Idaho · Census place 1601900

American Falls, Idaho

American Falls is a city in Power County, Idaho with an estimated 4,863 residents on July 1, 2024. It is the 37th largest of 86 incorporated places of 1,000+ people in the state.

Population 2024
4,863
#37 of 86 in Idaho
Change since 2020
+6.5%
+296 people
Land area
1.6 sq mi
Density
3,020 / sq mi
State median 2,389
Orange pin: American Falls. Shaded: its county. Dark pin: Boise.

American Falls population, 2020 to 2024

American Falls added 296 residents from July 2020 to July 2024, a change of +6.5%. In the latest year it moved by +50.

4,56720204,63020214,69220224,81320234,8632024
July 1 estimates. The April 2020 estimates base was 4,565. The axis starts above zero so yearly changes are visible.

American Falls covers 1.61 square miles of land, for 3,020 people per square mile of land. The median Idaho place of 5,000+ has 2,389, so American Falls is denser than the typical town.

What county American Falls is in

All of American Falls's residents live in Power County, which had 8,381 residents in 2024. American Falls holds 58.0% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in American Falls

1 ZIP Code Tabulation Area (ZCTA) overlaps American Falls by at least 10% of the ZCTA's or the city's land: 83211. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a city that annexed land after 2020 may reach into ZIP codes not listed here.

Where American Falls is

The Census internal point of American Falls is at 42.782800, -112.854200. Boise, the capital, is 178.8 miles WNW in a straight line. The nearest larger place is Pocatello, ID (58,231 people), 20.8 miles away. The nearest city of 100,000 or more is Salt Lake City, UT, 146.5 miles away.

Internal point

Decimal
42.782800, -112.854200
DMS
42°46'58.08"N 112°51'15.12"W
UTM
12N 348333.9E 4738362.7N
Geohash
9rxeruq5f
Plus code
85J9Q4MW+48

Daylight in American Falls

At 42.78° N, American Falls gets about 15 h 20 min of daylight around the June solstice and 9 h 02 min around the December solstice, a swing of 6 h 19 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near American Falls

The eight nearest incorporated places of 1,000+ in Idaho, measured between internal points. The closest is Aberdeen, 11.2 miles away, with 1,856 people.

Questions people ask

What is the population of American Falls, ID?

4,863 on July 1, 2024, in the Census Vintage 2024 estimates. That is up 296 (6.5%) from 4,567 in July 2020.

What county is American Falls in?

Power County. All of its residents live in that county.

What ZIP codes cover American Falls?

1 ZIP Code Tabulation Area overlaps it by at least 10% of either area: 83211.

How far is American Falls from Boise?

178.8 miles (287.8 km) in a straight line, heading WNW from American Falls.

What is the nearest larger city to American Falls?

Pocatello, ID, with 58,231 residents, 20.8 miles away between internal points.

Sources and data as of

Data as of: Census Vintage 2024 subcounty estimates (July 1, 2024), 2024 Gazetteer places, 2020 ZCTA to place relationship file.

  1. 01Census Vintage 2024 subcounty population estimates
  2. 02Census 2024 Gazetteer, places
  3. 03Census 2020 ZCTA to place relationship file
  4. 04Census 2024 cartographic boundary file, counties (1:5,000,000)

How every number is computed: methodology. Spotted a wrong figure? Report an error.