ZIP code · Knox · North Dakota · United States
ZIP code 58343 — Knox
ZIP code 58343 serves Knox, North Dakota.
- Postal code
- 58343Single source Value from one source, not cross-checked.
- City
- Knox
- County
- Benson FIPS 38005
- State
- North Dakota
- Country
- United States
- Coordinates
- 48.3388, -99.6713 — precision precise (locality)
View on OpenStreetMap - Population
- 78 (ZCTA, ACS 5-year)
- Population density
- 1 / sq mi
- Land area
- 57.7 sq mi (149.5 km²) (ZCTA, ACS 5-year)
- Median household income
- $98,750
- Per-capita income
- $36,517
- Median age
- 55.9
- Households
- 29
- Housing units
- 30
- Median home value
- $216,200
- 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
- 701Telephone 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 58343 with another ZIP · ZIPs within 25 miles · distance from 58343
Map of ZIP code 58343
Climate — monthly normals
Warmest month Jul (avg high 80°F), coldest Jan (avg low -3°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 16 | 21 | 33 | 51 | 66 | 75 | 80 | 80 | 70 | 53 | 35 | 22 |
| Avg low °F | -3 | 0 | 12 | 27 | 40 | 52 | 55 | 52 | 43 | 30 | 16 | 3 |
| Precip in | 0.5 | 0.7 | 0.9 | 1.7 | 2.9 | 3.2 | 3.4 | 2.7 | 2.0 | 1.5 | 1.1 | 0.6 |
NOAA 1991–2020 climate normals from the nearest station: LEEDS (11.6 mi) · NOAA NCEI
Places in ZIP 58343
- 5 parks
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