Download an Excel file* of this document: profile_virginia__portsmouth_city.xls.
| 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 | 100,565 | -- | 100,080 | -- | 95,535 | 95,915 | -- | -- |
| Persons in Households 2 | 95,730 | 324 | 96,940 | -- | 92,119 | 92,365 | -- | -- |
| Total Households 3 | 38,137 | 270 | 38,783 | 783 | 37,324 | 36,752 | 866 | Yes |
| Average Number of Persons per Household 4 | 2.51 | 0.04 | 2.50 | 0.04 | 2.47 | 2.51 | 0.04 | No |
| Average Household Income 5 | $41,555 | $875 | $55,407 | $2,270 | -- | $55,212 | $2,599 | Yes |
| Average Number of Vehicles per Household 6 | 1.51 | 0.03 | 1.69 | 0.06 | -- | 1.64 | 0.07 | Yes |
| Percent of Persons in Poverty 7 | 16.20 | 0.60 | 15.70 | 2.01 | -- | 18.30 | 2.12 | No |
| Percent Minority 8 | 54.20 | 0.80 | 56.20 | 0.34 | 58.40 | 58.80 | 0.58 | Yes |
| Percent of Persons 65 and Over 9 | 13.80 | 0.50 | 12.60 | 0.71 | 13.20 | 13.30 | 0.70 | No |
| Percent of Persons Foreign Born 10 | 1.60 | 0.20 | 2.90 | 0.62 | -- | 2.40 | 0.38 | Yes |
| Total Workers at Place of Residence11 | 44,811 | 754 | 49,359 | 1,614 | -- | 42,288 | 2,074 | 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 | 43,920 | 100.0 | 752 | -- | 100.0 | -- | 41,095 | 100.0 | 1,397 | Yes |
| Drove alone | 31,995 | 72.8 | 706 | -- | -- | -- | 32,609 | 79.4 | 1,642 | No |
| 2-person Carpool | 5,520 | 12.6 | 345 | -- | -- | -- | 2,825 | 6.9 | 507 | Yes |
| 3-or-more-person Carpool | 1,355 | 3.1 | 175 | -- | -- | -- | 879 | 2.1 | 285 | Yes |
| Transit | 1,230 | 2.8 | 167 | -- | -- | -- | 832 | 2.0 | 236 | Yes |
| Bike | 265 | 0.6 | 78 | -- | -- | -- | 226 | 0.5 | 120 | No |
| Walked | 1,440 | 3.3 | 180 | -- | -- | -- | 1,611 | 3.9 | 596 | No |
| Taxi, Motorcycle and Other means | 925 | 2.1 | 145 | -- | -- | -- | 612 | 1.5 | 278 | No |
| Worked at Home | 1,200 | 2.7 | 165 | -- | -- | -- | 1,501 | 3.7 | 960 | No |
| 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 | 49,870 | 100.0 | 758 | 58,114 | 100.0 | 2,661 | 51,926 | 100.0 | 2,171 | No |
| Drove alone | 38,845 | 77.9 | 738 | 46,827 | 80.6 | 2,284 | 42,716 | 82.3 | 1,805 | Yes |
| 2-person Carpool | 5,310 | 10.6 | 339 | 4,529 | 7.8 | 781 | 3,160 | 6.1 | 581 | Yes |
| 3-or-more-person Carpool | 1,365 | 2.7 | 175 | 1,131 | 1.9 | 363 | 1,649 | 3.2 | 370 | No |
| Transit | 815 | 1.6 | 136 | 621 | 1.1 | 289 | 719 | 1.4 | 252 | No |
| Bike | 250 | 0.5 | 76 | 202 | 0.3 | 116 | 234 | 0.5 | 125 | No |
| Walked | 1,200 | 2.4 | 165 | 2,289 | 3.9 | 983 | 1,550 | 3.0 | 558 | No |
| Taxi, Motorcycle and Other means | 885 | 1.8 | 142 | 703 | 1.2 | 244 | 397 | 0.8 | 157 | Yes |
| Worked at Home | 1,200 | 2.4 | 165 | 1,812 | 3.1 | 438 | 1,501 | 2.9 | 960 | No |
| 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) | 23.8 | 0.5 | -- | -- | 25.5 | 2.0 | No |
| Drove alone | 22.8 | 0.5 | -- | -- | 25.7 | 2.3 | Yes |
| Carpooled | 26.4 | 1.4 | -- | -- | 27.2 | 6.5 | No |
| Transit | 52.2 | 5.4 | -- | -- | 41.3 | 17.6 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 17.1 | 1.9 | -- | -- | 14.7 | 5.2 | 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
