Gooding County area

Gooding County, Idaho covers 734.1 square miles: 729.3 square miles of land and 4.814 square miles of water. Its county seat is Gooding. An estimated 16,446 people lived there in 2025.

Official Census measurements · GEOID 160472026 Gazetteer · retrieved September 27, 2026
Land area729.3 mi²
Water area4.814 mi²
Population (2025)16,446
People per mi²23

County outline

Generalized outline of Gooding County, Idaho
2025 Census cartographic boundary, fitted to this frame. County maps are not at a common scale. The 2026 area measurements below come from the separate Gazetteer release. Map source and limitations.

Where Gooding County is located

Gooding County highlighted on a map of all U.S. county equivalents. About the maps

Area breakdown

Land accounts for 99.3% of Gooding County’s measured area and water for 0.7%. Its combined area converts to 1,901.4 square kilometers or approximately 469,848 acres.

Green: land · blue: water

MeasurementSquare milesSquare kilometersAcres
Land729.3231,888.938466,766.7
Water4.81412.4683,081
Total734.1371,901.406469,847.7

How Gooding County compares

By original Census land area, Gooding County ranks #36 of 44 in Idaho and #1217 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.

Its land area is 0.554 times the Idaho county-equivalent median of 1,315.7 square miles. It accounts for 0.9% of the combined county land area in the state.

See the complete Idaho ranking · What counts as a county equivalent?

Population and density of Gooding County

The Census Bureau estimates that 16,446 people lived in Gooding County on July 1, 2025. That ranks #2,075 of 3,222 county equivalents nationally and #21 of 44 in Idaho. Since the April 1, 2020 estimates base of 15,600, the population has grown by 846 (+5.4%), compared with +10.4% for Idaho as a whole.

With 729.3 square miles of land, that is 23 people per square mile (8.7 per km²), placing Gooding County #2,221 nationally for density and #19 in Idaho. The median county equivalent has 47 people per square mile; the Idaho median is 10. Put another way, there are about 28 acres of land per resident.

Estimated population, 2020–2025 · line scaled to this county’s own range
July 1202020212022202320242025
Estimate15,64715,80015,90016,17516,39916,446
Change—+153+100+275+224+47

U.S. Census Bureau, Vintage 2025 population estimates. Estimates are revised each year and are not decennial census counts. Density divides the whole population by the whole county’s land area, so it describes an average, not how settlement is distributed within the county. Population sources and methods.

Cities and towns in Gooding County

4 incorporated places lie at least partly in Gooding County. Together they are home to 8,201 people (49.9%); the other 8,245 (50.1%) live outside any incorporated place, in unincorporated communities and rural areas.

The largest is Gooding city, with 3,855 residents in the county. Among places with at least 1,000 residents in 2020, Wendell city grew fastest since then (+6.1%).

Incorporated placePopulation 2025Since 2020Land mi²
Gooding cityCounty seat3,855+4.1%1.519
Wendell city3,090+6.1%1.407
Hagerman city994+3.1%0.588
Bliss city262+4%0.738

Population: U.S. Census Bureau Vintage 2025 subcounty estimates, counting only the part of each place inside Gooding County. Land: 2026 Census Gazetteer, for the whole place even where it extends into other counties. How communities are listed.

Metropolitan area

Gooding County is not part of any metropolitan or micropolitan statistical area in the Office of Management and Budget’s July 2023 delineation; 1,306 other county equivalents are also outside one. These areas are built around an urban core of at least 10,000 people plus the counties tied to it by commuting, so counties outside them are generally rural.

ZIP codes

6 ZIP Code Tabulation Areas have land in Gooding County; 3 of them have most of their land inside the county, and the others mainly cover neighboring areas.

833148331683330833328333883355

ZIP Code Tabulation Areas are the Census Bureau’s approximations of USPS ZIP Code service areas, from the 2020 Census relationship files. Lighter codes have less than half of their land in this county. Post-office-box and single-address ZIP Codes have no tabulation area.

Counties bordering Gooding County

Gooding County shares a land border with 5 county equivalents. It has more land than 1 of them. The largest neighbor is Elmore County (3,075.1 mi²) and the smallest is Jerome County (597.5 mi²). Together with its neighbors, Gooding County forms a block of 8,599.3 mi² of land, of which it holds 8.5%.

Map of Gooding County and the 5 county equivalents that border it Twin Falls County, Idaho: 1,921.7 mi² landCamas County, Idaho: 1,074.2 mi² landLincoln County, Idaho: 1,201.4 mi² landElmore County, Idaho: 3,075.1 mi² landJerome County, Idaho: 597.5 mi² land
Gooding County (dark) and its bordering county equivalents. Select a neighbor to open its profile. Drawn from the 2025 Census cartographic boundaries in an equal-area projection. How borders are determined.
Bordering county equivalentLand mi²Size vs. GoodingCompare
Elmore County3,075.14.2× largerCompare
Twin Falls County1,921.72.6× largerCompare
Lincoln County1,201.41.6× largerCompare
Camas County1,074.21.5× largerCompare
Jerome County597.51.2× smallerCompare

How big is Gooding County compared with U.S. states?

