Lafayette Township is one of twenty townships in Allen County, Indiana, United States. As of the 2010 census, its population was 3,354.GeographyAccording to the United States Census Bureau, Lafayette Township covers an area of 89.64sqkm; of this, 89.48sqkm is land and 0.16sqkm, or 0.18 percent, is water.Cities, towns, villages Zanesville (north half)Unincorporated towns Aboite at Nine Mile at (This list is based on USGS data and may include former settlements.)Adjacent townships Aboite Township (north) Wayne Township (northeast) Pleasant Township (east) Jefferson Township, Wells County (southeast) Union Township, Wells County (south) Union Township, Huntington County (southwest) Jackson Township, Huntington County (west)