Nashua is a city in Chickasaw County, Iowa, home to about 1,622 people across 2.9 square miles. Its ZIP code is 50658.
Homes sold for a median of $68 per square foot in the three months ending August 2026, a balanced market.
Each card is that ZIP code’s whole market, including any part outside Nashua. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Nashua’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Des Moines International Airport (DSM)114 miles away |
|---|---|
| Closer regional airport | Waterloo Regional Airport (ALO)28 miles away |
| Nearest city of 250,000+ | St. Paul, MN141 miles away |
| Nearest city of 1 million+ | Chicago, IL259 miles away |
Straight-line distances from the center of Nashua; 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.
Nashua had 1,551 residents in the 2020 census, down 4% since 2000.
It’s the 203rd largest of 1,019 towns in Iowa by population.
Chickasaw County grew from 17,037 residents in 1900 to 12,012 in 2020.
Chickasaw 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 9°F. About 37.6 inches of rain and melted snow fall in a typical year, with about 38 inches of snow.
Source: NOAA 1991–2020 climate normals, Charles City, IA weather station (10 miles away).
4,157 jobs at 353 businesses in Chickasaw County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
6 doctors and other health care providers list an office in Nashua.
Nearest hospitals
Providers with an office here
| Primary care doctors | 1 |
|---|---|
| Nurse practitioners and physician assistants | 2 |
| Physical and occupational therapists | 2 |
| Chiropractors | 1 |
| 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.
Parks (2 nearby)
Libraries (1 nearby)
Museums (1 nearby)
Counts are within about 1.5 miles 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 Nashua-Plainfield Comm School District. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Nashua-Plainfield Elementary SchoolNashua | Pre-K–5 | 281 | Public | 0.8 mi |
| Nashua-Plainfield Junior-Senior High SchoolNashua | 6–12 | 311 | Public | 0.6 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.
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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.