Declo city, Idaho Demographics & Population 2026

Name: Declo city, Idaho Demographics
Creator: U.S. Census Bureau
License: https://www.census.gov/data/developers/about/terms-of-service.html

As of 2026, Declo city, Idaho has a total population of 514, the 146th largest city in Idaho, with a median household income of $46,780, which is 37% lower than the state average. The poverty rate is 12.5%.

Key Takeaways

Household income is 37% below the state average, indicating significant economic challenges.
Near full employment with an unemployment rate of just 1.7%.

Declo city Quick Facts

Population 514

Median Household Income $46,780

Median Home Value $218,200

Poverty Rate 12.5%

Unemployment Rate 1.7%

Median Age 38.0 years

Homeownership Rate 38.0%

Affordability Ratio 4.7x

Bachelor's Degree or Higher 17.1%

High School Graduation Rate 90.6%

Diversity Index 44/100

Population 514 146th of 234

Median Income $46,780 bottom 20%

Poverty Rate 12.5% about average national

Median Home Value $218,200 average

How Declo city Compares

Median Household Income

Declo city

$46,780

$74,636

National

$78,538

Median Home Value

Declo city

$218,200

$376,000

National

$303,400

Economy & Housing

Household Income Distribution

Under $25K 26.0%

$25K-$50K 32.5%

$50K-$100K 16.0%

$100K+ 25.5%

Employment

1.7% Unemployment Rate State: 3.7% | National: 5.2%

63.6% Labor Force Participation

Housing Overview

Owner 38.0%

Renter 62.0%

Affordability Index Moderate

4.7x home value to income ratio

People & Demographics

Age Distribution

Under 18

37.2%

18-34

9.9%

35-54

26.1%

55-74

23.5%

75+

3.3%

Race & Ethnicity

Diversity Index

Moderate Diversity

Moderate diversity with one or two groups making up the majority.

State average: 35 | National average: 60

Education

Educational Attainment (Adults 25+)

Declo city Rankings in Idaho

#146 Population of 234

#180 Median Income of 234

#134 Education of 234

#123 Home Value of 234

Explore Idaho Rankings

Cities by Population All cities ranked by size Richest Cities Ranked by median income Most Educated By bachelor's degree rate Most Affordable By housing affordability

Cities Similar to Declo city

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

City	Population	Median Income	Home Value	Bachelor's+	Poverty
Dubois city	495	$48,333	$195,800	24.2%	13.9%
Letha CDP	566	N/A	N/A	0.0%	1.4%
Craigmont city	509	$56,818	$179,300	17.2%	13.4%
Roberts city	534	$57,083	$154,200	11.7%	15.2%
Idaho City city	556	$41,111	$94,500	11.0%	5.6%

Population Overview

Declo city is a small community located in Idaho. The total population is 514. It ranks as the 146th most populous out of 234 cities and towns in Idaho.

Age Demographics

The median age in Declo city is 38.0 years. This is 2% higher than the state median of 37.1 years. With 37.2% of the population under 18, Declo city has a notably young demographic profile, suggesting a family-oriented community.

Economy, Income & Housing

The median household income in Declo city is $46,780. This is 37% lower than the state median of $74,636. Compared to the national median of $78,538, household income here is 40% lower. The poverty rate stands at 12.5%. This is 18% higher than the state poverty rate of 10.6%. The unemployment rate is 1.7%. This is 54% lower than the state rate of 3.7%. The median home value is $218,200. Housing costs are 42% lower than the state median of $376,000. The home-value-to-income ratio is 4.7x. 38.0% of occupied housing units are owner-occupied. This homeownership rate is 47% lower than the state average of 72.4%.

Race & Ethnicity

The largest racial or ethnic group in Declo city is White (non-Hispanic), making up 70.8% of the population. Hispanic or Latino residents account for 23.9%. The Hispanic or Latino population is significantly higher than the state average (23.9% vs 13.3%).

Education

17.1% of residents aged 25 and older hold a bachelor's degree or higher. This is 45% lower 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 90.6%.

Data Sources & Methodology

All demographic data for Declo 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.

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Frequently Asked Questions

What is the population of Declo city, Idaho?

Declo city, Idaho has a population of 514 according to the most recent U.S. Census ACS 5-Year Estimates.

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

The median household income in Declo city is $46,780, which is 40% lower the national median of $78,538.

What is the poverty rate in Declo city, ID?

The poverty rate in Declo city is 12.5%. This means approximately 64 residents live below the federal poverty line.

What is the racial makeup of Declo city, Idaho?

Declo city's population is 70.8% White, 1.0% Black, 23.9% Hispanic/Latino, and 0.0% Asian.

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

The median home value in Declo city is $218,200. The home-value-to-income ratio is 4.7x.

How educated is Declo city, Idaho?

17.1% of adults (25+) in Declo city hold a bachelor's degree or higher, and 10.0% hold a graduate or professional degree.