Each edition grades its towns against each other only.
A town of 291, incorporated in 1836.
Errol’s median age is 63.1 years, above both New Hampshire’s towns (44.8 years) and U.S. towns (40.5 years). No town among the 127 in New Hampshire we compare has a lower January low than Errol. 58% of the land in Errol is conserved, above both the New Hampshire town median (18%) and the median of U.S. towns (4.3%). Umbagog National Wildlife Refuge, at 18,062 acres with 13.8 miles of trail, is the biggest park or preserve. Errol has fewer than 1,000 residents, too few for fair grades; the figures below are still real.
Where Errol beats most towns.
In a town this size, neighbors are the best guide. Ask them anything.
Census counts: 38 in 1810, 298 in 2020. The archive holds 6 old photos and papers going back to 1914 and 3 maps from 1930 on.
Who provides power, water and the rest in Errol, and how to reach them.
EPA SDWIS (Oct 9, 2026) · HIFLD + EIA-861 2025 · Census 2020 ZCTAs · NCES 2024–25 · registration: vote.gov, updated Nov 19, 2024.
Ordered by what stands out in Errol.
66 miles of trail in 7 parks and preserves. Errol’s trail density is 1.0 miles per square mile.
| Biggest places to walk | Trails | Acres |
|---|---|---|
| 1. Umbagog National Wildlife Refuge | 13.8 mi | 18,062 |
| 2. 13 Mile Woods Community Forest | 8.9 mi | 6,422 |
| 3. Umbagog State Park | 2.8 mi | 1,543 |
Trails & parks © OpenStreetMap contributors · Conserved land: USGS PAD-US
Its public schools are run by the Errol School District. Its one school is below.
| School | Level | Students | Letter |
|---|---|---|---|
| Errol Consolidated Elementary SchoolLargest public elementary schoolGrades K–8 | Grades K–8 | 10 | – |
NCES · EDFacts
The typical Errol home is worth about $293,000, down 1.5% in a year, 43% below the New Hampshire typical home. 97% of households own their home in Errol.
Census ACS, 2020–24 · Zillow Home Value Index · Redfin Data Center
Expected storm and flood damage is higher than in 82% of U.S. communities. Since 1998, 3 flood insurance claims have been paid out in Errol.
FEMA flood insurance claims · FEMA National Risk Index · OpenFEMA
The July high in Errol is 78°F. Errol has cold, snowy winters and pleasant summers.
NOAA U.S. Climate Normals, 1991–2020
Most working residents leave Errol for work: only 5% work in town. Jobs based in Errol grew to 149 in 2023, 30 more than in 2013. Among 127 New Hampshire towns, just 6 have a lower median household income than Errol.
| Errol | New Hampshire towns | U.S. towns | |
|---|---|---|---|
| Median household income | $63,000 | $103,000 | $80,000 |
| Average trip to work | 22 minutes | 28 minutes | 25 minutes |
| Working residents who work in town | 5.2% | 10% | 8% |
| Below the poverty line | 7.6% | 6.8% | 9.6% |
Census LEHD 2023 · ACS
44% of Errol adults have high blood pressure. Of the 127 New Hampshire towns we compare, none has a higher share of adults who have diabetes than Errol. 21% of Errol adults have been diagnosed with depression.
| Errol | New Hampshire towns | U.S. towns | |
|---|---|---|---|
| High blood pressure (CDC PLACES) | 44% | 34% | 35% |
| Diabetes (CDC PLACES) | 15% | 9.5% | 12% |
| Binge drink (CDC PLACES) | 13% | 16% | 16% |
| Yearly checkup (CDC PLACES) | 83% | 78% | 79% |
| What stands out | Errol | NH |
|---|---|---|
| Fewer binge drinkers | 12.6% | 15.7% |
| Fewer adults in frequent mental distress | 13.6% | 15.3% |
| More older adults who have lost all their teeth | 19.9% | 8.9% |
CDC PLACES 2025 · modeled estimates for adults · CMS · HRSA
None within 15 miles of Errol; the nearest are
About 2 of every 100 Errol residents are enrolled in college, against 6 across New Hampshire.
58% of the town is conserved land, across 7 parks and preserves.
Town in New Hampshire, United States
Errol is a town in Coös County, New Hampshire, United States. The population was 298 at the 2020 census. It is located north of the White Mountains along Route 16 at its intersection of Route 26. It has a municipal airport with a single, unpaved runway (airport code ERR). Errol is part of the Berlin, NH-VT micropolitan statistical area.
From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)
Short answers, built from the data on this page.
Errol has fewer than 1,000 residents, too few for fair grades; the figures below are still real.