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2000, 2007-2009 ACS, Census 2010 and 2010-2012 ACS

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Geographic Area: Portsmouth city, New Hampshire FIPS: 3362900

Download an Excel file* of this document: profile_new_hampshire__portsmouth_city.xls.

Table 1. Selected Characteristics
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
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
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
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

Updated: 8/11/2017
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