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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 | 662,047 | -- | 663,299 | -- | 658,466 | 659,122 | -- | -- |
| Persons in Households 2 | 645,936 | 507 | 646,925 | -- | 642,692 | 644,091 | -- | -- |
| Total Households 3 | 263,255 | 610 | 267,435 | 2,104 | 263,568 | 257,586 | 1,958 | Yes |
| Average Number of Persons per Household 4 | 2.45 | 0.01 | 2.42 | 0.02 | 2.44 | 2.50 | 0.02 | Yes |
| Average Household Income 5 | $51,820 | $411 | $64,510 | $1,238 | -- | $64,446 | $1,373 | Yes |
| Average Number of Vehicles per Household 6 | 1.70 | 0.01 | 1.78 | 0.02 | -- | 1.76 | 0.03 | Yes |
| Percent of Persons in Poverty 7 | 14.80 | 0.20 | 15.00 | 0.76 | -- | 18.50 | 0.75 | Yes |
| Percent Minority 8 | 41.80 | 0.20 | 44.70 | 0.25 | 47.00 | 46.90 | 0.22 | Yes |
| Percent of Persons 65 and Over 9 | 13.70 | 0.20 | 13.40 | 0.28 | 13.10 | 13.30 | 0.28 | Yes |
| Percent of Persons Foreign Born 10 | 2.30 | 0.10 | 4.00 | 0.25 | -- | 4.30 | 0.19 | Yes |
| Total Workers at Place of Residence11 | 297,646 | 1,638 | 310,738 | 3,198 | -- | 287,948 | 3,112 | 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 | 292,450 | 100.0 | 1,635 | 299,485 | 100.0 | 3,213 | 283,038 | 100.0 | 3,097 | Yes |
| Drove alone | 243,720 | 83.3 | 1,588 | 250,317 | 83.6 | 3,502 | 240,103 | 84.8 | 3,626 | No |
| 2-person Carpool | 27,460 | 9.4 | 656 | 25,736 | 8.6 | 2,002 | 22,615 | 8.0 | 1,450 | Yes |
| 3-or-more-person Carpool | 6,870 | 2.3 | 334 | 8,050 | 2.7 | 1,086 | 5,076 | 1.8 | 943 | Yes |
| Transit | 2,960 | 1.0 | 220 | 3,299 | 1.1 | 561 | 2,558 | 0.9 | 476 | No |
| Bike | 185 | 0.1 | 55 | 401 | 0.1 | 197 | 368 | 0.1 | 160 | Yes |
| Walked | 3,840 | 1.3 | 250 | 3,684 | 1.2 | 770 | 3,538 | 1.3 | 521 | No |
| Taxi, Motorcycle and Other means | 1,980 | 0.7 | 180 | 1,771 | 0.6 | 343 | 1,448 | 0.5 | 439 | Yes |
| Worked at Home | 5,430 | 1.9 | 297 | 6,227 | 2.1 | 665 | 7,332 | 2.6 | 819 | 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 | 355,070 | 100.0 | 1,642 | 364,452 | 100.0 | 4,246 | 350,472 | 100.0 | 3,817 | Yes |
| Drove alone | 297,180 | 83.7 | 1,637 | 305,405 | 83.8 | 4,659 | 299,210 | 85.4 | 4,112 | No |
| 2-person Carpool | 34,655 | 9.8 | 733 | 33,181 | 9.1 | 2,295 | 28,029 | 8.0 | 1,685 | Yes |
| 3-or-more-person Carpool | 8,495 | 2.4 | 371 | 9,651 | 2.6 | 1,162 | 7,243 | 2.1 | 1,141 | Yes |
| Transit | 2,960 | 0.8 | 220 | 3,263 | 0.9 | 545 | 2,555 | 0.7 | 513 | No |
| Bike | 195 | 0.1 | 56 | 398 | 0.1 | 201 | 354 | 0.1 | 160 | No |
| Walked | 3,780 | 1.1 | 248 | 3,950 | 1.1 | 806 | 3,497 | 1.0 | 485 | No |
| Taxi, Motorcycle and Other means | 2,375 | 0.7 | 197 | 2,377 | 0.7 | 433 | 2,252 | 0.6 | 521 | No |
| Worked at Home | 5,430 | 1.5 | 297 | 6,227 | 1.7 | 665 | 7,332 | 2.1 | 819 | 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) | 24.3 | 0.2 | 23.3 | 0.5 | 23.4 | 0.5 | Yes |
| Drove alone | 23.7 | 0.2 | 22.6 | 0.5 | 23.1 | 0.5 | Yes |
| Carpooled | 26.9 | 0.5 | 26.6 | 2.8 | 25.1 | 2.3 | No |
| Transit | 50.0 | 3.0 | 47.2 | 12.3 | 44.7 | 12.8 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 20.2 | 1.3 | 20.4 | 5.4 | 19.2 | 5.1 | 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
