Union, Kentucky Demographics & Population 2026
During the 2020–2024 ACS period, Union, Kentucky had a total population of 7,642, the 59th largest city in Kentucky, with a median household income of $136,712, which is 115% higher than the state average. The poverty rate is 2.9%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Household income is 115% above the state average — one of the wealthiest communities in Kentucky.
- An exceptionally low poverty rate of 2.9% — among the lowest in Kentucky.
- 58.9% of adults hold a bachelor's degree or higher — top 10% in Kentucky.
- Near full employment with an unemployment rate of just 1.5%.
Union Quick Facts
How Union 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 | 7,494 | 7,642 | +2.0% |
| Median household income | $139,013 | $136,712 | -1.7% |
| Median home value | $382,900 | $411,500 | +7.5% |
How Union 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: 33 | National average: 61
Education
Educational Attainment (Adults 25+)
Union Rankings in Kentucky
Explore Kentucky Rankings
Other Cities in Boone County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Florence | 32,803 | $71,003 | 9.5% | $210,700 |
| Burlington | 18,008 | $109,308 | 5.5% | $254,300 |
| Francisville | 10,565 | $159,371 | 1.7% | $398,000 |
| Oakbrook | 10,211 | $94,652 | 2.5% | $260,700 |
| Hebron | 6,407 | $106,719 | 10.0% | $239,300 |
| Verona | 1,394 | $144,507 | 3.2% | $451,600 |
| Petersburg | 771 | $101,389 | 3.6% | $226,700 |
| Belleview | 262 | $34,423 | 17.6% | $121,000 |
| Rabbit Hash | 175 | N/A | 30.9% | $300,000 |
Cities Similar to Union
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Villa Hills | 7,480 | $107,859 | $362,500 | 51.4% | 3.7% |
| Edgewood | 8,447 | $119,028 | $312,200 | 54.9% | 3.8% |
| Hebron | 6,407 | $106,719 | $239,300 | 30.0% | 10.0% |
| Crestwood | 6,356 | $108,046 | $338,200 | 47.1% | 8.1% |
| Taylor Mill | 6,937 | $88,546 | $241,000 | 38.3% | 10.9% |
Population Overview
Union is a small city located in Kentucky, within Boone County. The total population is 7,642. It ranks as the 59th most populous out of 552 Census-designated places in Kentucky.
Age Demographics
The median age in Union is 39.5 years. This is 1% higher than the state median of 39.1 years.
Economy, Income & Housing
The median household income in Union is $136,712. This is 115% higher than the state median of $63,726. It is also 69% higher than the national median of $80,734. The poverty rate stands at 2.9%. This is 82% lower than the state poverty rate of 16.1%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The unemployment rate is 1.5%. This is 70% lower than the state rate of 4.9%. The median home value is $411,500. Housing costs are 100% higher than the state median of $205,600. The home-value-to-income ratio is 3.0x. 82.5% of occupied housing units are owner-occupied. This homeownership rate is 21% higher than the state average of 68.3%.
Race & Ethnicity
Union has a predominantly White (non-Hispanic) population, comprising 89.4% of all residents. Hispanic or Latino residents account for 3.0%.
Education
58.9% of residents aged 25 and older hold a bachelor's degree or higher. This places Union in the top 10% of all cities in the state for educational attainment. This is 114% higher than the state rate of 27.6%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 98.8%. Notably, 24.2% of adults hold a graduate or professional degree, indicating a highly educated workforce.
Data Sources & Methodology
All demographic data for Union, Kentucky 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 Kentucky state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 552 Census-designated places in Kentucky. 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 Union, Kentucky?
Union, Kentucky has a population of 7,642 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Union, KY?
The median household income in Union is $136,712, which is 69% higher than the national median of $80,734.
What is the poverty rate in Union, KY?
The poverty rate in Union is 2.9%. This means approximately 223 residents live below the federal poverty line.
What is the racial makeup of Union, Kentucky?
Union's population is 89.4% White, 0.0% Black, 3.0% Hispanic/Latino, and 1.8% Asian.
What is the median home value in Union, KY?
The median home value in Union is $411,500. The home-value-to-income ratio is 3.0x.
How educated is Union, Kentucky?
58.9% of adults (25+) in Union hold a bachelor's degree or higher, and 24.2% hold a graduate or professional degree.