Dayton is a town in Rockingham County, Virginia, home to about 1,920 people across 1.0 square miles. Its ZIP code is 22821.
Homes sold for a median of $225 per square foot in the three months ending August 2026, a seller’s market.
Each card is that ZIP code’s whole market, including any part outside Dayton. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Dayton’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Washington Dulles International Airport (IAD)94 miles away |
|---|---|
| Closer regional airport | Shenandoah Valley Regional Airport (SHD)18 miles away |
| Nearest city of 250,000+ | Washington, DC115 miles away |
| Nearest city of 1 million+ | Philadelphia, PA237 miles away |
Straight-line distances from the center of Dayton; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Dayton had 1,688 residents in the 2020 census, up 26% since 2000.
It’s the 288th largest of 669 towns in Virginia by population.
Rockingham County grew from 33,527 residents in 1900 to 83,757 in 2020.
Rockingham County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 86°F in summer, and winter lows average 23°F. About 38.9 inches of rain and melted snow fall in a typical year, with about 19 inches of snow.
Source: NOAA 1991–2020 climate normals, Dale Enterprise, VA weather station (8 miles away).
29,517 jobs at 1,648 businesses in Rockingham County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
16 doctors and other health care providers list an office in Dayton.
Nearest hospitals
Providers with an office here
| Primary care doctors | 5 |
|---|---|
| Dentists | 3 |
| Nurse practitioners and physician assistants | 5 |
| Mental health providers | 3 |
| Pharmacies | 1 |
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Public schools here are run by Rockingham County Public Schools. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Ottobine ElementaryDayton | Pre-K–5 | 248 | Public | 3.2 mi |
| Wilbur S. Pence MiddleDayton | 6–8 | 671 | Public | 8.5 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Edgewood SchoolDayton | 1–8 | 37 | Mennonite | 5.6 mi |
| Hickory Hollow Christian SchoolDayton | 1–12 | 133 | Mennonite | 7.7 mi |
| Mountain View Mennonite SchoolDayton | 1–8 | 138 | Mennonite | 6.7 mi |
| Riverside SchoolDayton | 1–8 | 35 | Mennonite | 5.5 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools; Private School Universe Survey (2023-2024) for private schools. Listed by address; we don’t rate schools.
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Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.