Irena is a village in Worth County, Missouri, home to about 19 people across 0.9 square miles. It has no ZIP code of its own: it’s part of 64456.
Mostly Grant City; part is in Irena
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| Nearest major airport | Des Moines International Airport (DSM)82 miles away |
|---|---|
| Nearest city of 250,000+ | Kansas City, MO95 miles away |
| Nearest city of 1 million+ | Chicago, IL361 miles away |
Straight-line distances from the center of Irena; 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.
Irena had 14 residents in the 2020 census, down 58% since 2000.
It’s the 1036th largest of 1,060 towns in Missouri by population.
Worth County grew from 9,832 residents in 1900 to 1,973 in 2020.
Worth 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 14°F. About 38.4 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Grant City 5wsw, MO weather station (6 miles away).
171 jobs at 50 businesses in Worth County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
3 doctors and other health care providers list an office in Irena.
Nearest hospitals
Providers with an office here
| Primary care doctors | 1 |
|---|---|
| Dentists | 1 |
| Nurse practitioners and physician assistants | 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.
Libraries (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 Worth Co. R-III. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Worth Co. ElementaryGrant City | Pre-K–6 | 170 | Public | 0.7 mi |
| Worth Co. HighGrant City | 7–12 | 125 | Public | 0.8 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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Shares ZIP codes with Grant City and Allendale.
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.