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Ammon city, Idaho Demographics & Population 2026

As of 2026, Ammon city, Idaho has a total population of 18,496, the 15th largest city in Idaho, with a median household income of $84,154, which is 13% higher than the state average. The poverty rate is 5.3%.

Key Takeaways

Ammon city Quick Facts

Population 18,496
Median Household Income $84,154
Median Home Value $336,500
Poverty Rate 5.3%
Unemployment Rate 2.4%
Median Age 32.5 years
Homeownership Rate 70.4%
Affordability Ratio 4.0x
Bachelor's Degree or Higher 38.7%
High School Graduation Rate 95.2%
Diversity Index 26/100
Population 18,496 15th of 234
Median Income $84,154 top 20%
Poverty Rate 5.3% 58% lower national
Median Home Value $336,500 top 30%

How Ammon city Compares

Economy & Housing

Employment

2.4% Unemployment Rate State: 3.7% | National: 5.2%
63.8% Labor Force Participation

Housing Overview

Owner 70.4%
Renter 29.6%
Affordability Index Moderate
4.0x home value to income ratio

People & Demographics

Diversity Index

26out of 100
Low Diversity

A less diverse community where one racial or ethnic group represents a large majority.

State average: 35 | National average: 60

Education

Ammon city Rankings in Idaho

#15 Population of 234
#30 Median Income of 234
#27 Education of 234
#47 Home Value of 234

Cities Similar to Ammon city

These cities in the same state have comparable population and economic profiles.

CityPopulationMedian IncomeHome ValueBachelor's+Poverty
Hayden city16,021$77,534$445,70027.6%7.6%
Chubbuck city15,900$78,646$313,70026.1%8.3%
Mountain Home city16,265$58,486$270,70018.9%12.4%
Star city13,231$91,318$498,90033.8%8.7%
Kuna city25,960$93,545$403,70031.4%7.3%

Population Overview

Ammon city is a small city located in Idaho. The total population is 18,496. It ranks as the 15th most populous out of 234 cities and towns in Idaho.

Age Demographics

The median age in Ammon city is 32.5 years. This is 12% lower than the state median of 37.1 years. With 32.3% of the population under 18, Ammon city has a notably young demographic profile, suggesting a family-oriented community.

Economy, Income & Housing

The median household income in Ammon city is $84,154. This is 13% higher than the state median of $74,636. Compared to the national median of $78,538, household income here is 7% higher. The poverty rate stands at 5.3%. This is 50% lower than the state poverty rate of 10.6%. The unemployment rate is 2.4%. This is 34% lower than the state rate of 3.7%. The median home value is $336,500. Housing costs are 11% lower than the state median of $376,000. The home-value-to-income ratio is 4.0x. 70.4% of occupied housing units are owner-occupied. This homeownership rate is 3% lower than the state average of 72.4%.

Race & Ethnicity

Ammon city has a predominantly White (non-Hispanic) population, comprising 85.4% of all residents. Hispanic or Latino residents account for 11.9%. The Black or African American population (0.1%) is well below the state average of 0.7%.

Education

38.7% of residents aged 25 and older hold a bachelor's degree or higher. This is 24% higher than the state rate of 31.2%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 95.2%.

Data Sources & Methodology

All demographic data for Ammon city, Idaho is sourced from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates (2019-2023). The ACS collects data from approximately 3.5 million households annually, providing reliable estimates for communities of all sizes. Comparisons are made against Idaho state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 234 Census-designated places in Idaho. For official data, visit data.census.gov.

Free data download: Get all Idaho city and county demographics as CSV. Download Cities CSV | Download Counties CSV

Frequently Asked Questions

What is the population of Ammon city, Idaho?

Ammon city, Idaho has a population of 18,496 according to the most recent U.S. Census ACS 5-Year Estimates.

What is the median household income in Ammon city, ID?

The median household income in Ammon city is $84,154, which is 7% higher the national median of $78,538.

What is the poverty rate in Ammon city, ID?

The poverty rate in Ammon city is 5.3%. This means approximately 963 residents live below the federal poverty line.

What is the racial makeup of Ammon city, Idaho?

Ammon city's population is 85.4% White, 0.1% Black, 11.9% Hispanic/Latino, and 0.8% Asian.

What is the median home value in Ammon city, ID?

The median home value in Ammon city is $336,500. The home-value-to-income ratio is 4.0x.

How educated is Ammon city, Idaho?

38.7% of adults (25+) in Ammon city hold a bachelor's degree or higher, and 12.6% hold a graduate or professional degree.