ZIP code · Clarks · Nebraska · United States

ZIP code 68628 — Clarks

ZIP code 68628 serves Clarks, Nebraska.

Postal code
68628
Single source Value from one source, not cross-checked.
City
Clarks
County
Merrick FIPS 31121
State
Nebraska
Country
United States
Coordinates
41.2328, -97.8461 — precision precise (locality)
View on OpenStreetMap
Population
844 (ZCTA, ACS 5-year)
Population density
8 / sq mi
Land area
107.8 sq mi (279.1 km²) (ZCTA, ACS 5-year)
Median household income
$55,125
Per-capita income
$30,307
Median age
42.9
Households
350
Housing units
523
Median home value
$155,200
Median gross rent
$871 / month
Congressional district
NE-3 (119th Congress)
USDA hardiness zone
5b (-15 to -10 °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
308
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 86°F), coldest Jan (avg low 14°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F354052637382868378655038
Avg low °F141727374959636253402717
Precip in0.80.81.52.84.74.03.43.52.42.31.31.0

NOAA 1991–2020 climate normals from the nearest station: CENTRAL CITY (12.2 mi) · NOAA NCEI

Places in ZIP 68628

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