ZIP code · Garrison · Iowa · United States

ZIP code 52229 — Garrison

ZIP code 52229 serves Garrison, Iowa.

Postal code
52229
Single source Value from one source, not cross-checked.
City
Garrison
County
Benton FIPS 19011
State
Iowa
Country
United States
Coordinates
42.1588, -92.1644 — precision precise (locality)
View on OpenStreetMap
Population
841 (ZCTA, ACS 5-year)
Population density
16 / sq mi
Land area
52.6 sq mi (136.3 km²) (ZCTA, ACS 5-year)
Median household income
$87,679
Per-capita income
$36,501
Median age
39.2
Households
320
Housing units
334
Median home value
$169,900
Median gross rent
$857 / 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
319
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 8°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F263044596978817974604431
Avg low °F81224354757605850372515
Precip in1.21.32.03.95.05.64.24.23.73.22.01.6

NOAA 1991–2020 climate normals from the nearest station: VINTON (8.1 mi) · NOAA NCEI

Places in ZIP 52229

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