Bingham County area

Population and density of Bingham County

The Census Bureau estimates that 51,153 people lived in Bingham County on July 1, 2025. That ranks #1,013 of 3,222 county equivalents nationally and #9 of 44 in Idaho. Since the April 1, 2020 estimates base of 47,987, the population has grown by 3,166 (+6.6%), compared with +10.4% for Idaho as a whole.

With 2,093.7 square miles of land, that is 24 people per square mile (9.4 per km²), placing Bingham County #2,159 nationally for density and #17 in Idaho. The median county equivalent has 47 people per square mile; the Idaho median is 10. Put another way, there are about 26 acres of land per resident.

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 Bingham County

5 incorporated places lie at least partly in Bingham County. Together they are home to 21,437 people (41.9%); the other 29,716 (58.1%) live outside any incorporated place, in unincorporated communities and rural areas.

The largest is Blackfoot city, with 13,361 residents in the county. Among places with at least 1,000 residents in 2020, Shelley city grew fastest since then (+10.6%).

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

Metropolitan area

Bingham County is a central county of the Blackfoot, ID Micropolitan Statistical Area. Bingham County is the area’s only county equivalent, so the micro area has the same 2,093.7 square miles of land. By combined land it ranks #75 of 542 micropolitan areas, and #218 by population. It belongs to the Idaho Falls-Rexburg-Blackfoot, ID Combined Statistical Area.

ZIP codes

12 ZIP Code Tabulation Areas have land in Bingham County; 9 of them have most of their land inside the county, and the others mainly cover neighboring areas.

832028320383210832118321583218832218323683262832748327783402

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 Bingham County

Bingham County shares a land border with 7 county equivalents. It has more land than 5 of them. The largest neighbor is Blaine County (2,637.7 mi²) and the smallest is Jefferson County (1,093.7 mi²). Together with its neighbors, Bingham County forms a block of 14,208.1 mi² of land, of which it holds 14.7%.

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

Bingham County has more land than 2 of the 50 states. It is about 1.1 times the land area of Delaware (1,948.6 mi²), while Connecticut, the next larger state, has 2.3 times as much land (4,842.5 mi²). Idaho’s county land could hold about 39 areas the size of Bingham County.

Another way to picture it: the same land area would fill a square about 45.8 miles (73.6 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 Bingham County?

Bingham County has more land than 2,954 of the other 3,221 county equivalents in the dataset.

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 Bingham County at #298 nationally by total area, 30 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 1.2%, compared with a national county-equivalent median of 1.2%. The two percentages are within 0.1 percentage points of each other. 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 Bingham County in the national ranking. They can be in different states and are not necessarily geographic neighbors.

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.