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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 | 563,598 | -- | 669,620 | -- | 685,306 | 695,251 | -- | -- |
| Persons in Households 2 | 544,797 | 694 | 645,033 | -- | 670,952 | 678,792 | -- | -- |
| Total Households 3 | 181,612 | 438 | 207,033 | 2,561 | 215,007 | 214,808 | 1,322 | Yes |
| Average Number of Persons per Household 4 | 3.00 | 0.02 | 3.12 | 0.02 | 3.12 | 3.16 | 0.02 | Yes |
| Average Household Income 5 | $52,850 | $572 | $70,170 | $1,802 | -- | $68,243 | $1,309 | Yes |
| Average Number of Vehicles per Household 6 | 1.77 | 0.02 | 1.97 | 0.04 | -- | 1.93 | 0.03 | Yes |
| Percent of Persons in Poverty 7 | 17.70 | 0.30 | 15.80 | 0.96 | -- | 18.60 | 0.85 | No |
| Percent Minority 8 | 42.10 | 0.30 | 41.10 | 0.85 | 49.00 | 40.40 | 0.86 | Yes |
| Percent of Persons 65 and Over 9 | 10.60 | 0.20 | 10.00 | 0.38 | 10.40 | 10.70 | 0.28 | No |
| Percent of Persons Foreign Born 10 | 19.50 | 0.30 | 23.30 | 0.66 | -- | 23.00 | 0.61 | Yes |
| Total Workers at Place of Residence11 | 219,239 | 1,885 | 277,522 | 3,296 | -- | 266,854 | 3,235 | 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 | 213,630 | 100.0 | 1,876 | 260,201 | 100.0 | 3,407 | 257,072 | 100.0 | 3,057 | Yes |
| Drove alone | 159,370 | 74.6 | 1,741 | 195,312 | 75.1 | 3,517 | 197,044 | 76.6 | 3,341 | Yes |
| 2-person Carpool | 24,950 | 11.7 | 795 | 28,128 | 10.8 | 2,003 | 25,721 | 10.0 | 2,069 | No |
| 3-or-more-person Carpool | 11,365 | 5.3 | 543 | 12,932 | 5.0 | 1,647 | 11,582 | 4.5 | 1,560 | No |
| Transit | 3,035 | 1.4 | 283 | 4,125 | 1.6 | 957 | 3,321 | 1.3 | 575 | No |
| Bike | 1,495 | 0.7 | 199 | 1,189 | 0.5 | 327 | 1,217 | 0.5 | 320 | No |
| Walked | 4,950 | 2.3 | 361 | 4,914 | 1.9 | 843 | 4,695 | 1.8 | 692 | No |
| Taxi, Motorcycle and Other means | 2,325 | 1.1 | 248 | 3,368 | 1.3 | 706 | 2,409 | 0.9 | 536 | No |
| Worked at Home | 6,140 | 2.9 | 401 | 10,233 | 3.9 | 1,098 | 11,083 | 4.3 | 1,039 | 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 | 195,710 | 100.0 | 1,841 | 232,027 | 100.0 | 4,025 | 231,126 | 100.0 | 3,916 | Yes |
| Drove alone | 148,415 | 75.8 | 1,703 | 178,613 | 77.0 | 3,788 | 181,030 | 78.3 | 3,830 | Yes |
| 2-person Carpool | 21,150 | 10.8 | 735 | 22,664 | 9.8 | 1,809 | 20,827 | 9.0 | 1,584 | No |
| 3-or-more-person Carpool | 9,630 | 4.9 | 501 | 9,510 | 4.1 | 1,373 | 8,514 | 3.7 | 1,359 | No |
| Transit | 1,865 | 1.0 | 222 | 1,860 | 0.8 | 778 | 1,594 | 0.7 | 361 | No |
| Bike | 1,470 | 0.8 | 197 | 1,171 | 0.5 | 325 | 1,223 | 0.5 | 320 | No |
| Walked | 4,850 | 2.5 | 357 | 4,714 | 2.0 | 827 | 4,563 | 2.0 | 673 | No |
| Taxi, Motorcycle and Other means | 2,195 | 1.1 | 241 | 3,262 | 1.4 | 757 | 2,292 | 1.0 | 505 | No |
| Worked at Home | 6,140 | 3.1 | 401 | 10,233 | 4.4 | 1,098 | 11,083 | 4.8 | 1,039 | 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) | 29.2 | 0.4 | 29.9 | 0.9 | 28.7 | 0.7 | No |
| Drove alone | 27.2 | 0.4 | 27.8 | 1.0 | 27.2 | 0.8 | No |
| Carpooled | 37.2 | 1.0 | 38.1 | 3.9 | 36.6 | 4.1 | No |
| Transit | 64.5 | 4.4 | 72.8 | 22.1 | 61.8 | 15.3 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 18.7 | 1.4 | 19.8 | 4.5 | 16.5 | 3.3 | 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
