222 years in pictures
Census counts: 132 in 1820, a peak of 516 in 1900, 322 in 2020. The archive holds 8 old photos and papers going back to 2004 and 3 maps from 1910 on.
- 1804Adelphi is laid out
Each edition grades its towns against each other only.

A town of 313, laid out in 1804.
26% of residents live below the poverty line in Adelphi, above both the Ohio town median (9.1%) and the median of U.S. towns (9.6%). Adelphi has fewer than 1,000 residents, too few for fair grades; the figures below are still real.
Where Adelphi beats most towns.
In a town this size, neighbors are the best guide. Ask them anything.
Census counts: 132 in 1820, a peak of 516 in 1900, 322 in 2020. The archive holds 8 old photos and papers going back to 2004 and 3 maps from 1910 on.
Who provides power, water and the rest in Adelphi, 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 Adelphi.
Expected storm and flood damage is lower than in 84% of U.S. communities.
FEMA National Risk Index · OpenFEMA
Most working residents leave Adelphi for work: only 0% work in town. At 31 minutes, Adelphi’s average trip to work is above both Ohio’s towns (24 minutes) and U.S. towns (25 minutes). The top destinations are Green Township (22%), Chillicothe (20%) and Columbus (9%).
Census LEHD 2023 · ACS
Adelphi has chilly winters and warm summers. July afternoons reach 85°, January nights drop to 22° and about 15 inches of snow falls in a winter.
NOAA U.S. Climate Normals, 1991–2020
Adelphi beats the Ohio average on 0 of 32 CDC measures and trails it on 3. 42% of Adelphi adults have obesity.
| Adelphi | Ohio towns | U.S. towns | |
|---|---|---|---|
| Obesity (CDC PLACES) | 42% | 38% | 35% |
| Depression (CDC PLACES) | 27% | 26% | 23% |
| Binge drink (CDC PLACES) | 15% | 17% | 16% |
| High blood pressure (CDC PLACES) | 40% | 38% | 35% |
| What stands out | Adelphi | OH |
|---|---|---|
| More adults who have had cancer | 10.2% | 8.7% |
| Fewer adults screened for colon cancer | 57.7% | 65.2% |
| Fewer adults seeing a dentist | 57.5% | 62.9% |
CDC PLACES 2025 · modeled estimates for adults · CMS · HRSA
| Adelphi | Ohio towns | U.S. towns | |
|---|---|---|---|
| Households that own their home | 55% | 77% | 73% |
| Median rent | $900 a month | $944 a month | $1,185 a month |
Census ACS, 2020–24 · Zillow Home Value Index · Redfin Data Center
1 within 15 miles of the center of Adelphi
About 1 of every 100 Adelphi residents are enrolled in college, against 6 across Ohio.
Where Adelphi’s working residents go each day. Line width shows the share.
Census LEHD 2023
Village in Ohio, United States
Adelphi is a village in Ross County, Ohio, United States. The population was 322 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.
Adelphi has fewer than 1,000 residents, too few for fair grades; the figures below are still real.