ZIP code · Mercer · North Dakota · United States

ZIP code 58559 — Mercer

ZIP code 58559 serves Mercer, North Dakota.

Postal code
58559
Single source Value from one source, not cross-checked.
City
Mercer
County
McLean FIPS 38055
State
North Dakota
Country
United States
Coordinates
47.4858, -100.7171 — precision precise (locality)
View on OpenStreetMap
Population
393 (ZCTA, ACS 5-year)
Population density
2 / sq mi
Land area
173.3 sq mi (448.8 km²) (ZCTA, ACS 5-year)
Median household income
$96,964
Per-capita income
$40,124
Median age
45.3
Households
165
Housing units
341
Median home value
$281,500
Congressional district
ND At-large (119th Congress)
USDA hardiness zone
4a (-30 to -25 °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
701
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 83°F), coldest Jan (avg low 1°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F202537546776838272553825
Avg low °F141628405156544432197
Precip in0.60.40.81.32.63.52.62.21.81.30.60.6

NOAA 1991–2020 climate normals from the nearest station: TURTLE LAKE (8.4 mi) · NOAA NCEI

Places in ZIP 58559

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