Delmar is a city in Clinton County, Iowa, home to about 480 people across 0.8 square miles. Its ZIP code is 52037.
Homes sold for a median of $91 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 Delmar. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Delmar’s story and what everyday life there is like, for people thinking about moving in.
Are you a local agent who knows Delmar well? Agents who advertise here will be able to write the guide. Advertise on OfferBacked
| Nearest major airport | Chicago O'Hare International Airport (ORD)139 miles away |
|---|---|
| Closer regional airport | Dubuque Regional Airport (DBQ)28 miles away |
| Nearest city of 250,000+ | Madison, WI96 miles away |
| Nearest city of 1 million+ | Chicago, IL151 miles away |
Straight-line distances from the center of Delmar; 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.
Delmar had 542 residents in the 2020 census, up 5% since 2000.
It’s the 481st largest of 1,019 towns in Iowa by population.
Clinton County grew from 43,832 residents in 1900 to 46,460 in 2020.
Clinton County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 82°F in summer, and winter lows average 11°F. About 36.7 inches of rain and melted snow fall in a typical year, with about 30 inches of snow.
Source: NOAA 1991–2020 climate normals, Maquoketa, IA weather station (6 miles away).
16,170 jobs at 1,122 businesses in Clinton County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
Nearest hospitals
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances.
Grocery stores
Museums (1 nearby)
Counts are within about 1 mile of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
Public schools here are run by Delwood Comm School District. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Delwood Elementary SchoolDelmar | Pre-K–6 | 142 | Public | 0.5 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools. Listed by address; we don’t rate schools.
Buying or selling around Delmar? Tell us what you need and when. No agents advertise here yet, so we’ll keep your request for up to 30 days and send it to local agents who join. No obligation, and you choose who to work with.
Loading map…
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.