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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 | 606,024 | -- | 685,224 | -- | 713,335 | 723,763 | -- | -- |
| Persons in Households 2 | 596,901 | 453 | 676,355 | -- | 702,938 | 713,545 | -- | -- |
| Total Households 3 | 224,966 | 495 | 262,162 | 1,774 | 268,325 | 268,565 | 1,654 | Yes |
| Average Number of Persons per Household 4 | 2.65 | 0.01 | 2.58 | 0.01 | 2.62 | 2.66 | 0.02 | No |
| Average Household Income 5 | $62,385 | $484 | $79,194 | $1,077 | -- | $79,167 | $1,135 | Yes |
| Average Number of Vehicles per Household 6 | 1.97 | 0.01 | 2.05 | 0.03 | -- | 2.02 | 0.02 | Yes |
| Percent of Persons in Poverty 7 | 6.90 | 0.20 | 8.50 | 0.52 | -- | 10.50 | 0.66 | Yes |
| Percent Minority 8 | 14.50 | 0.20 | 18.10 | 0.31 | 21.60 | 20.00 | 0.32 | Yes |
| Percent of Persons 65 and Over 9 | 9.10 | 0.20 | 9.70 | 0.23 | 10.30 | 10.80 | 0.26 | Yes |
| Percent of Persons Foreign Born 10 | 9.70 | 0.20 | 13.10 | 0.42 | -- | 14.50 | 0.45 | Yes |
| Total Workers at Place of Residence11 | 306,713 | 1,861 | 360,106 | 3,244 | -- | 352,214 | 2,996 | 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 | 299,860 | 100.0 | 1,861 | 345,301 | 100.0 | 3,088 | 344,529 | 100.0 | 2,938 | Yes |
| Drove alone | 225,425 | 75.2 | 1,799 | 255,720 | 74.1 | 3,067 | 259,117 | 75.2 | 3,035 | Yes |
| 2-person Carpool | 33,360 | 11.1 | 849 | 34,695 | 10.0 | 2,130 | 32,058 | 9.3 | 2,070 | No |
| 3-or-more-person Carpool | 8,955 | 3.0 | 449 | 10,049 | 2.9 | 1,084 | 7,154 | 2.1 | 941 | Yes |
| Transit | 11,495 | 3.8 | 508 | 17,897 | 5.2 | 1,499 | 19,422 | 5.6 | 1,408 | Yes |
| Bike | 785 | 0.3 | 134 | 1,372 | 0.4 | 415 | 767 | 0.2 | 231 | No |
| Walked | 5,690 | 1.9 | 359 | 5,695 | 1.6 | 731 | 6,482 | 1.9 | 810 | No |
| Taxi, Motorcycle and Other means | 2,155 | 0.7 | 222 | 3,190 | 0.9 | 479 | 3,440 | 1.0 | 589 | Yes |
| Worked at Home | 11,995 | 4.0 | 519 | 16,683 | 4.8 | 1,130 | 16,089 | 4.7 | 1,125 | 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 | 234,255 | 100.0 | 1,813 | 274,004 | 100.0 | 3,389 | 274,369 | 100.0 | 3,886 | Yes |
| Drove alone | 179,805 | 76.8 | 1,700 | 207,125 | 75.6 | 3,355 | 212,519 | 77.5 | 3,577 | Yes |
| 2-person Carpool | 23,455 | 10.0 | 718 | 25,432 | 9.3 | 1,696 | 21,817 | 8.0 | 1,792 | No |
| 3-or-more-person Carpool | 6,965 | 3.0 | 397 | 8,849 | 3.2 | 1,241 | 6,700 | 2.4 | 827 | No |
| Transit | 4,225 | 1.8 | 310 | 6,804 | 2.5 | 915 | 7,502 | 2.7 | 988 | Yes |
| Bike | 720 | 0.3 | 128 | 1,438 | 0.5 | 436 | 811 | 0.3 | 235 | No |
| Walked | 5,530 | 2.4 | 354 | 5,516 | 2.0 | 739 | 6,341 | 2.3 | 868 | No |
| Taxi, Motorcycle and Other means | 1,565 | 0.7 | 189 | 2,157 | 0.8 | 378 | 2,590 | 0.9 | 481 | Yes |
| Worked at Home | 11,995 | 5.1 | 519 | 16,683 | 6.1 | 1,130 | 16,089 | 5.9 | 1,125 | 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) | 29.6 | 0.2 | 29.7 | 0.6 | 29.2 | 0.5 | No |
| Drove alone | 28.2 | 0.2 | 27.9 | 0.6 | 27.3 | 0.6 | Yes |
| Carpooled | 33.2 | 0.6 | 32.8 | 2.6 | 33.2 | 2.8 | No |
| Transit | 50.7 | 1.4 | 53.3 | 6.8 | 51.0 | 5.6 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 21.6 | 1.5 | 20.9 | 3.8 | 20.9 | 4.2 | 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
