Idaho · Census place 1601990

Ammon, Idaho

Ammon is a city in Bonneville County, Idaho with an estimated 20,095 residents on July 1, 2024. It is the 15th largest of 86 incorporated places of 1,000+ people in the state.

Population 2024
20,095
#15 of 86 in Idaho
Change since 2020
+12.4%
+2,219 people
Land area
8.2 sq mi
Density
2,460 / sq mi
State median 2,389
Orange pin: Ammon. Shaded: its county. Dark pin: Boise.

Ammon population, 2020 to 2024

Ammon added 2,219 residents from July 2020 to July 2024, a change of +12.4%. In the latest year it moved by +467. Among 36 Idaho places of 5,000 or more, that growth ranks 13th; the median place changed by +8.3%. The median place of 5,000+ in Idaho has 16,745 people, so Ammon is 1.2 times that size.

17.9k202018.7k202119.0k202219.6k202320.1k2024
July 1 estimates. The April 2020 estimates base was 17,720. The axis starts above zero so yearly changes are visible.

Ammon covers 8.17 square miles of land, for 2,460 people per square mile of land. The median Idaho place of 5,000+ has 2,389, so Ammon is close to the typical town.

What county Ammon is in

All of Ammon's residents live in Bonneville County, which had 133,644 residents in 2024. Ammon holds 15.0% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Ammon

2 ZIP Code Tabulation Areas (ZCTAs) overlap Ammon by at least 10% of the ZCTA's or the city's land: 83401, 83406. 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 Ammon is

The Census internal point of Ammon is at 43.475000, -111.959600. Boise, the capital, is 213.3 miles W in a straight line. The nearest larger place is Idaho Falls, ID (69,523 people), 3.9 miles away. The nearest city of 100,000 or more is Salt Lake City, UT, 186.4 miles away.

Internal point

Decimal
43.475000, -111.959600
DMS
43°28'30.00"N 111°57'34.56"W
UTM
12N 422389.6E 4814012.1N
Geohash
9x8rk63s0
Plus code
85MCF2GR+25

Daylight in Ammon

At 43.48° N, Ammon gets about 15 h 25 min of daylight around the June solstice and 8 h 57 min around the December solstice, a swing of 6 h 28 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Ammon

The eight nearest incorporated places of 1,000+ in Idaho, measured between internal points. The closest is Iona, 3.9 miles away, with 3,113 people.

Questions people ask

What is the population of Ammon, ID?

20,095 on July 1, 2024, in the Census Vintage 2024 estimates. That is up 2,219 (12.4%) from 17,876 in July 2020.

What county is Ammon in?

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

What ZIP codes cover Ammon?

2 ZIP Code Tabulation Areas overlap it by at least 10% of either area: 83401, 83406.

How far is Ammon from Boise?

213.3 miles (343.3 km) in a straight line, heading W from Ammon.

What is the nearest larger city to Ammon?

Idaho Falls, ID, with 69,523 residents, 3.9 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.