South Coffeyville, Oklahoma Demographics & Population 2026

A note before these figures: with a population of 684, South Coffeyville'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

South Coffeyville is a small community located in Oklahoma, within Nowata County. The total population is 684. It ranks as the 305th most populous out of 834 Census-designated places in Oklahoma.

Age Demographics

The median age in South Coffeyville is 38.9 years. This is 5% higher than the state median of 37.0 years. With 28.1% of the population under 18, South Coffeyville has a notably young demographic profile, suggesting a family-oriented community.

Economy, Income & Housing

The median household income in South Coffeyville is $56,875. This is 13% lower than the state median of $65,039. It is also 30% lower than the national median of $80,734. The poverty rate stands at 14.5%. This is 6% lower than the state poverty rate of 15.3%. The unemployment rate is 2.1%. This is 57% lower than the state rate of 5.0%. The median home value is $102,700. Housing costs are 49% lower than the state median of $199,800. With a home-value-to-income ratio of just 1.8x, South Coffeyville is one of the most affordable housing markets in the area. 72.6% of occupied housing units are owner-occupied. This homeownership rate is 10% higher than the state average of 65.8%.

Race & Ethnicity

The largest racial or ethnic group in South Coffeyville is White (non-Hispanic), making up 58.3% of the population. Hispanic or Latino residents account for 4.0%. The Black or African American population (0.6%) is well below the state average of 6.8%. The Hispanic or Latino population (4.0%) is well below the state average of 12.7%. The Asian population (0.1%) is well below the state average of 2.4%.

Education

11.3% of residents aged 25 and older hold a bachelor's degree or higher. This is 60% lower than the state rate of 28.3%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 85.8%.

Data Sources & Methodology

All demographic data for South Coffeyville, Oklahoma 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 Oklahoma state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 834 Census-designated places in Oklahoma. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.