ZIP Codes of Scott County, IN

Population & People
Population & People
Total Population
28,751
Household Income
Household Income
Median Income
$67,274
Housing
Housing
Total Housing Units
12,442
Business & Economy
Business & Economy
Total Businesses
412
Employment
Employment
Employment Rate
56.28%
Education
Education
Bachelor's Degree+
13.14%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 4 ZIPs in this county.
Data Last Updated: July 1, 2026
ZIP Codes:4 ZIP Codes (4 Standard, 0 PO Box, 0 Unique) [See All]
Area Codes:812 / 930
Timezone:Eastern (GMT -05:00)
Local Time:11:53:26 PM
Population:28,751 [See All]
FIPS:18143
Land Area:290 sq mi
Water Area:3 sq mi
Coordinates:38.6846, -85.7526
Quick Link:
https://www.zip-codes.com/county/in-scott.asp
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Indiana's #56 most populous county
28,751 residents across 4 ZIPs — #56 of 92 Indiana counties.

Standout ZIPs in this County


Most Populous
Scottsburg · 15,451 people
53.7% of county total
Highest Income
Lexington · $86,335 median
1.3× county average
Largest Land Area
Scottsburg · 150.5 sq mi
Spans the most ground
Fastest Growth
Underwood · 45.9% (10-yr)
1,221 → 1,782 residents
Most Educated
Underwood · 23.9% bachelor's+
266 of 1,115 adults 25+

Things worth knowing about Scott County


28,751 residents live across 4 ZIPs covering 290 sq mi, served by 4 distinct USPS-recognized cities.

Population moved from 28,010 to 28,751 from 2014 to 2024 — a +2.6% change. 2 ZIPs gained residents, 2 lost.

The county's wealthiest ZIP 47138 (Lexington, $86,335 median) and poorest ZIP 47102 (Austin, $41,583) are 10.2 miles apart — a 2.1× income gap across local geography.

Median home values vary 1.6× across this county — from $129,900 in 47102 (Austin) to $201,800 in 47138 (Lexington).

Density varies across the county — from 64 people/sq mi in 47138 (Lexington) to 158 in 47102 (Austin).

Educational attainment ranges from 9.3% bachelor's+ in 47102 (Austin) to 23.9% in 47177 (Underwood) — the breadth of educational profiles across the area.

Within Indiana, this is the #56 most populous of 92 counties and ranks #62 for median household income .

Weighted by population, the typical household earns about $60,373 across the county — reflecting what a typical resident sees, not a simple ZIP average.

13.1% of adults age 25+ hold a bachelor's degree or higher (2,609 of 19,849 reporting).

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

All ZIP Codes in Scott County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
47170ScottsburgStandard15,451$57,634150.510.1%
47102AustinStandard6,659$41,58342.1-15.0%
47138LexingtonStandard4,859$86,33575.8-1.1%
47177UnderwoodStandard1,782$83,54221.545.9%

Adjacent & Nearby Counties