ZIP Codes of Cass County, IN

Population & People
Population & People
Total Population
37,902
Household Income
Household Income
Median Income
$65,099
Housing
Housing
Total Housing Units
16,461
Business & Economy
Business & Economy
Total Businesses
653
Employment
Employment
Employment Rate
57.58%
Education
Education
Bachelor's Degree+
16.18%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 10 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:10 ZIP Codes (8 Standard, 2 PO Box, 0 Unique) [See All]
Area Codes:574 / 765
Timezone:Eastern (GMT -05:00)
Local Time:2:12:05 PM
Population:37,902 [See All]
FIPS:18017
CBSA:Logansport, IN
Land Area:428 sq mi
Water Area:3 sq mi
Coordinates:40.7457, -86.3394
Quick Link:
https://www.zip-codes.com/county/in-cass.asp
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Extreme geographic sprawl
The largest ZIP spans 1385× the smallest by area — 193.3 sq mi down to 0.14.

Standout ZIPs in this County


Most Populous
Logansport · 28,687 people
75.7% of county total
Highest Income
Royal Center · $78,750 median
1.2× county average
Largest Land Area
Logansport · 193.3 sq mi
Spans the most ground
Fastest Growth
Logansport · 0.2% (10-yr)
28,626 → 28,687 residents
Most Educated
Walton · 20.8% bachelor's+
319 of 1,533 adults 25+

Things worth knowing about Cass County


37,902 residents live across 10 ZIPs covering 428 sq mi, served by 10 distinct USPS-recognized cities.

Population moved from 39,048 to 37,902 from 2014 to 2024 — a -2.9% change. 4 ZIPs gained residents, 5 lost.

The county's wealthiest ZIP 46978 (Royal Center, $78,750 median) and poorest ZIP 46988 (Twelve Mile, $44,792) are 14.4 miles apart — a 1.8× income gap across local geography.

Median home values vary 1.5× across this county — from $110,100 in 46950 (Lucerne) to $166,000 in 46932 (Galveston).

Density varies 131× across the county — from 16 people/sq mi in 46950 (Lucerne) to 2,031 in 46967 (Onward).

Educational attainment ranges from 8.4% bachelor's+ in 46950 (Lucerne) to 20.8% in 46994 (Walton) — the breadth of educational profiles across the area.

Within Indiana, this is the #42 most populous of 92 counties and ranks #71 for median household income .

Weighted by population, the typical household earns about $56,530 across the county — reflecting what a typical resident sees, not a simple ZIP average.

16.2% of adults age 25+ hold a bachelor's degree or higher (4,239 of 26,200 reporting).

8 Standard delivery, 2 PO Box only, 0 single-entity Unique ZIPs serve this county.

Stories about Cass County


Single-ZIP anchor

One ZIP holds the majority of this county's population — a sign of a county built around a single city or town.

Logansport

All ZIP Codes in Cass County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
46947LogansportStandard28,687$54,791193.30.2%
46932GalvestonStandard3,066$61,57954.4-15.4%
46994WaltonStandard2,132$56,56356.1-19.3%
46978Royal CenterStandard2,034$78,75067.8-8.4%
46988Twelve MileStandard1,086$44,79226.327.5%
46950LucerneStandard459$48,81629.6-29.5%
46967OnwardPO Box1990.121.3%
46998Young AmericaStandard1380.1-27.0%
46961New WaverlyStandard101$110,4000.629.5%
46942Lake CicottPO Box0.0

Adjacent & Nearby Counties