Town guide

Garnavillo, Iowa

Garnavillo is a city in Clayton County, Iowa, home to about 816 people across 0.9 square miles. Its ZIP code is 52049.

Homes sold for a median of $105 per square foot in the three months ending August 2026, a seller’s market.

Population816868 per sq mi
Median home value$123,100Census, as estimated by owners
Price per sq ft$105Sold homes, 3 months to August 2026
Sold over asking17%Latest 3 months

ZIP codes in Garnavillo

1 ZIP code

Each card is that ZIP code’s whole market, including any part outside Garnavillo. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology

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  • History
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  • Getting around
  • Things to do

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Around Garnavillo

Distances

Nearest major airportDes Moines International Airport (DSM)155 miles away
Closer regional airportDubuque Regional Airport (DBQ)42 miles away
Nearest city of 250,000+Madison, WI91 miles away
Nearest city of 1 million+Chicago, IL194 miles away

Straight-line distances from the center of Garnavillo; driving is longer.

Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.

Who represents Garnavillo

Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.

Population over time

Garnavillo had 763 residents in the 2020 census, up 1% since 2000.

It’s the 343rd largest of 1,019 towns in Iowa by population.

Clayton County grew from 27,750 residents in 1900 to 17,043 in 2020.

Garnavillo population by census2000: 754, 2010: 745, 2020: 763754200074520107632020

Clayton County, 1900–2020

Clayton County population, 1900 to 20201900: 27,750, 1910: 25,576, 1920: 25,032, 1930: 24,559, 1940: 24,334, 1950: 22,522, 1960: 21,962, 1970: 20,606, 1980: 21,098, 1990: 19,054, 2000: 18,678, 2010: 18,129, 2020: 17,04328K’00’1025K’20’3024K’40’5022K’60’7021K’80’9019K’00’1017K’20

Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).

Weather by month

Average highs peak around 84°F in summer, and winter lows average 10°F. About 37.4 inches of rain and melted snow fall in a typical year, with about 34 inches of snow.

Average high and low temperature and precipitation by month near GarnavilloJan: high 28°F, low 10°F, 1.3 in; Feb: high 33°F, low 14°F, 1.2 in; Mar: high 45°F, low 27°F, 2 in; Apr: high 59°F, low 39°F, 3.7 in; May: high 71°F, low 50°F, 4.6 in; Jun: high 80°F, low 60°F, 5.7 in; Jul: high 84°F, low 64°F, 4.9 in; Aug: high 82°F, low 62°F, 3.6 in; Sep: high 75°F, low 54°F, 3.8 in; Oct: high 61°F, low 42°F, 2.8 in; Nov: high 46°F, low 29°F, 2.1 in; Dec: high 33°F, low 18°F, 1.7 in28°10°Jan1.333°14°Feb1.245°27°Mar2.059°39°Apr3.771°50°May4.680°60°Jun5.784°64°Jul4.982°62°Aug3.675°54°Sep3.861°42°Oct2.846°29°Nov2.133°18°Dec1.7Rain and melted snow, inches

Source: NOAA 1991–2020 climate normals, Guttenberg L&D 10, IA weather station (9 miles away).

Jobs in Clayton County

4,999 jobs at 487 businesses in Clayton County. The biggest industries by employees:

Largest industries in Clayton CountyHealth care and social assistance: 1,010 jobs; Manufacturing: 890 jobs; Retail trade: 698 jobs; Construction: 482 jobs; Wholesale trade: 427 jobs; Hotels and restaurants: 320 jobs; Other services: 194 jobs; Finance and insurance: 165 jobsHealth care and social assistance 20% Manufacturing 18% Retail trade 14% Construction 10% Wholesale trade 9% Hotels and restaurants 6% Other services 4% Finance and insurance 3%

Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).

Health care

Nearest hospitals

  • Guttenberg Municipal HospitalCritical access hospital · emergency room · Guttenberg8.6 miles
  • Mercyone Elkader Medical CenterCritical access hospital · emergency room · Elkader10.1 miles
  • Crossing Rivers Health Medical CenterCritical access hospital · emergency room · CMS rating 3 of 5 · Prairie Du Chien12.5 miles

Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances.

Places in and around Garnavillo

Libraries

  • Garnavillo Public Library1.2 mi

Museums

  • Garnavillo Historical Museum1.2 mi

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.

Schools in Garnavillo

Public schools here are run by Clayton Ridge Comm School District. Check each district’s attendance zones for a specific address.

Public schools (1)
SchoolGradesStudentsTypeDistance
Clayton Ridge Elementary SchoolGarnavilloPre-K–5293Public1.5 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.

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Where Garnavillo is

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Towns near Garnavillo

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Shares ZIP codes with Clayton.

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.