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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 | 665,865 | -- | 740,482 | -- | 691,893 | 699,017 | -- | -- |
| Persons in Households 2 | 652,153 | 597 | 724,081 | -- | 678,844 | 683,617 | -- | -- |
| Total Households 3 | 249,391 | 547 | 272,223 | 2,192 | 271,809 | 260,968 | 2,031 | Yes |
| Average Number of Persons per Household 4 | 2.61 | 0.01 | 2.66 | 0.02 | 2.50 | 2.62 | 0.02 | No |
| Average Household Income 5 | $63,065 | $574 | $72,213 | $1,502 | -- | $69,991 | $1,343 | Yes |
| Average Number of Vehicles per Household 6 | 1.62 | 0.01 | 1.59 | 0.02 | -- | 1.54 | 0.02 | Yes |
| Percent of Persons in Poverty 7 | 10.80 | 0.20 | 15.50 | 0.80 | -- | 19.80 | 1.00 | Yes |
| Percent Minority 8 | 64.10 | 0.30 | 64.70 | 0.53 | 66.70 | 65.10 | 0.44 | Yes |
| Percent of Persons 65 and Over 9 | 8.10 | 0.20 | 8.40 | 0.25 | 9.00 | 9.30 | 0.25 | Yes |
| Percent of Persons Foreign Born 10 | 15.20 | 0.20 | 16.40 | 0.51 | -- | 16.60 | 0.51 | Yes |
| Total Workers at Place of Residence11 | 347,776 | 2,099 | 381,099 | 4,039 | -- | 324,318 | 3,452 | 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 | 341,110 | 100.0 | 2,100 | 361,343 | 100.0 | 4,208 | 317,093 | 100.0 | 3,510 | Yes |
| Drove alone | 240,375 | 70.5 | 2,018 | 262,165 | 72.6 | 4,242 | 227,319 | 71.7 | 4,433 | Yes |
| 2-person Carpool | 36,750 | 10.8 | 960 | 24,696 | 6.8 | 2,213 | 23,535 | 7.4 | 1,714 | Yes |
| 3-or-more-person Carpool | 15,845 | 4.6 | 640 | 12,452 | 3.4 | 1,837 | 10,593 | 3.3 | 1,457 | Yes |
| Transit | 27,285 | 8.0 | 833 | 29,994 | 8.3 | 2,115 | 27,112 | 8.6 | 2,062 | No |
| Bike | 480 | 0.1 | 113 | 816 | 0.2 | 326 | 809 | 0.3 | 302 | Yes |
| Walked | 6,020 | 1.8 | 398 | 6,772 | 1.9 | 1,225 | 5,648 | 1.8 | 865 | No |
| Taxi, Motorcycle and Other means | 3,970 | 1.2 | 324 | 7,648 | 2.1 | 1,116 | 5,580 | 1.8 | 1,124 | Yes |
| Worked at Home | 10,380 | 3.0 | 521 | 16,800 | 4.6 | 1,233 | 16,497 | 5.2 | 1,217 | 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 | 314,410 | 100.0 | 2,098 | 330,289 | 100.0 | 5,235 | 298,031 | 100.0 | 6,324 | Yes |
| Drove alone | 234,975 | 74.7 | 2,008 | 245,846 | 74.4 | 4,700 | 221,472 | 74.3 | 5,545 | Yes |
| 2-person Carpool | 32,200 | 10.2 | 901 | 25,892 | 7.8 | 1,887 | 23,238 | 7.8 | 1,774 | Yes |
| 3-or-more-person Carpool | 12,460 | 4.0 | 569 | 11,250 | 3.4 | 1,629 | 8,295 | 2.8 | 1,145 | Yes |
| Transit | 15,460 | 4.9 | 633 | 18,016 | 5.5 | 1,830 | 18,557 | 6.2 | 1,861 | Yes |
| Bike | 335 | 0.1 | 94 | 689 | 0.2 | 256 | 581 | 0.2 | 233 | No |
| Walked | 5,690 | 1.8 | 387 | 6,291 | 1.9 | 1,141 | 5,504 | 1.8 | 795 | No |
| Taxi, Motorcycle and Other means | 2,915 | 0.9 | 277 | 5,505 | 1.7 | 900 | 3,887 | 1.3 | 748 | Yes |
| Worked at Home | 10,380 | 3.3 | 521 | 16,800 | 5.1 | 1,233 | 16,497 | 5.5 | 1,217 | 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) | 31.7 | 0.2 | 30.6 | 0.7 | 30.8 | 0.7 | Yes |
| Drove alone | 28.9 | 0.2 | 28.0 | 0.7 | 28.0 | 0.9 | No |
| Carpooled | 33.3 | 0.6 | 29.7 | 3.4 | 32.6 | 3.1 | No |
| Transit | 53.6 | 1.2 | 56.1 | 6.0 | 54.1 | 6.1 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 28.1 | 1.8 | 27.2 | 4.8 | 26.2 | 6.1 | 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
