ZIP code · Armstrong · Iowa · United States

ZIP code 50514 — Armstrong

ZIP code 50514 serves Armstrong, Iowa.

Postal code
50514
Single source Value from one source, not cross-checked.
City
Armstrong
County
Emmet FIPS 19063
State
Iowa
Country
United States
Coordinates
43.4024, -94.4853 — precision precise (locality)
View on OpenStreetMap
Population
1,190 (ZCTA, ACS 5-year)
Population density
11 / sq mi
Land area
113.2 sq mi (293.2 km²) (ZCTA, ACS 5-year)
Median household income
$70,550
Per-capita income
$36,294
Median age
55.1
Households
557
Housing units
636
Median home value
$128,600
Median gross rent
$611 / month
Congressional district
IA-4 (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
712
Telephone 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.

Climate — monthly normals

Warmest month Jul (avg high 81°F), coldest Jan (avg low 5°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F222740556878817873594228
Avg low °F5821334657605848352211
Precip in0.90.91.83.44.64.74.24.13.22.51.51.2

NOAA 1991–2020 climate normals from the nearest station: SWEA CITY 5N (9.6 mi) · NOAA NCEI

Places in ZIP 50514

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