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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 | 650,308 | -- | 661,261 | -- | 670,850 | 677,462 | -- | -- |
| Persons in Households 2 | 632,843 | 623 | 642,181 | -- | 653,239 | 658,191 | -- | -- |
| Total Households 3 | 248,901 | 373 | 252,352 | 1,713 | 257,914 | 257,153 | 1,378 | Yes |
| Average Number of Persons per Household 4 | 2.54 | 0.01 | 2.54 | 0.01 | 2.53 | 2.56 | 0.01 | Yes |
| Average Household Income 5 | $83,885 | $673 | $109,207 | $2,067 | -- | $111,516 | $1,674 | Yes |
| Average Number of Vehicles per Household 6 | 1.65 | 0.01 | 1.69 | 0.02 | -- | 1.67 | 0.02 | No |
| Percent of Persons in Poverty 7 | 4.60 | 0.10 | 6.30 | 0.43 | -- | 6.60 | 0.38 | Yes |
| Percent Minority 8 | 11.10 | 0.20 | 15.70 | 0.17 | 17.70 | 18.00 | 0.23 | Yes |
| Percent of Persons 65 and Over 9 | 14.40 | 0.20 | 14.10 | 0.32 | 14.50 | 14.80 | 0.31 | Yes |
| Percent of Persons Foreign Born 10 | 11.80 | 0.20 | 14.70 | 0.41 | -- | 15.30 | 0.48 | Yes |
| Total Workers at Place of Residence11 | 337,869 | 1,927 | 346,654 | 3,228 | -- | 345,884 | 2,924 | 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 | 331,655 | 100.0 | 1,928 | 333,554 | 100.0 | 2,907 | 338,767 | 100.0 | 2,958 | Yes |
| Drove alone | 241,745 | 72.9 | 1,864 | 237,692 | 71.3 | 3,043 | 243,584 | 71.9 | 3,065 | No |
| 2-person Carpool | 20,970 | 6.3 | 681 | 18,053 | 5.4 | 1,323 | 18,836 | 5.6 | 1,339 | Yes |
| 3-or-more-person Carpool | 3,690 | 1.1 | 290 | 5,166 | 1.5 | 813 | 4,108 | 1.2 | 674 | No |
| Transit | 40,540 | 12.2 | 932 | 43,524 | 13.0 | 2,187 | 41,569 | 12.3 | 1,945 | No |
| Bike | 880 | 0.3 | 142 | 1,604 | 0.5 | 371 | 1,840 | 0.5 | 447 | Yes |
| Walked | 9,970 | 3.0 | 474 | 12,021 | 3.6 | 1,030 | 11,503 | 3.4 | 1,040 | Yes |
| Taxi, Motorcycle and Other means | 1,890 | 0.6 | 208 | 1,953 | 0.6 | 414 | 2,359 | 0.7 | 410 | Yes |
| Worked at Home | 11,980 | 3.6 | 519 | 13,541 | 4.1 | 1,119 | 14,968 | 4.4 | 1,180 | 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 | 323,375 | 100.0 | 1,928 | 333,306 | 100.0 | 5,369 | 322,099 | 100.0 | 4,424 | No |
| Drove alone | 261,730 | 80.9 | 1,891 | 265,149 | 79.6 | 4,380 | 256,910 | 79.8 | 4,139 | Yes |
| 2-person Carpool | 22,780 | 7.0 | 709 | 20,689 | 6.2 | 1,553 | 20,064 | 6.2 | 1,524 | Yes |
| 3-or-more-person Carpool | 4,645 | 1.4 | 325 | 5,540 | 1.7 | 865 | 5,227 | 1.6 | 672 | No |
| Transit | 10,900 | 3.4 | 495 | 14,262 | 4.3 | 1,375 | 11,735 | 3.6 | 936 | No |
| Bike | 565 | 0.2 | 114 | 906 | 0.3 | 256 | 1,116 | 0.3 | 332 | Yes |
| Walked | 9,120 | 2.8 | 453 | 10,910 | 3.3 | 911 | 9,659 | 3.0 | 1,032 | No |
| Taxi, Motorcycle and Other means | 1,660 | 0.5 | 195 | 2,309 | 0.7 | 472 | 2,420 | 0.8 | 453 | Yes |
| Worked at Home | 11,980 | 3.7 | 519 | 13,541 | 4.1 | 1,119 | 14,968 | 4.6 | 1,180 | 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) | 30.0 | 0.2 | 30.4 | 0.5 | 31.3 | 0.5 | Yes |
| Drove alone | 27.6 | 0.2 | 27.9 | 0.6 | 28.5 | 0.6 | Yes |
| Carpooled | 30.2 | 0.8 | 30.4 | 3.2 | 33.5 | 3.6 | No |
| Transit | 47.2 | 0.6 | 48.3 | 3.5 | 50.3 | 3.5 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 19.6 | 1.1 | 17.8 | 2.5 | 20.4 | 2.9 | 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
