228 years in pictures
Census counts: 190 in 1920, a peak of 370 in 1970, 166 in 2020. The archive holds 9 old photos and papers going back to 1860 and 3 maps from 1974 on.
1 place on the National Register of Historic Places.
- 1798Addison is settled
Each edition grades its towns against each other only.

Addison’s average trip to work is 38 minutes, against 26 minutes in Pennsylvania’s towns and 25 minutes across U.S. towns. Petersburg Tollhouse is on the National Register of Historic Places. Addison has fewer than 1,000 residents, too few for fair grades; the figures below are still real.
Where Addison beats most towns.
In a town this size, neighbors are the best guide. Ask them anything.
Census counts: 190 in 1920, a peak of 370 in 1970, 166 in 2020. The archive holds 9 old photos and papers going back to 1860 and 3 maps from 1974 on.
1 place on the National Register of Historic Places.
Who provides power, water and the rest in Addison, 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 18, 2024.
Ordered by what stands out in Addison.
Most working residents leave Addison for work: only 0% work in town. Addison’s median household income is $60,000, below both the Pennsylvania town median ($81,000) and the median of U.S. towns ($80,000). 12% of residents live below the poverty line in Addison.
| Addison | Pennsylvania towns | U.S. towns | |
|---|---|---|---|
| Median household income | $60,000 | $81,000 | $80,000 |
| Below the poverty line | 12% | 7.6% | 9.6% |
Census LEHD 2023 · ACS
Addison has chilly, snowy winters and pleasant summers. The July high in Addison is 81°F.
NOAA U.S. Climate Normals, 1991–2020
Expected storm and flood damage is higher than in 67% of U.S. communities.
FEMA National Risk Index · OpenFEMA
15% of Addison adults binge drink. Addison beats the Pennsylvania average on 2 of 26 CDC measures and trails it on 13. 31% of Addison adults get no exercise outside work.
| Addison | Pennsylvania towns | U.S. towns | |
|---|---|---|---|
| Frequent physical distress (CDC PLACES) | 17% | 14% | 14% |
| Binge drink (CDC PLACES) | 15% | 18% | 16% |
| Get no exercise (CDC PLACES) | 31% | 24% | 25% |
| Fair or poor health (CDC PLACES) | 24% | 19% | 19% |
| What stands out | Addison | PA |
|---|---|---|
| Fewer binge drinkers | 14.8% | 18.3% |
| More adults treating high blood pressure | 83.5% | 79.2% |
| More adults with COPD | 11.3% | 7.7% |
CDC PLACES 2025 · modeled estimates for adults · CMS · HRSA
Museums, parks, gardens and other places to visit around Addison. Close and well known come first.
Big draw13 mi MuseumFallingwater
Big draw30 mi National MemorialFlight 93 National Memorial286K visitors a year
9 mi MountainMount Davis
13 mi National BattlefieldFort Necessity National Battlefield226K visitors a year
34 mi Stadium & arenaMountaineer Field at Milan Puskar Stadium
17 mi LakeDeep Creek LakeFallingwater: Carol M. Highsmith, Public domain · Flight 93 National Memorial: James Steakley, CC BY-SA 3.0 · Mount Davis: Wikiuser100, CC BY-SA 3.0 · Fort Necessity National Battlefield: Wilson44691, CC0 · Mountaineer Field at Milan Puskar Stadium: Quintin Soloviev, CC BY 4.0 · Deep Creek Lake: Gohens84, CC BY-SA 3.0
1 within 15 miles of the center of Addison
About 0 of every 100 Addison residents are enrolled in college, against 6 across Pennsylvania.
Where Addison’s working residents go each day. Line width shows the share.
Census LEHD 2023
Borough in Pennsylvania, US
Addison is a borough in Somerset County, Pennsylvania, United States. It is part of the Johnstown, Pennsylvania, Metropolitan Statistical Area. The population was 165 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.
Addison has fewer than 1,000 residents, too few for fair grades; the figures below are still real.