ZIP code · Grovertown · Indiana · United States
ZIP code 46531 — Grovertown
ZIP code 46531 serves Grovertown, Indiana.
- Postal code
- 46531Single source Value from one source, not cross-checked.
- City
- Grovertown
- County
- Starke FIPS 18149
- State
- Indiana
- Country
- United States
- Coordinates
- 41.3496, -86.5243 — precision precise (locality)
View on OpenStreetMap - Population
- 1,818 (ZCTA, ACS 5-year)
- Population density
- 86 / sq mi
- Land area
- 21.2 sq mi (54.9 km²) (ZCTA, ACS 5-year)
- Median household income
- $56,278
- Per-capita income
- $25,352
- Median age
- 46.2
- Households
- 574
- Housing units
- 621
- Median home value
- $150,900
- Congressional district
- IN-2 (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/Indiana/Knox (UTC−6 / UTC−5 DST)
- Area code
- 574 (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 46531 with another ZIP · ZIPs within 25 miles · distance from 46531
Map of ZIP code 46531
Climate — monthly normals
Warmest month Jul (avg high 82°F), coldest Jan (avg low 16°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 32 | 35 | 47 | 61 | 71 | 80 | 82 | 81 | 74 | 63 | 49 | 37 |
| Avg low °F | 16 | 18 | 28 | 38 | 49 | 59 | 62 | 60 | 52 | 42 | 32 | 22 |
| Precip in | 2.7 | 2.4 | 2.5 | 3.8 | 4.5 | 4.7 | 4.3 | 4.5 | 3.5 | 3.6 | 3.2 | 2.6 |
NOAA 1991–2020 climate normals from the nearest station: KNOX WWTP (6.2 mi) · NOAA NCEI
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