Zip Code 46788 — Spencerville, IN

ZIP Code 46788 is associated with Spencerville, IN, in DeKalb County. The listed population estimate is 4,373; estimated density is 48.9 people per square mile. Among records with population estimates, it ranks #4 of 8 in DeKalb County and #331 of 788 in IN.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (41.270050, -84.908760)

Data MetricLocal Statistic
Postal / Zip Code46788
Primary CitySpencerville
State / ProvinceIN
CountyDeKalb
Total Population4,373
Population Density48.9 people/sq mi
TimezoneAmerica/Indiana/Indianapolis

How 46788 Compares

MetricZIP 46788DeKalb County recordsIN records
Population estimate4,37346,914 (sum)6,851,073 (sum)
Population Density48.9 /sq mi----
County population rank#4 of 8----
State population rank#331 of 788----

Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.

Explore More ZIP Codes

Nearby ZIP Codes in IN

ZIP CodeCityDistancePopulation estimate
ZIP 46785Saint Joe3.6 mi1,491
ZIP 46741Grabill4.6 mi4,713
ZIP 46743Harlan4.8 mi2,347
ZIP 46765Leo7.3 mi5,786
ZIP 46706Auburn8.4 mi20,403

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →