Also See: Portsmouth, NH ZIP Codes & ZIP Code Maps
The City of Portsmouth is the 8th largest city in New Hampshire with a population of 22,716 as of July 1, 2021. Portsmouth ranks in the upper quartile for Population Density and Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in New Hampshire. See peer rankings below.
The primary coordinate point for Portsmouth is located at latitude 43.0718 and longitude -70.7626 in Rockingham County. The formal boundaries for the City of Portsmouth encompass a land area of 15.64 sq. miles and a water area of 1.21 sq. miles. Rockingham County is in the Eastern time zone (GMT -5). The elevation is 20 feet.
The City of Portsmouth has a C5 Census Class Code which indicates an active incorporated place that is independent of any county subdivision and serves as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.
Alternate Unofficial Names for Portsmouth: Pascataquack, Piscataqua, Rivertown, Strabery Banke, Strawberry Banck, Strawberry Bancke, Strawberry Bank, Strawberry Banke, Strawberry-bank, Strawbery Banke, The Bank.
|Total Population||22,716 (100%)|
|Population in Households||21,883 (96.3%)|
|Population in Families||13,601 (59.9%)|
|Population in Group Quarters1||833 ( 3.7%)|
|Median Household Income||$80,052|
|Average Household Income||$112,863|
|% of Income for Mortgage4||25%|
|Per Capita Income||$54,134|
|Total HU (Housing Units)||11,412 (100%)|
|Owner Occupied HU||5,444 (47.7%)|
|Renter Occupied HU||5,429 (47.6%)|
|Vacant Housing Units||539 ( 4.7%)|
|Median Home Value||$467,475|
|Average Home Value||$536,439|
|Housing Affordability Index3||85|
|Average Household Size||2.01|
|Average Family Size||3|
GROWTH RATE / YEAR
|Median Household Income||2.17%|
|Per Capita Income||2.22%|
|Owner Occupied HU||0.7%|
The table below compares Portsmouth to the other 97 incorporated cities, towns and CDPs in New Hampshire by rank and percentile using July 1, 2021 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.
|Total Population||# 8||93rd|
|Population Density||# 17||84th|
|Median Household Income||# 16||85th|
|Housing Affordability Index||# 5||5th|
|Per Capita Income||# 7||94th|
|Diversity Index||# 5||96th|
Additional comparisons and rankings can be made with a VERY EASY TO USE New Hampshire Census Data Comparison Tool.