ZIP Codes of Benton County, IN

Population & People
Population & People
Total Population
10,376
Household Income
Household Income
Median Income
$74,151
Housing
Housing
Total Housing Units
4,381
Business & Economy
Business & Economy
Total Businesses
166
Employment
Employment
Employment Rate
59.34%
Education
Education
Bachelor's Degree+
20.82%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 7 ZIPs in this county.
Data Last Updated: July 1, 2026
ZIP Codes:7 ZIP Codes (6 Standard, 1 PO Box, 0 Unique) [See All]
Area Code:765
Timezone:Eastern (GMT -05:00)
Local Time:11:53:22 PM
Population:10,376 [See All]
FIPS:18007
CBSA:Lafayette-West Lafayette, IN
Land Area:444 sq mi
Water Area:1 sq mi
Coordinates:40.5364, -87.3207
Quick Link:
https://www.zip-codes.com/county/in-benton.asp
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Indiana's #87 most populous county
10,376 residents across 7 ZIPs — #87 of 92 Indiana counties.

Standout ZIPs in this County


Most Populous
Fowler · 3,376 people
32.5% of county total
Highest Income
Boswell · $100,455 median
1.4× county average
Largest Land Area
Fowler · 194.0 sq mi
Spans the most ground
Fastest Growth
Otterbein · 40.2% (10-yr)
2,148 → 3,011 residents
Most Educated
Otterbein · 26.8% bachelor's+
492 of 1,836 adults 25+

Things worth knowing about Benton County


10,376 residents live across 7 ZIPs covering 444 sq mi, served by 7 distinct USPS-recognized cities.

Population moved from 10,001 to 10,376 from 2014 to 2024 — a +3.7% change. 3 ZIPs gained residents, 3 lost.

The county's wealthiest ZIP 47921 (Boswell, $100,455 median) and poorest ZIP 47944 (Fowler, $55,242) are 9.0 miles apart — a 1.8× income gap across local geography.

Median home values vary 1.5× across this county — from $124,400 in 47942 (Earl Park) to $185,300 in 47970 (Otterbein).

Density varies across the county — from 6 people/sq mi in 47917 (Ambia) to 50 in 47970 (Otterbein).

Educational attainment ranges from 16.1% bachelor's+ in 47921 (Boswell) to 26.8% in 47970 (Otterbein) — the breadth of educational profiles across the area.

Within Indiana, this is the #87 most populous of 92 counties and ranks #38 for median household income .

Weighted by population, the typical household earns about $70,485 across the county — reflecting what a typical resident sees, not a simple ZIP average.

20.8% of adults age 25+ hold a bachelor's degree or higher (1,439 of 6,911 reporting).

6 Standard delivery, 1 PO Box only, 0 single-entity Unique ZIPs serve this county.

All ZIP Codes in Benton County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
47944FowlerStandard3,376$55,242194.0-4.6%
47970OtterbeinStandard3,011$74,45760.540.2%
47971OxfordStandard1,645$64,37555.7-17.6%
47921BoswellStandard1,338$100,45536.225.5%
47942Earl ParkStandard767$84,12555.94.5%
47917AmbiaStandard239$66,25041.5-53.9%
47986TempletonPO Box00.1

Adjacent & Nearby Counties