Niagara, North Dakota Demographics & Population 2026

A note before these figures: with a population of 24, Niagara's ACS estimates come from a small number of survey responses and carry wide margins of error. Individual percentages below — particularly rates that round to 0% or 100% — are approximations, not precise measurements. See data.census.gov for the published margins of error.

Population Overview

Niagara is a small community located in North Dakota, within Grand Forks County. The total population is 24. It ranks as the 349th most populous out of 402 Census-designated places in North Dakota.

Age Demographics

The median age in Niagara is 34.3 years. This is 4% lower than the state median of 35.9 years.

Economy, Income & Housing

The median household income in Niagara is $88,750. This is 16% higher than the state median of $76,657. It is also 10% higher than the national median of $80,734. The ACS records no residents below the poverty line in Niagara. In a community this small the estimate rests on very few survey responses, so it should be read as an absence of measurement rather than a measured absence of poverty. The survey records no unemployed residents in Niagara, which reflects the size of the sample rather than a labor market without joblessness. The median home value is $100,000. Housing costs are 60% lower than the state median of $249,900. With a home-value-to-income ratio of just 1.1x, Niagara is one of the most affordable housing markets in the area. 100.0% of occupied housing units are owner-occupied. This homeownership rate is 59% higher than the state average of 62.8%.

Race & Ethnicity

Niagara has a predominantly White (non-Hispanic) population, comprising 95.8% of all residents.

Education

41.2% of residents aged 25 and older hold a bachelor's degree or higher. This places Niagara in the top 10% of all cities in the state for educational attainment. This is 26% higher than the state rate of 32.7%. Nationally, 35.7% of adults hold at least a bachelor's degree. No surveyed resident aged 25 or older reported leaving school before earning a high school diploma, though a rate of exactly 100% reflects the limits of a small sample.

Data Sources & Methodology

All demographic data for Niagara, North Dakota is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against North Dakota state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 402 Census-designated places in North Dakota. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.