ZIP 72521 falls in Sharp County, Arkansas, where we hold 6,834 parcels measured as septic county-wide and 2,385 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 72521.
ZCTA 72521 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) |
|---|---|---|---|---|
| Sharp County, Arkansas | 68% | — | 6,834 | 2,385 |
| Independence County, Arkansas | 32% | — | 10,240 | 4,855 |
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 6,834 parcels measured as septic for Sharp County, Arkansas as a whole, not broken out by ZIP.
ZIP 72521 spans 2 counties: Sharp County, Arkansas, Independence County, Arkansas.