Lannon, Wisconsin Demographics & Population 2026
During the 2020–2024 ACS period, Lannon, Wisconsin had a total population of 1,482, the 318th largest village in Wisconsin, with a median household income of $83,889, which is 8% higher than the state average. The poverty rate is 1.4%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- An exceptionally low poverty rate of 1.4% — among the lowest in Wisconsin.
- 43.8% of adults hold a bachelor's degree or higher — top 10% in Wisconsin.
- Near full employment with an unemployment rate of just 1.5%.
Lannon Quick Facts
How Lannon 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 | 1,475 | 1,482 | +0.5% |
| Median household income | $79,191 | $83,889 | +5.9% |
| Median home value | $255,900 | $260,000 | +1.6% |
How Lannon 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: 37 | National average: 61
Education
Educational Attainment (Adults 25+)
Lannon Rankings in Wisconsin
Explore Wisconsin Rankings
Other Cities in Waukesha County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Waukesha | 71,233 | $83,837 | 9.8% | $315,500 |
| Brookfield | 41,273 | $129,548 | 3.2% | $443,900 |
| New Berlin | 40,270 | $101,091 | 4.1% | $365,700 |
| Menomonee Falls | 39,539 | $100,238 | 5.2% | $368,000 |
| Muskego | 25,406 | $112,221 | 3.0% | $417,400 |
| Oconomowoc | 19,080 | $106,425 | 7.7% | $394,500 |
| Pewaukee | 16,211 | $108,350 | 3.7% | $447,100 |
| Sussex | 12,066 | $119,041 | 4.5% | $430,600 |
| Hartland | 9,972 | $87,754 | 5.2% | $393,100 |
| Mukwonago | 8,415 | $98,273 | 4.2% | $366,200 |
Cities Similar to Lannon
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Fall Creek | 1,493 | $86,818 | $214,200 | 31.4% | 7.3% |
| Bangor | 1,517 | $81,250 | $218,000 | 30.8% | 8.6% |
| King | 1,399 | $84,183 | $145,900 | 13.8% | 7.7% |
| Woodville | 1,424 | $80,104 | $220,300 | 19.8% | 7.4% |
| Lauderdale Lakes | 1,469 | $74,313 | $378,300 | 43.8% | 4.5% |
Population Overview
Lannon is a small community located in Wisconsin, within Waukesha County. The total population is 1,482. It ranks as the 318th most populous out of 808 Census-designated places in Wisconsin.
Age Demographics
The median age in Lannon is 42.2 years. This is 5% higher than the state median of 40.2 years. 12.3% 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 Lannon is $83,889. This is 8% higher than the state median of $77,485. It is also 4% higher than the national median of $80,734. The poverty rate stands at 1.4%. This is 87% lower than the state poverty rate of 10.5%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The unemployment rate is 1.5%. This is 54% lower than the state rate of 3.3%. The median home value is $260,000. Housing costs are 2% lower than the state median of $266,500. The home-value-to-income ratio is 3.1x. 85.0% of occupied housing units are owner-occupied. This homeownership rate is 25% higher than the state average of 67.8%.
Race & Ethnicity
Lannon has a predominantly White (non-Hispanic) population, comprising 88.3% of all residents. Asian residents account for 5.2%. The Black or African American population (0.5%) is well below the state average of 5.9%. The Hispanic or Latino population (1.2%) is well below the state average of 8.0%. The Asian population is significantly higher than the state average (5.2% vs 2.9%).
Education
43.8% of residents aged 25 and older hold a bachelor's degree or higher. This places Lannon in the top 10% of all cities in the state for educational attainment. This is 31% higher than the state rate of 33.4%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 85.9%.
Data Sources & Methodology
All demographic data for Lannon, Wisconsin 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 Wisconsin state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 808 Census-designated places in Wisconsin. 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 Lannon, Wisconsin?
Lannon, Wisconsin has a population of 1,482 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Lannon, WI?
The median household income in Lannon is $83,889, which is 4% higher than the national median of $80,734.
What is the poverty rate in Lannon, WI?
The poverty rate in Lannon is 1.4%. This means approximately 21 residents live below the federal poverty line.
What is the racial makeup of Lannon, Wisconsin?
Lannon's population is 88.3% White, 0.5% Black, 1.2% Hispanic/Latino, and 5.2% Asian.
What is the median home value in Lannon, WI?
The median home value in Lannon is $260,000. The home-value-to-income ratio is 3.1x.
How educated is Lannon, Wisconsin?
43.8% of adults (25+) in Lannon hold a bachelor's degree or higher, and 12.5% hold a graduate or professional degree.