Each edition grades its towns against each other only.
A town of 370, settled in 1857.
Castle Hill’s median age is 57.8 years, where Maine’s towns sit at 44.9 years and U.S. towns at 40.5 years. No town among the 144 in Maine we compare has a lower share of working residents who work in town than Castle Hill. The biggest park or preserve is Haystack State Park, at 214 acres. Castle Hill has fewer than 1,000 residents, too few for fair grades; the figures below are still real.
In a town this size, neighbors are the best guide. Ask them anything.
Census counts: 237 in 1870, a peak of 697 in 1940, 373 in 2020. The archive holds 1 old photo or paper going back to 2017 and 4 maps from 1935 on.
Who provides power, water and the rest in Castle Hill, and how to reach them.
EPA SDWIS (Oct 9, 2026) · HIFLD + EIA-861 2025 · Census 2020 ZCTAs · NCES 2024–25 · registration: vote.gov, updated Aug 3, 2026.
Ordered by what stands out in Castle Hill.
People 65 and older are 45% of residents (22% statewide); adults 35 to 64 are 21% of residents (40% statewide). 14% of residents are under 18 in Castle Hill, below both the Maine town median (18%) and the median of U.S. towns (22%). 27% of adults 25 and older have a bachelor’s degree or more, vs 36% across Maine.
| Castle Hill | Maine towns | U.S. towns | |
|---|---|---|---|
| Under 18 | 14% | 18% | 22% |
| Bachelor’s degree or more, 25+ | 27% | 32% | 29% |
57% women, 43% men
About 75 men for every 100 women (the survey’s margin: ±2.3 points). Across Maine, 50.7% of residents are women.
| Castle Hill | ME | U.S. | |
|---|---|---|---|
| Under 10 | 10.3% | 9.5% | 11.6% |
| 10 to 17 | 3.9% | 8.5% | 10.3% |
| 18 to 24 | 8.5% | 8% | 9.1% |
| 25 to 34 | 11.7% | 12% | 13.7% |
| 35 to 44 | 4.6% | 12.2% | 13.2% |
| 45 to 54 | 7.8% | 12.2% | 12.2% |
| 55 to 64 | 8.2% | 15.1% | 12.7% |
| 65 to 74 | 27.8% | 13.4% | 10.2% |
| 75 and older | 17.1% | 8.9% | 7% |
| No diploma | 4.6% | 5.2% | 10.4% |
| High school | 33.6% | 30.1% | 26% |
| Some college | 21.2% | 18.1% | 19.1% |
| Associate’s | 13.8% | 10.4% | 8.8% |
| Bachelor’s | 18.4% | 22.5% | 21.6% |
| Graduate | 8.3% | 13.7% | 14.1% |
U.S. Census Bureau · ACS 2020-2024 5-year estimates · in a town of 400, single groups can be off by several points
Expected storm and flood damage is lower than in 81% of U.S. communities.
FEMA National Risk Index · OpenFEMA
Most working residents leave Castle Hill for work: only 1% work in town. Castle Hill’s average trip to work is 19 minutes. The top destinations are Presque Isle (52%), Mapleton (8%) and Caribou (6%).
| Castle Hill | Maine towns | U.S. towns | |
|---|---|---|---|
| Average trip to work | 19 minutes | 25 minutes | 25 minutes |
| Median household income | $54,000 | $78,000 | $80,000 |
| Below the poverty line | 4.3% | 9% | 9.6% |
Census LEHD 2023 · ACS
Castle Hill has cold, snowy winters and pleasant summers. The July high in Castle Hill is 77°F.
NOAA U.S. Climate Normals, 1991–2020
Castle Hill beats the Maine average on 0 of 32 CDC measures and trails it on 3. 40% of Castle Hill adults have high blood pressure.
| Castle Hill | Maine towns | U.S. towns | |
|---|---|---|---|
| High blood pressure (CDC PLACES) | 40% | 35% | 35% |
| Obesity (CDC PLACES) | 39% | 33% | 35% |
| Binge drink (CDC PLACES) | 14% | 15% | 16% |
| Yearly checkup (CDC PLACES) | 82% | 81% | 79% |
| What stands out | Castle Hill | ME |
|---|---|---|
| More adults who get no exercise | 27.2% | 23.1% |
| More adults with obesity | 38.5% | 32.7% |
| More adults with high blood pressure | 40% | 35.7% |
CDC PLACES 2025 · modeled estimates for adults · CMS · HRSA
21 miles of trail in 1 park or preserve.
| Castle Hill | Maine towns | U.S. towns | |
|---|---|---|---|
| Conserved land | 0.9% | 4.7% | 4.3% |
| Miles of trail per square mile | 0.6 miles per square mile | 0.7 | 0.4 |
| Biggest places to walk | Trails | Acres |
|---|---|---|
| 1. Haystack State Park | 0.4 mi | 214 |
Trails & parks © OpenStreetMap contributors · Conserved land: USGS PAD-US
2 within 15 miles of the center of Castle Hill
About 2 of every 100 Castle Hill residents are enrolled in college, against 6 across Maine.
Where Castle Hill’s working residents go each day. Line width shows the share.
Census LEHD 2023
Town in Maine, United States
Castle Hill is a town in Aroostook County, Maine, United States. The population was 373 people at the 2020 census.
From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)
Short answers, built from the data on this page.
Castle Hill has fewer than 1,000 residents, too few for fair grades; the figures below are still real.