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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 | 456,228 | -- | 469,347 | -- | 463,490 | 465,177 | -- | -- |
| Persons in Households 2 | 441,747 | 566 | 451,526 | -- | 448,699 | 450,271 | -- | -- |
| Total Households 3 | 175,475 | 474 | 176,486 | 1,379 | 179,927 | 177,900 | 1,300 | Yes |
| Average Number of Persons per Household 4 | 2.52 | 0.02 | 2.56 | 0.02 | 2.49 | 2.53 | 0.02 | No |
| Average Household Income 5 | $49,775 | $515 | $61,991 | $1,213 | -- | $64,769 | $1,341 | Yes |
| Average Number of Vehicles per Household 6 | 1.48 | 0.01 | 1.54 | 0.02 | -- | 1.55 | 0.02 | Yes |
| Percent of Persons in Poverty 7 | 14.70 | 0.30 | 16.50 | 0.80 | -- | 17.90 | 0.83 | Yes |
| Percent Minority 8 | 21.10 | 0.30 | 21.20 | 0.61 | 23.50 | 21.90 | 0.70 | Yes |
| Percent of Persons 65 and Over 9 | 14.50 | 0.20 | 13.90 | 0.39 | 14.20 | 14.40 | 0.37 | No |
| Percent of Persons Foreign Born 10 | 7.20 | 0.20 | 8.30 | 0.51 | -- | 9.10 | 0.58 | Yes |
| Total Workers at Place of Residence11 | 206,502 | 1,608 | 213,534 | 2,977 | -- | 205,841 | 2,604 | No |
| 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 | 202,125 | 100.0 | 1,604 | 203,944 | 100.0 | 3,128 | 201,032 | 100.0 | 2,613 | No |
| Drove alone | 164,590 | 81.4 | 1,551 | 170,327 | 83.5 | 3,130 | 166,676 | 82.9 | 2,603 | No |
| 2-person Carpool | 17,180 | 8.5 | 615 | 14,312 | 7.0 | 1,186 | 13,736 | 6.8 | 1,138 | Yes |
| 3-or-more-person Carpool | 3,705 | 1.8 | 290 | 3,016 | 1.5 | 574 | 3,835 | 1.9 | 772 | No |
| Transit | 4,679 | 2.3 | 325 | 4,169 | 2.0 | 742 | 4,162 | 2.1 | 622 | No |
| Bike | 345 | 0.2 | 89 | 489 | 0.2 | 255 | 323 | 0.2 | 168 | No |
| Walked | 5,995 | 3.0 | 368 | 5,238 | 2.6 | 781 | 4,639 | 2.3 | 614 | Yes |
| Taxi, Motorcycle and Other means | 1,370 | 0.7 | 177 | 1,050 | 0.5 | 294 | 1,138 | 0.6 | 344 | No |
| Worked at Home | 4,255 | 2.1 | 310 | 5,343 | 2.6 | 605 | 6,523 | 3.2 | 818 | 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 | 199,110 | 100.0 | 1,602 | 200,585 | 100.0 | 3,813 | 195,352 | 100.0 | 3,271 | Yes |
| Drove alone | 162,940 | 81.8 | 1,548 | 167,011 | 83.3 | 3,687 | 162,955 | 83.4 | 2,853 | No |
| 2-person Carpool | 16,370 | 8.2 | 601 | 14,713 | 7.3 | 1,152 | 12,094 | 6.2 | 964 | Yes |
| 3-or-more-person Carpool | 3,450 | 1.7 | 280 | 2,828 | 1.4 | 484 | 3,751 | 1.9 | 787 | No |
| Transit | 4,510 | 2.3 | 320 | 3,913 | 2.0 | 716 | 3,793 | 1.9 | 604 | Yes |
| Bike | 355 | 0.2 | 90 | 554 | 0.3 | 283 | 302 | 0.2 | 164 | No |
| Walked | 6,000 | 3.0 | 368 | 5,215 | 2.6 | 781 | 4,602 | 2.4 | 633 | Yes |
| Taxi, Motorcycle and Other means | 1,235 | 0.6 | 168 | 1,008 | 0.5 | 294 | 1,332 | 0.7 | 366 | No |
| Worked at Home | 4,255 | 2.1 | 310 | 5,343 | 2.7 | 605 | 6,523 | 3.3 | 818 | 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) | 21.8 | 0.2 | 22.1 | 0.6 | 22.7 | 0.6 | Yes |
| Drove alone | 21.7 | 0.2 | 22.0 | 0.7 | 22.4 | 0.6 | Yes |
| Carpooled | 22.6 | 0.8 | 23.5 | 3.2 | 24.9 | 3.2 | No |
| Transit | 36.3 | 2.1 | 34.7 | 9.5 | 37.8 | 8.8 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 14.1 | 1.1 | 13.0 | 2.9 | 16.2 | 3.6 | 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