Gooding County has less land than any of the 50 states. Rhode Island, the smallest state by land area, has 1,033.9 mi², about 1.4 times as much. Idaho’s county land could hold about 113 areas the size of Gooding County.

Land area: Gooding County and the closest-sized states
Gooding County729.3 mi²
Rhode Island1,033.9 mi²

Another way to picture it: the same land area would fill a square about 27 miles (43.5 km) on each side. Real county shapes are rarely square, so this is a scale reference rather than a width or driving distance.

State figures are the sums of each state’s county-equivalent land measurements in the same Census release, so states and counties are compared on the same basis. Published state totals can differ slightly because of rounding. Compare all states · Counties bigger than entire states.

What stands out about Gooding County?

Gooding County has more land than 2,005 of the other 3,221 county equivalents in the dataset.

Land area compared with the typical county equivalent
Gooding County729.3 mi²
Idaho median1,315.7 mi²
National median604.5 mi²

A median is the middle county-equivalent measurement, not the average of the largest and smallest. All three bars use the same linear scale. Very small areas may appear as a thin sliver; the labels retain their values.

Does including water change its rank?

Using land plus water places Gooding County at #1,314 nationally by total area, 97 places farther from the top than its land rank. Other county equivalents gain more area when their water measurements are included.

Its water share is 0.7%, compared with a national county-equivalent median of 1.2% — 0.5 percentage points lower. This describes the statistical geography’s land/water mix, not flood exposure or developable land.

Closest positions in the national land ranking

These entries sit immediately beside Gooding County in the national ranking. They can be in different states and are not necessarily geographic neighbors.

Land rankCounty equivalentLand mi²Comparison
#1216Morton County, Kansas729.7Compare
#1217Gooding County, Idaho729.3This county
#1218Putnam County, Florida728.4Compare

Calculated from the same Census release as the area table. Total-area order uses original ALAND + AWATER; water shares and chart labels use published square miles. Calculation details.

Representative coordinates

The Census internal point is 42.973185, -114.821420. It represents a location inside the geography; it is not necessarily the centroid or the address of a courthouse.

Source and precision

U.S. Census Bureau, 2026 Gazetteer Files, Counties. Original ALAND: 1,888,938,085 m²; AWATER: 12,467,172 m². Rankings use ALAND; exact ties use ascending GEOID. Tables preserve Census-published square miles to three decimals, with conversions based on those values.

Download the official county source ZIP ↗ · Methodology

Common questions

How big is Gooding County?

Gooding County, Idaho has 729.3 square miles (1,888.9 km²) of land and 4.814 square miles of water, for a total area of 734.1 square miles. It ranks #1217 of 3,222 U.S. county equivalents by land area.

Is Gooding County the largest county in Idaho?

No. Gooding County ranks #36 of 44 in Idaho by land area. The largest is Idaho County, with 8,477.5 square miles of land.

What counties border Gooding County?

Gooding County shares a land border with Twin Falls County, Camas County, Lincoln County, Elmore County, and Jerome County.

What is the population of Gooding County?

The Census Bureau estimates Gooding County had 16,446 residents on July 1, 2025, ranking #2,075 of 3,222 county equivalents. That is 23 people per square mile of land.

What is the county seat of Gooding County?

The county seat of Gooding County is Gooding.

What cities and towns are in Gooding County?

Gooding County has 4 incorporated places. The most populous are Gooding city, Wendell city, Hagerman city, and Bliss city; 8,245 residents live outside any incorporated place.

Is Gooding County part of a metropolitan area?

No. Gooding County is outside every metropolitan and micropolitan statistical area in the July 2023 OMB delineation.

How many ZIP codes are in Gooding County?

6 ZIP Code Tabulation Areas have land in Gooding County, and 3 of them have most of their land inside the county. Census ZIP Code Tabulation Areas approximate USPS ZIP Code areas.

How does Gooding County compare with U.S. states?

It has less land than every state. Rhode Island, the smallest, has 1.4 times as much land.

How many acres of land are in Gooding County?

The land measurement converts to approximately 466,767 acres. Including water, total area is approximately 469,848 acres. One square mile equals 640 acres.

Why might another source show a different area?

Check whether it reports land or total area, its Census vintage, and its rounding. Our guide explains how to reconcile county area figures.

Can this establish a property boundary?

No. Statistical measurements and generalized maps do not establish property lines. Consult the relevant local surveying or land-records authority.

Cite this county

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