | 192,865 | 100.0 | 1,379 | 196,135 | 100.0 | 3,598 | 194,574 | 100.0 | 3,611 | No |
| Drove alone | 160,515 | 83.2 | 1,326 | 167,739 | 85.5 | 3,471 | 169,618 | 87.2 | 3,403 | Yes |
| 2-person Carpool | 16,905 | 8.8 | 517 | 13,626 | 6.9 | 1,336 | 12,937 | 6.6 | 1,125 | Yes |
| 3-or-more-person Carpool | 3,460 | 1.8 | 237 | 2,754 | 1.4 | 549 | 2,511 | 1.3 | 540 | Yes |
| Transit | 2,155 | 1.1 | 187 | 1,924 | 1.0 | 389 | 1,302 | 0.7 | 355 | Yes |
| Bike | 275 | 0.1 | 67 | 246 | 0.1 | 196 | 360 | 0.2 | 218 | No |
| Walked | 3,970 | 2.1 | 254 | 4,032 | 2.1 | 733 | 2,916 | 1.5 | 454 | Yes |
| Taxi, Motorcycle and Other means | 1,375 | 0.7 | 150 | 1,269 | 0.6 | 338 | 1,168 | 0.6 | 327 | No |
| Worked at Home | 4,210 | 2.2 | 261 | 4,545 | 2.3 | 504 | 3,762 | 1.9 | 542 | 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) | 27.1 | 0.2 | 27.5 | 0.7 | 27.8 | 0.7 | No |
| Drove alone | 25.5 | 0.2 | 26.0 | 0.7 | 26.8 | 0.7 | Yes |
| Carpooled | 29.1 | 0.7 | 29.7 | 3.4 | 26.9 | 3.1 | No |
| Transit | 65.1 | 2.0 | 65.8 | 9.6 | 68.9 | 14.3 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 21.5 | 1.6 | 16.9 | 4.8 | 18.5 | 4.7 | 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
