In Twin Falls County, Idaho, which covers Twin Falls, we have measured 7,856 parcels on septic and 19,650 on sewer. That is a county measurement. We do not hold a septic count for Twin Falls on its own and this page does not estimate one.
Twin Falls is a city in Twin Falls County, Idaho. The Census Bureau puts its internal point at 42.563807, -114.460597 and its land area at 19.86 square miles. Septic permitting and record keeping happen at the county level, not the city level, which is why every figure below is attributed to the county and linked back to the county page it came from.
| County | Records we hold | Parcels on septic | Parcels on sewer | County records portal | Searchable without an account |
|---|---|---|---|---|---|
| Twin Falls County | 1,585 | 7,856 | 19,650 | county portal | no account needed |
Our collection for Twin Falls County, Idaho is small, at 1,585 septic records. Treat it as a starting point for a Twin Falls property rather than a search that settles the question. The county is genuinely mixed: 7,856 of 27,506 classified parcels are on septic and the rest are sewered. Which side of that line a Twin Falls address falls on is worth establishing before anything else. The county publishes a records portal that we were able to search without creating an account, which makes checking a specific parcel something you can do yourself in a few minutes.
Septic is one subject with very different jobs inside it. These go straight to the page that does yours.
| If you are a | Go to | Because it covers |
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No. We measure septic and sewer at parcel level and roll it up by county. In Twin Falls County, Idaho, which covers Twin Falls, we have measured 7,856 parcels on septic and 19,650 on sewer. That is a county measurement. We do not hold a septic count for Twin Falls on its own and this page does not estimate one.
Twin Falls is in Twin Falls County, Idaho.
From the Census ZCTA-to-place relationship file, with the share of Twin Falls’s land area that falls in each. A ZIP is not a place boundary and the two only ever partly agree, which is exactly why both pages exist.
Straight-line distance from the Census internal point of Twin Falls.
Parcel Perfect generates a code-shaped septic design and as-built style drawing for a parcel from the records and site data we hold, and shows every parcel we have classified as septic or sewer on one map. Both are open to use for any parcel in Twin Falls County, Idaho.