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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 | 458,614 | -- | 466,650 | -- | 483,878 | 488,237 | -- | -- |
| Persons in Households 2 | 447,492 | 536 | 455,808 | -- | 473,835 | 478,110 | -- | -- |
| Total Households 3 | 172,690 | 512 | 179,716 | 1,460 | 185,825 | 183,773 | 1,365 | Yes |
| Average Number of Persons per Household 4 | 2.59 | 0.02 | 2.54 | 0.02 | 2.55 | 2.60 | 0.02 | No |
| Average Household Income 5 | $67,260 | $711 | $83,558 | $2,070 | -- | $80,775 | $1,758 | Yes |
| Average Number of Vehicles per Household 6 | 1.90 | 0.02 | 1.94 | 0.03 | -- | 1.91 | 0.03 | No |
| Percent of Persons in Poverty 7 | 8.10 | 0.20 | 9.50 | 0.73 | -- | 12.40 | 0.73 | Yes |
| Percent Minority 8 | 18.50 | 0.30 | 18.70 | 0.72 | 23.20 | 19.80 | 0.82 | Yes |
| Percent of Persons 65 and Over 9 | 12.50 | 0.30 | 13.30 | 0.37 | 13.90 | 14.50 | 0.35 | Yes |
| Percent of Persons Foreign Born 10 | 14.30 | 0.30 | 16.20 | 0.51 | -- | 16.40 | 0.55 | Yes |
| Total Workers at Place of Residence11 | 229,980 | 1,744 | 233,426 | 2,914 | -- | 231,636 | 2,849 | 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 | 224,945 | 100.0 | 1,743 | 224,887 | 100.0 | 2,727 | 223,856 | 100.0 | 2,802 | No |
| Drove alone | 168,135 | 74.7 | 1,681 | 166,113 | 73.9 | 3,131 | 170,895 | 76.3 | 2,678 | No |
| 2-person Carpool | 21,490 | 9.6 | 737 | 18,669 | 8.3 | 1,630 | 17,731 | 7.9 | 1,278 | Yes |
| 3-or-more-person Carpool | 6,790 | 3.0 | 421 | 6,662 | 3.0 | 1,081 | 4,721 | 2.1 | 801 | Yes |
| Transit | 5,444 | 2.4 | 378 | 4,868 | 2.2 | 716 | 3,729 | 1.7 | 718 | Yes |
| Bike | 1,745 | 0.8 | 215 | 2,820 | 1.3 | 654 | 2,201 | 1.0 | 487 | No |
| Walked | 6,930 | 3.1 | 425 | 7,790 | 3.5 | 1,173 | 6,806 | 3.0 | 963 | No |
| Taxi, Motorcycle and Other means | 2,160 | 1.0 | 239 | 2,117 | 0.9 | 473 | 2,627 | 1.2 | 498 | No |
| Worked at Home | 12,245 | 5.4 | 562 | 15,848 | 7.0 | 1,179 | 15,146 | 6.8 | 1,057 | 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 | 200,360 | 100.0 | 1,730 | 205,813 | 100.0 | 3,274 | 203,752 | 100.0 | 3,540 | No |
| Drove alone | 150,900 | 75.3 | 1,639 | 151,547 | 73.6 | 3,282 | 156,317 | 76.7 | 3,132 | Yes |
| 2-person Carpool | 18,080 | 9.0 | 679 | 16,731 | 8.1 | 1,501 | 14,437 | 7.1 | 1,188 | Yes |
| 3-or-more-person Carpool | 6,090 | 3.0 | 399 | 5,700 | 2.8 | 1,109 | 4,100 | 2.0 | 775 | Yes |
| Transit | 2,739 | 1.4 | 269 | 3,502 | 1.7 | 650 | 2,789 | 1.4 | 696 | No |
| Bike | 1,700 | 0.8 | 212 | 2,861 | 1.4 | 651 | 2,165 | 1.1 | 466 | No |
| Walked | 6,925 | 3.5 | 425 | 7,662 | 3.7 | 1,153 | 6,756 | 3.3 | 953 | No |
| Taxi, Motorcycle and Other means | 1,680 | 0.8 | 211 | 1,962 | 1.0 | 486 | 2,042 | 1.0 | 444 | No |
| Worked at Home | 12,245 | 6.1 | 562 | 15,848 | 7.7 | 1,179 | 15,146 | 7.4 | 1,057 | 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) | 26.8 | 0.3 | 25.4 | 0.7 | 25.4 | 0.7 | Yes |
| Drove alone | 25.2 | 0.3 | 24.7 | 0.8 | 24.4 | 0.8 | No |
| Carpooled | 31.5 | 1.0 | 30.5 | 3.5 | 31.4 | 3.4 | No |
| Transit | 69.5 | 3.3 | 52.9 | 11.7 | 60.0 | 16.6 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 17.9 | 1.3 | 14.6 | 2.8 | 15.9 | 2.8 | 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
