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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 | 550,864 | -- | 556,433 | -- | 558,979 | 560,011 | -- | -- |
| Persons in Households 2 | 529,156 | 584 | 533,660 | -- | 535,924 | 537,347 | -- | -- |
| Total Households 3 | 206,372 | 406 | 204,401 | 1,678 | 208,700 | 205,185 | 1,396 | No |
| Average Number of Persons per Household 4 | 2.56 | 0.01 | 2.61 | 0.02 | 2.57 | 2.62 | 0.02 | Yes |
| Average Household Income 5 | $65,640 | $523 | $84,645 | $1,685 | -- | $85,227 | $1,433 | Yes |
| Average Number of Vehicles per Household 6 | 1.57 | 0.01 | 1.65 | 0.03 | -- | 1.61 | 0.02 | Yes |
| Percent of Persons in Poverty 7 | 8.00 | 0.20 | 9.30 | 0.48 | -- | 10.40 | 0.59 | Yes |
| Percent Minority 8 | 19.70 | 0.20 | 24.70 | 0.15 | 27.50 | 27.70 | 0.16 | Yes |
| Percent of Persons 65 and Over 9 | 15.60 | 0.20 | 14.30 | 0.32 | 14.30 | 14.40 | 0.31 | Yes |
| Percent of Persons Foreign Born 10 | 6.70 | 0.10 | 8.00 | 0.34 | -- | 9.40 | 0.41 | Yes |
| Total Workers at Place of Residence11 | 258,958 | 1,499 | 272,855 | 2,748 | -- | 264,876 | 2,515 | 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 | 253,920 | 100.0 | 1,497 | 262,688 | 100.0 | 2,477 | 258,577 | 100.0 | 2,557 | Yes |
| Drove alone | 191,455 | 75.4 | 1,430 | 196,228 | 74.7 | 2,661 | 194,365 | 75.2 | 2,376 | Yes |
| 2-person Carpool | 20,450 | 8.1 | 568 | 17,997 | 6.9 | 1,172 | 15,671 | 6.1 | 1,333 | Yes |
| 3-or-more-person Carpool | 4,130 | 1.6 | 259 | 3,816 | 1.5 | 611 | 3,082 | 1.2 | 503 | Yes |
| Transit | 19,760 | 7.8 | 558 | 22,949 | 8.7 | 1,328 | 23,644 | 9.1 | 1,253 | Yes |
| Bike | 490 | 0.2 | 90 | 930 | 0.4 | 348 | 522 | 0.2 | 185 | No |
| Walked | 9,395 | 3.7 | 389 | 10,193 | 3.9 | 1,052 | 9,815 | 3.8 | 910 | No |
| Taxi, Motorcycle and Other means | 1,500 | 0.6 | 156 | 1,831 | 0.7 | 370 | 1,936 | 0.7 | 486 | No |
| Worked at Home | 6,745 | 2.7 | 330 | 8,744 | 3.3 | 832 | 9,542 | 3.7 | 783 | 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 | 216,060 | 100.0 | 1,466 | 214,260 | 100.0 | 3,132 | 209,985 | 100.0 | 3,544 | Yes |
| Drove alone | 164,375 | 76.1 | 1,374 | 164,143 | 76.6 | 2,835 | 163,089 | 77.7 | 3,127 | No |
| 2-person Carpool | 17,215 | 8.0 | 523 | 14,885 | 6.9 | 1,195 | 13,486 | 6.4 | 1,163 | Yes |
| 3-or-more-person Carpool | 3,995 | 1.8 | 255 | 3,481 | 1.6 | 576 | 2,381 | 1.1 | 441 | Yes |
| Transit | 11,580 | 5.4 | 431 | 11,558 | 5.4 | 1,254 | 10,398 | 5.0 | 1,013 | Yes |
| Bike | 510 | 0.2 | 91 | 922 | 0.4 | 431 | 310 | 0.1 | 154 | Yes |
| Walked | 9,190 | 4.3 | 385 | 9,150 | 4.3 | 860 | 9,077 | 4.3 | 853 | No |
| Taxi, Motorcycle and Other means | 2,445 | 1.1 | 200 | 1,377 | 0.6 | 359 | 1,702 | 0.8 | 444 | Yes |
| Worked at Home | 6,745 | 3.1 | 330 | 8,744 | 4.1 | 832 | 9,542 | 4.5 | 783 | 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) | 27.1 | 0.2 | 27.3 | 0.6 | 27.8 | 0.5 | Yes |
| Drove alone | 26.0 | 0.2 | 25.9 | 0.6 | 26.2 | 0.5 | No |
| Carpooled | 27.6 | 0.6 | 27.9 | 3.0 | 27.9 | 3.2 | No |
| Transit | 45.4 | 0.9 | 46.3 | 3.9 | 46.6 | 3.7 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 13.8 | 0.8 | 13.4 | 2.1 | 15.9 | 3.2 | 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
