ZIP code · Marion · Iowa · United States
ZIP code 52302 — Marion
ZIP code 52302 serves Marion, Iowa.
- Postal code
- 52302Single source Value from one source, not cross-checked.
- City
- Marion
- County
- Linn FIPS 19113
- State
- Iowa
- Country
- United States
- Coordinates
- 42.0411, -91.5941 — precision precise (locality)
View on OpenStreetMap - Population
- 42,732 (ZCTA, ACS 5-year)
- Population density
- 575 / sq mi
- Land area
- 74.3 sq mi (192.5 km²) (ZCTA, ACS 5-year)
- Median household income
- $87,463
- Per-capita income
- $43,299
- Median age
- 40.7
- Households
- 17,199
- Housing units
- 18,153
- Median home value
- $232,900
- Median gross rent
- $963 / 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 (from the nearest rate centre)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.
Tools: compare 52302 with another ZIP · ZIPs within 25 miles · distance from 52302
Map of ZIP code 52302
Climate — monthly normals
Warmest month Jul (avg high 86°F), coldest Jan (avg low 13°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 30 | 35 | 49 | 63 | 74 | 82 | 86 | 83 | 77 | 64 | 48 | 35 |
| Avg low °F | 13 | 17 | 28 | 38 | 50 | 60 | 63 | 61 | 53 | 42 | 29 | 19 |
| Precip in | 1.2 | 1.3 | 2.1 | 4.0 | 4.7 | 5.7 | 4.5 | 4.4 | 4.0 | 3.0 | 2.2 | 1.7 |
NOAA 1991–2020 climate normals from the nearest station: CEDAR RAPIDS #1 (0.7 mi) · NOAA NCEI
Places in ZIP 52302
- 22 schools
- 2 hospitals & clinics
- 7 doctors & dentists
- 4 pharmacies
- 5 supermarkets
- 58 restaurants & cafés
- 2 bars & pubs
- 26 parks
- 60 playgrounds
- 10 gyms & sports centres
- 2 libraries
- 1 post offices
- 34 places of worship
- 17 banks
- 18 gas stations
- 1 EV charging stations
- 3 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