176 years in pictures
Census counts: 579 in 1880, a peak of 1,049 in 1920, 549 in 2020. The archive holds 3 old photos and papers going back to 1923 and 4 maps from 1968 on.
1 place on the National Register of Historic Places.
- 1850Dayton is settled
Each edition grades its towns against each other only.

Dayton’s typical journey to work is 38 minutes, above both the Pennsylvania town median (26 minutes) and the median of U.S. towns (25 minutes). Among 1,036 Pennsylvania towns, just 2 have a lower share of adults with a bachelor’s degree than Dayton. Thomas Marshall House is on the National Register of Historic Places. Dayton has fewer than 1,000 residents, too few for fair grades; the figures below are still real.
Where Dayton beats most towns.
In a town this size, neighbors are the best guide. Ask them anything.
Census counts: 579 in 1880, a peak of 1,049 in 1920, 549 in 2020. The archive holds 3 old photos and papers going back to 1923 and 4 maps from 1968 on.
1 place on the National Register of Historic Places.
Who provides power, water and the rest in Dayton, 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 Dayton.
The typical Dayton home is worth about $168,000, down 1.6% in a year, 41% below the Pennsylvania typical home. 88% of Dayton households live in a home they own, where Pennsylvania’s towns sit at 78% and U.S. towns at 73%.
| Dayton | Pennsylvania towns | U.S. towns | |
|---|---|---|---|
| Median rent | $615 a month | $1,115 a month | $1,185 a month |
| Households that own their home | 88% | 78% | 73% |
Census ACS, 2020–24 · Zillow Home Value Index · Redfin Data Center
Public schools: Armstrong SD. Its one school is below. Dayton’s only public school teaches 194 students.
| School | Level | Students | Letter |
|---|---|---|---|
| Dayton El SchLargest public elementary schoolGrades K–6 | Grades K–6 | 194 | A− |
NCES · EDFacts
Commuting out is the norm in Dayton: 3% of working residents work locally. The town’s typical household income comes in at $58,000. Half commute less than 24 miles. The top destinations are Monroe Township (4%), South Bethlehem (4%) and Pittsburgh (4%).
| Dayton | Pennsylvania towns | U.S. towns | |
|---|---|---|---|
| Median household income | $58,000 | $81,000 | $80,000 |
| Working residents who work in town | 3% | 6.3% | 8% |
Census LEHD 2023 · ACS
In July, afternoons reach 82°; in January, nights fall to 18°, and about 35 inches of snow falls in a winter.
NOAA U.S. Climate Normals, 1991–2020
In Dayton, the FEMA risk score is 66 of 100. Federal disaster aid has reached households in Dayton once, in 2004. FEMA puts 90% of the town’s expected hazard losses down to inland flooding.
FEMA disaster declarations and aid · FEMA National Risk Index · OpenFEMA
Dayton: a quarter of adults have been diagnosed with depression. In Dayton, 30% of adults get no exercise outside work, and 16% report frequent physical distress.
| Dayton | Pennsylvania towns | U.S. towns | |
|---|---|---|---|
| Smoke cigarettes (CDC PLACES) | 21% | 17% | 14% |
| Get no exercise (CDC PLACES) | 30% | 24% | 25% |
| Frequent physical distress (CDC PLACES) | 16% | 14% | 14% |
| Fair or poor health (CDC PLACES) | 22% | 19% | 19% |
| What stands out | Dayton | PA |
|---|---|---|
| More uninsured adults | 8.5% | 5.8% |
| More smokers | 21% | 15.8% |
| More adults with COPD | 10.1% | 7.7% |
CDC PLACES 2025 · modeled estimates for adults · CMS · HRSA
None within 15 miles of Dayton; the nearest are
About 0 of every 100 Dayton residents are enrolled in college, against 6 across Pennsylvania.
Where Dayton’s working residents go each day. Line width shows the share.
Census LEHD 2023
Borough in Pennsylvania, US
Dayton is a borough in Armstrong County, Pennsylvania, United States. The population was 549 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.
Dayton has fewer than 1,000 residents, too few for fair grades; the figures below are still real.
2 notable people were born here, including Ray Mathews and William W. Allen.