Compare towns

Portsmouth vs Newington vs Kittery vs New Castle

Cost, people, housing, commute and schools, side by side, each benchmarked against the U.S..

What stands out worked out from the figures below

Portsmouth has the most renters (48.1% rent).
Newington has grown the fastest since 2010 (+7.7%).
Kittery has the most affordable homes ($469k median).
New Castle has the most expensive homes ($1701k median).

What matters to you?

Pick a few. We’ll pull those rows to the top and mark which town comes out ahead on each. There’s no overall score: what matters is up to you.

MeasurePortsmouthNewingtonKitteryNew Castle
People
Population
22,545Highest
939
10,473
827Lowest
Growth since 20102010 → 2020 census
+5.7%
U.S.: +7.4%
+7.7%Highest
U.S.: +7.4%
+6.1%
U.S.: +7.4%
+3.3%Lowest
U.S.: +7.4%
Median age
42.9±2Lowest
10% above U.S.
48.7±10.1
25% above U.S.
46.8±2.3
20% above U.S.
62.8±6Highest
61% above U.S.
New Castle and Newington are within the Census margin of error here, so we can’t say which is really higher.
Kids under 18
14%±1.9
U.S.: 22%
15.7%±4.9Highest
U.S.: 22%
14.7%±2.9
U.S.: 22%
12.9%±7.1Lowest
U.S.: 22%
Newington and Kittery are within the Census margin of error here, so we can’t say which is really higher.
Age 65+
21.9%±2.4Lowest
U.S.: 17.2%
28%±11
U.S.: 17.2%
26.9%±4.9
U.S.: 17.2%
44.3%±16.1Highest
U.S.: 17.2%
New Castle and Newington are within the Census margin of error here, so we can’t say which is really higher.
Bachelor’s degree+adults 25+
64%
U.S.: 35.7%
62.4%
U.S.: 35.7%
46%Lowest
U.S.: 35.7%
68.8%Highest
U.S.: 35.7%
Enrolled in collegeshare of residents
3.8%±1.2
U.S.: 6.4%
3.9%±1.8
U.S.: 6.4%
4.5%±1.5Highest
U.S.: 6.4%
0.6%±1.8Lowest
U.S.: 6.4%
Kittery and Newington are within the Census margin of error here, so we can’t say which is really higher.
Cost of living
Household incomemedian
$106,219±$7k
32% above U.S.
$145,833±$46k
81% above U.S.
$93,728±$14kLowest
16% above U.S.
$176,953±$29kHighest
119% above U.S.
New Castle and Newington are within the Census margin of error here, so we can’t say which is really higher.
Home valuemedian, owner-occupied
$688,500±$39k
107% above U.S.
$861,600±$46k
159% above U.S.
$468,500±$31kLowest
41% above U.S.
$1,701,300±$267kHighest
411% above U.S.
Rentmedian gross, monthly
$1,869±$111
32% above U.S.
$2,292±$795
62% above U.S.
$1,716±$224Lowest
21% above U.S.
$3,501Highest
148% above U.S.
Property taxmedian, yearly
$8,018
157% above U.S.
$6,081
95% above U.S.
$4,518Lowest
45% above U.S.
$8,509Highest
173% above U.S.
Renters paying 30%+of income on rent
50.4%±7.2
U.S.: 51.1%
62.9%±44Highest
U.S.: 51.1%
38.8%±14.9
U.S.: 51.1%
0%±85.7Lowest
U.S.: 51.1%
Newington and Portsmouth are within the Census margin of error here, so we can’t say which is really higher.
Below poverty line
6.8%Highest
U.S.: 12.5%
4%Lowest
U.S.: 12.5%
6.4%
U.S.: 12.5%
4.6%
U.S.: 12.5%
Housing
Homeownersof occupied homes
51.9%Lowest
U.S.: 65.2%
86.9%
U.S.: 65.2%
67.2%
U.S.: 65.2%
93%Highest
U.S.: 65.2%
Typical home builtmedian year
1959Lowest
21 yrs older than U.S.
1984Highest
4 yrs newer than U.S.
1965
15 yrs older than U.S.
1975
5 yrs older than U.S.
Getting to work
Average commuteone way
22 min
16% below U.S.
23 min
12% below U.S.
20 minLowest
24% below U.S.
33 minHighest
23% above U.S.
Work from home
21.9%±4
U.S.: 15.1%
8%±2.4Lowest
U.S.: 15.1%
22.7%±7.2
U.S.: 15.1%
40.1%±19.4Highest
U.S.: 15.1%
New Castle and Kittery are within the Census margin of error here, so we can’t say which is really higher.
Schools
Public school scoresrank in state, math + reading #11 of 120 in NH — #17 of 133 in ME —
School district Portsmouth School District Newington School District Kittery Public Schools New Castle School District
High school in town Portsmouth High School None in town Robert W Traip Academy None in town
Students per teacherat that high school
11.4Highest
—
9.9Lowest
—
On TownTapestry
Old photos in Our Story None yet None yet None yet None yet

U.S. average · Sources: U.S. Census Bureau, American Community Survey 5-year estimates 2020–2024; 2010 & 2020 decennial census; NCES Common Core of Data. “±” is the Census margin of error. Property tax is top-coded by the Census at $10,000+. School rank compares math and reading proficiency against the state average.