ZIP code · Elkhorn · Wisconsin · United States
ZIP code 53121 — Elkhorn
ZIP code 53121 serves Elkhorn, Wisconsin.
- Postal code
- 53121Single source Value from one source, not cross-checked.
- City
- Elkhorn
- County
- Walworth FIPS 55127
- State
- Wisconsin
- Country
- United States
- Coordinates
- 42.7009, -88.5462 — precision precise (locality)
View on OpenStreetMap - Population
- 18,640 (ZCTA, ACS 5-year)
- Population density
- 163 / sq mi
- Land area
- 114.4 sq mi (296.2 km²) (ZCTA, ACS 5-year)
- Median household income
- $83,635
- Per-capita income
- $44,566
- Median age
- 43.1
- Households
- 7,620
- Housing units
- 8,397
- Median home value
- $287,900
- Median gross rent
- $1,031 / month
- Congressional district
- WI-1 (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
- 262Telephone 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 53121 with another ZIP · ZIPs within 25 miles · distance from 53121
Map of ZIP code 53121
Climate — monthly normals
Warmest month Jul (avg high 83°F), coldest Jan (avg low 13°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 29 | 33 | 44 | 57 | 69 | 79 | 83 | 81 | 74 | 61 | 46 | 35 |
| Avg low °F | 13 | 16 | 25 | 36 | 47 | 57 | 61 | 59 | 51 | 40 | 29 | 20 |
| Precip in | 1.6 | 1.7 | 2.0 | 3.7 | 4.2 | 5.0 | 3.8 | 3.9 | 3.7 | 2.9 | 2.6 | 1.8 |
NOAA 1991–2020 climate normals from the nearest station: DELAVAN WWTP (7.3 mi) · NOAA NCEI
Places in ZIP 53121
- 14 schools
- 2 colleges & universities
- 3 hospitals & clinics
- 1 doctors & dentists
- 2 pharmacies
- 1 supermarkets
- 28 restaurants & cafés
- 2 bars & pubs
- 13 parks
- 5 playgrounds
- 5 gyms & sports centres
- 1 libraries
- 1 post offices
- 10 places of worship
- 5 banks
- 15 gas stations
- 1 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