ZIP code · Monrovia · Indiana · United States

ZIP code 46157 — Monrovia

ZIP code 46157 serves Monrovia, Indiana.

Postal code
46157
Single source Value from one source, not cross-checked.
City
Monrovia
County
Morgan FIPS 18109
State
Indiana
Country
United States
Coordinates
39.5714, -86.4894 — precision precise (locality)
View on OpenStreetMap
Population
4,370 (ZCTA, ACS 5-year)
Population density
143 / sq mi
Land area
30.6 sq mi (79.2 km²) (ZCTA, ACS 5-year)
Median household income
$74,286
Per-capita income
$33,707
Median age
35.6
Households
1,580
Housing units
1,665
Median home value
$202,100
Median gross rent
$819 / month
Congressional district
IN-4 (119th Congress)
USDA hardiness zone
6a (-10 to -5 °F)
Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
Time zone
America/Indiana/Indianapolis (UTC−5 / UTC−4 DST)
Area code
317
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 84°F), coldest Jan (avg low 19°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F364151637381848378665241
Avg low °F192129405060636153413224
Precip in3.22.43.54.85.05.34.13.43.53.53.63.1

NOAA 1991–2020 climate normals from the nearest station: MARTINSVILLE 2 SW (11.7 mi) · NOAA NCEI

Places in ZIP 46157

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