ZIP 72821 falls in Franklin County, Arkansas, where we hold 5,041 parcels measured as septic county-wide and 2,666 on sewer. We do not have a per-ZIP parcel count for this county, so this is the county total, not a count specific to ZIP 72821.
ZCTA 72821 is not entirely inside one county. Land-area share is from the 2020 Census ZCTA-to-county relationship file.
| County | Land in this ZIP | Documents held | On septic (county) | On sewer (county) |
|---|---|---|---|---|
| Franklin County, Arkansas | 65% | — | 5,041 | 2,666 |
| Johnson County, Arkansas | 35% | — | 5,513 | 3,514 |
Land-area overlap is from the 2020 Census Bureau ZCTA5-to-county relationship file, not an estimate of ours. Parcel and document counts are rows we hold, not a survey of every property in the ZIP. Last verified 2026-09-01.
We hold 5,041 parcels measured as septic for Franklin County, Arkansas as a whole, not broken out by ZIP.
ZIP 72821 spans 2 counties: Franklin County, Arkansas, Johnson County, Arkansas.