Download an Excel file* of this document: profile_new_hampshire__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? ** |
|||
|---|---|---|---|---|---|---|---|---|
| Value | MOE(+/-) | Value | MOE(+/-) | Value | Value | MOE(+/-) | ||
| Total Persons 1 | 20,785 | -- | 20,536 | 36 | 20,779 | 21,293 | 31 | -- |
| Persons in Households 2 | 20,174 | 99 | 20,012 | -- | 20,334 | 20,647 | -- | -- |
| Total Households 3 | 9,933 | 63 | 9,356 | 340 | 10,014 | 10,425 | 336 | Yes |
| Average Number of Persons per Household 4 | 2.03 | 0.03 | 2.14 | 0.08 | 2.03 | 1.98 | 0.06 | No |
| Average Household Income 5 | $56,240 | $1,996 | $76,699 | $5,853 | -- | $83,602 | $6,901 | Yes |
| Average Number of Vehicles per Household 6 | 1.51 | 0.04 | 1.65 | 0.09 | -- | 1.57 | 0.08 | No |
| Percent of Persons in Poverty 7 | 9.30 | 0.80 | 7.90 | 2.20 | -- | 8.00 | 2.42 | No |
| Percent Minority 8 | 6.10 | 0.70 | -- | -- | 8.50 | 7.20 | 1.90 | No |
| Percent of Persons 65 and Over 9 | 16.40 | 1.00 | 15.80 | 2.13 | 15.90 | 16.20 | 2.08 | No |
| Percent of Persons Foreign Born 10 | 4.90 | 0.60 | 4.80 | 1.23 | -- | 8.00 | 2.17 | Yes |
| Total Workers at Place of Residence11 | 11,938 | 288 | -- | -- | -- | 12,719 | 537 | 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? ** |
||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Number | Percent | MOE(+/-)* | Number | Percent | MOE(+/-)* | Number | Percent | MOE(+/-)* | ||
| Total Workers | 11,775 | 100.0 | 289 | -- | 100.0 | -- | -- | 100.0 | -- | -- |
| Drove alone | 9,485 | 80.6 | 291 | -- | -- | -- | -- | -- | -- | -- |
| 2-person Carpool | 630 | 5.4 | 100 | -- | -- | -- | -- | -- | -- | -- |
| 3-or-more-person Carpool | 125 | 1.1 | 45 | -- | -- | -- | -- | -- | -- | -- |
| Transit | 170 | 1.4 | 53 | -- | -- | -- | -- | -- | -- | -- |
| Bike | 40 | 0.3 | 26 | -- | -- | -- | -- | -- | -- | -- |
| Walked | 580 | 4.9 | 96 | -- | -- | -- | -- | -- | -- | -- |
| Taxi, Motorcycle and Other means | 120 | 1.0 | 44 | -- | -- | -- | -- | -- | -- | -- |
| Worked at Home | 630 | 5.4 | 100 | -- | -- | -- | -- | -- | -- | -- |
| 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? ** |
||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Number | Percent | MOE(+/-)* | Number | Percent | MOE(+/-)* | Number | Percent | MOE(+/-)* | ||
| At Place of Work | ||||||||||
| Total Workers | 27,350 | 100.0 | -- | -- | 100.0 | -- | 29,739 | 100.0 | 1,349 | -- |
| Drove alone | 23,510 | 86.0 | -- | -- | -- | -- | 25,230 | 84.8 | 1,220 | -- |
| 2-person Carpool | 1,895 | 6.9 | 168 | -- | -- | -- | 1,942 | 6.5 | 433 | No |
| 3-or-more-person Carpool | 430 | 1.6 | 83 | -- | -- | -- | 229 | 0.8 | 150 | Yes |
| Transit | 160 | 0.6 | 51 | -- | -- | -- | 156 | 0.5 | 108 | No |
| Bike | 45 | 0.2 | 27 | -- | -- | -- | 165 | 0.6 | 141 | No |
| Walked | 535 | 2.0 | 92 | -- | -- | -- | 857 | 2.9 | 284 | Yes |
| Taxi, Motorcycle and Other means | 140 | 0.5 | 48 | -- | -- | -- | 103 | 0.3 | 61 | No |
| Worked at Home | 630 | 2.3 | 100 | -- | -- | -- | 1,057 | 3.6 | 359 | 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? ** |
|||
|---|---|---|---|---|---|---|---|
| Minutes | MOE(+/-) | Minutes | MOE(+/-) | Minutes | MOE(+/-) | ||
| At Place of Residence | |||||||
| Total Workers (does not include workers who worked at home) | 21.5 | 1.0 | -- | -- | -- | -- | -- |
| Drove alone | 19.5 | 1.0 | -- | -- | -- | -- | -- |
| Carpooled | 23.5 | 3.4 | -- | -- | -- | -- | -- |
| Transit | 56.6 | 16.0 | -- | -- | -- | -- | -- |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 36.3 | 6.7 | -- | -- | -- | -- | -- |
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