ZIP code · Ossian · Iowa · United States
ZIP code 52161 — Ossian
ZIP code 52161 serves Ossian, Iowa.
- Postal code
- 52161Single source Value from one source, not cross-checked.
- City
- Ossian
- County
- Winneshiek FIPS 19191
- State
- Iowa
- Country
- United States
- Coordinates
- 43.1379, -91.7734 — precision precise (locality)
View on OpenStreetMap - Population
- 1,558 (ZCTA, ACS 5-year)
- Population density
- 29 / sq mi
- Land area
- 53.1 sq mi (137.6 km²) (ZCTA, ACS 5-year)
- Median household income
- $77,250
- Per-capita income
- $40,110
- Median age
- 39.2
- Households
- 629
- Housing units
- 689
- Median home value
- $173,500
- Median gross rent
- $715 / month
- Congressional district
- IA-2 (119th Congress)
- USDA hardiness zone
- 5a (-20 to -15 °F)Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
- Time zone
- America/Chicago (UTC−6 / UTC−5 DST)
- Area code
- 563Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.
Tools: compare 52161 with another ZIP · ZIPs within 25 miles · distance from 52161
Map of ZIP code 52161
Climate — monthly normals
Warmest month Jul (avg high 83°F), coldest Jan (avg low 7°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 26 | 30 | 43 | 58 | 69 | 79 | 83 | 81 | 74 | 61 | 45 | 31 |
| Avg low °F | 7 | 11 | 22 | 34 | 47 | 58 | 61 | 58 | 49 | 37 | 26 | 14 |
| Precip in | 1.1 | 1.2 | 2.1 | 4.1 | 5.0 | 5.9 | 4.5 | 4.4 | 4.0 | 3.0 | 2.1 | 1.6 |
NOAA 1991–2020 climate normals from the nearest station: POSTVILLE (11.4 mi) · NOAA NCEI
Places in ZIP 52161
- 2 schools
- 4 parks
- 8 playgrounds
- 1 libraries
- 1 post offices
- 5 places of worship
- 1 police & fire stations
Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page