Killen, Alabama Demographics & Population 2026
During the 2020–2024 ACS period, Killen, Alabama had a total population of 1,150, the 298th largest town in Alabama, with a median household income of $69,722, which is 9% higher than the state average. The poverty rate is 8.0%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Killen Quick Facts
How Killen Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 1,431 | 1,150 | -19.6% |
| Median household income | $61,422 | $69,722 | +13.5% |
| Median home value | $162,800 | $175,000 | +7.5% |
How Killen Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 53 | National average: 61
Education
Educational Attainment (Adults 25+)
Killen Rankings in Alabama
Explore Alabama Rankings
Other Cities in Lauderdale County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Florence | 41,701 | $52,174 | 17.9% | $196,300 |
| Underwood-Petersville | 3,100 | $48,219 | 7.4% | $142,900 |
| Rogersville | 1,260 | $66,127 | 9.4% | $185,800 |
| St. Florian | 697 | $58,750 | 3.4% | $314,000 |
| Lexington | 638 | $57,356 | 16.1% | $202,400 |
| Anderson | 410 | $110,682 | 3.2% | $304,300 |
| Waterloo | 113 | N/A | 22.1% | $98,800 |
Cities Similar to Killen
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Steele | 1,149 | $72,386 | $107,100 | 8.7% | 7.0% |
| Cleveland | 1,182 | $71,328 | $165,600 | 14.8% | 4.0% |
| Ohatchee | 1,148 | $76,667 | $197,600 | 17.3% | 12.0% |
| Woodstock | 1,218 | $73,438 | $195,800 | 10.2% | 14.1% |
| Douglas | 1,113 | $62,000 | $175,400 | 15.8% | 21.7% |
Population Overview
Killen is a small community located in Alabama, within Lauderdale County. The total population is 1,150. It ranks as the 298th most populous out of 592 Census-designated places in Alabama.
Age Demographics
The median age in Killen is 40.9 years. This is 4% higher than the state median of 39.3 years. 10.3% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.
Economy, Income & Housing
The median household income in Killen is $69,722. This is 9% higher than the state median of $63,999. It is also 14% lower than the national median of $80,734. The poverty rate stands at 8.0%. This is 49% lower than the state poverty rate of 15.6%. The unemployment rate is 3.8%. This is 20% lower than the state rate of 4.7%. The median home value is $175,000. Housing costs are 17% lower than the state median of $209,900. With a home-value-to-income ratio of just 2.5x, Killen is one of the most affordable housing markets in the area. 68.8% of occupied housing units are owner-occupied. This homeownership rate is 2% lower than the state average of 70.2%.
Race & Ethnicity
Killen has a predominantly White (non-Hispanic) population, comprising 91.6% of all residents. Black or African American residents account for 3.5%. The Black or African American population (3.5%) is well below the state average of 25.6%.
Education
20.1% of residents aged 25 and older hold a bachelor's degree or higher. This is 29% lower than the state rate of 28.4%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 89.3%.
Data Sources & Methodology
All demographic data for Killen, Alabama 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 Alabama state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 592 Census-designated places in Alabama. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.
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Frequently Asked Questions
What is the population of Killen, Alabama?
Killen, Alabama has a population of 1,150 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Killen, AL?
The median household income in Killen is $69,722, which is 14% lower than the national median of $80,734.
What is the poverty rate in Killen, AL?
The poverty rate in Killen is 8.0%. This means approximately 90 residents live below the federal poverty line.
What is the racial makeup of Killen, Alabama?
Killen's population is 91.6% White, 3.5% Black, 3.3% Hispanic/Latino, and 0.0% Asian.
What is the median home value in Killen, AL?
The median home value in Killen is $175,000. The home-value-to-income ratio is 2.5x.
How educated is Killen, Alabama?
20.1% of adults (25+) in Killen hold a bachelor's degree or higher, and 7.4% hold a graduate or professional degree.