County hub small town Louisiana

Lafayette County, LA

Aggregated demographic, housing, and geographic context for the 11 ZIP codes inside Lafayette County, drawn from public Census ACS and SimpleMaps data.

ZIP codes
11
in this county
Total population
242,715
across all listed ZIPs
Cities
7
distinct city/town names
Avg density
398
people / sq mi
Avg median income
household, ACS
Avg home value
owner-occupied

ZIP codes in Lafayette County

ZIPCityPopulationDensityMedian income
70506 Lafayette 40,304 750
70508 Lafayette 39,895 634
70503 Lafayette 29,710 1,013
70501 Lafayette 27,944 705
70592 Youngsville 27,357 249
70520 Carencro 20,352 202
70507 Lafayette 18,398 332
70518 Broussard 15,620 145
70529 Duson 13,437 143
70583 Scott 9,674 132
70558 Milton 24 78

About Lafayette County

Counties are the workhorse unit of American local government — they administer property taxes, run the courts and sheriff’s office, manage many road and library systems, and in much of the country they collect public health and zoning data that ZIP codes don’t. Lafayette County in Louisiana contains roughly 11 ZIP codes spread across 7 distinct cities and unincorporated communities, with an aggregate population of about 242,715. Reading those ZIPs together at the county level smooths over neighborhood-by-neighborhood noise and surfaces the broader economic and demographic shape of the area. For block-level detail, drill into any individual ZIP profile or compare against the wider Louisiana index.

The average density across listed ZIPs sits at roughly 398, which classifies the county overall as a small town environment. That label is a generalization — nearly every county contains both a relatively dense core and quieter outlying ZIPs, and the gap between them is often what determines where you actually want to live or open a business. Average median household income in our enriched ZIPs lands near —, with average owner-occupied home values around —; both numbers move dramatically as you cross from one ZIP to the next, so use the table above as a sorting tool, not a verdict.

If you’re moving into Lafayette County, the county itself is also where most of your real-life paperwork will land — vehicle registration, voter registration, property recording, and school district enrollment in many states. Knowing the county that contains your prospective ZIP makes it much easier to look up the right tax assessor, election office, or school district website. Our relocation guide walks through the order in which to tackle these handoffs after a move.

For service-area planning, the county is also where most US business licensing and many sales-tax rules are administered. Service businesses scoping Lafayette County should pair this aggregate view with the individual ZIP profiles to identify the densest, highest-income pockets first, then expand outward along whatever transportation corridor matches their delivery model.