Declo is a city in Cassia County, Idaho, United States. It is part of the Burley, Idaho micropolitan area. The population was 338 at the time of the 2020 Census, down from 343 in 2010.

From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)

Town numbers

ZIP code83323

Area code208

Living in Declo

Housing in Declo

$463K▲ 7.2% in a year Typical home value · Zillow

The typical Declo home is worth about $463,000, up 7.2% in a year, close to the Idaho typical home.

Only 1 sale in May 2026, too few for a market read. The typical value is the steadier guide.

Zillow Home Value Index · Redfin Data CenterHousing market →

Work & commute in Declo

Full picture →

Most working residents leave Declo for work: only 2% work in town. The top destinations are Burley (27%), Rupert (7%) and Twin Falls (7%). Half commute less than 9 miles.

Burley

27%

Rupert

Twin Falls

Boise City

2%Work in townlive and work in Declo 9 miWhere do people commute?the commute map 131Jobs based herea commuter town

Census LEHD 2023 · ACSWork & commute in Declo →

Health in Declo

Compared with Idaho

2better than ID

of 32 measures CDC estimates. The other 30 are too close to call.

Conditions 2▲ 10 close Habits all close Care all close Mind all close Everyday needs all close

BetterToo close to callWorse

What stands out

8.2%Fewer older adults who have lost all their teethID 16.2% · better 23.7%Fewer adults with arthritisID 26.6% · better

Care nearby

Minidoka Memorial HospitalRupert · 7.5 mi · ER · rural critical access

Family Health Services - Rupert Medical, Dental & Behavioral Health ClinicRupert · 7.1 mi · sliding-scale fees

Primary careShortage · county-wide

DentalShortage · county-wide

Mental healthShortage · county-wide

CDC PLACES 2025 · modeled estimates for adults · CDC's estimate for Declo · CMS · HRSAHealth in Declo →

Natural hazards in Declo

Low

Expected storm and flood damage is higher than in 35% of U.S. communities.

🌊 Inland flooding🏚️ Earthquakes🥶 Cold waves

0Does Declo flood?no paid flood claims on record NoneDisasters that paid out hereof 3 declared for Cassia County

FEMA National Risk Index December 2025 · OpenFEMANatural hazards in Declo →

Climate in Declo

Full climate →

Declo has chilly winters and warm summers, with very little rain. A typical July afternoon reaches 89°, a January night drops to 19°, and about 21 inches of snow falls in a normal winter.

39° / 20°Winter

61° / 34°Spring

85° / 51°Summer

63° / 34°Fall

How much snow does Declo get?About 21 inches a winter.Rain & snow →When is the first frost?Around Oct 4, with the last in spring around May 7.Frost dates →Is it warmer than it used to be?+1.8° vs. the 20th century.Then & now →

NOAA U.S. Climate Normals, 1991–2020Climate in Declo →

Schools in Declo

All Declo schools →

B⁻

School Grade B-

The public schools Declo’s kids attend, from kindergarten through graduation, trail 55% of Idaho’s districts on state tests and graduation. Among towns with similar incomes, they sit near the middle.

DistrictCASSIA COUNTY JOINT DISTRICTSchools3

Declo Elementary School B+Elementary · Grades PK–5 · 453 students Declo Jr. High School B+Middle · Grades 6–8 · 249 students Declo Senior High School CHigh · Grades 9–12 · 326 students

School data from the U.S. Department of Education (NCES, EDFacts). The School Grade is our own summary of state test results and graduation rates, graded within ID. Ratings are from neighbors.