Compare towns

New Castle vs Auburn

Cost, people, housing, commute and schools, side by side, each benchmarked against New Hampshire.

What stands out worked out from the figures below

New Castle has the most expensive homes ($1701k median).
Auburn has grown the fastest since 2010 (+20%).

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.

MeasureNew CastleAuburn
People
Population
827Lowest
6,119Highest
Growth since 20102010 → 2020 census
+3.3%Lowest
NH: +4.6%
+20%Highest
NH: +4.6%
Median age
62.8±6Highest
45% above NH
44.3±5.9Lowest
about the NH average
Kids under 18
12.9%±7.1Lowest
NH: 18.2%
19.3%±4.3Highest
NH: 18.2%
Auburn and New Castle are within the Census margin of error here, so we can’t say which is really higher.
Age 65+
44.3%±16.1Highest
NH: 20.1%
13.4%±3.2Lowest
NH: 20.1%
Bachelor’s degree+adults 25+
68.8%Highest
NH: 40.6%
55.3%Lowest
NH: 40.6%
Enrolled in collegeshare of residents
0.6%±1.8Lowest
NH: 6%
7.2%±4.7Highest
NH: 6%
Cost of living
Household incomemedian
$176,953±$29kHighest
79% above NH
$153,253±$6kLowest
55% above NH
New Castle and Auburn are within the Census margin of error here, so we can’t say which is really higher.
Home valuemedian, owner-occupied
$1,701,300±$267kHighest
323% above NH
$600,300±$29kLowest
49% above NH
Rentmedian gross, monthly
$3,501Highest
135% above NH
$1,893±$822Lowest
27% above NH
Property taxmedian, yearly
$8,509Highest
28% above NH
$8,092Lowest
21% above NH
Renters paying 30%+of income on rent
0%±85.7Lowest
NH: 48.2%
27.6%±27Highest
NH: 48.2%
Auburn and New Castle are within the Census margin of error here, so we can’t say which is really higher.
Below poverty line
4.6%Highest
NH: 7.2%
2.5%Lowest
NH: 7.2%
Housing
Homeownersof occupied homes
93%Lowest
NH: 72.8%
93.9%Highest
NH: 72.8%
Typical home builtmedian year
1975Lowest
4 yrs older than NH
1984Highest
5 yrs newer than NH
Getting to work
Average commuteone way
33 minHighest
22% above NH
28 minLowest
4% above NH
Work from home
40.1%±19.4Highest
NH: 16.8%
26.5%±6.6Lowest
NH: 16.8%
New Castle and Auburn 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 — #44 of 120 in NH
School district New Castle School District Auburn School District
High school in town None in town None in town
On TownTapestry
Old photos in Our Story None yet None yet

NH 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.