Fond du Lac County, Wisconsin Demographics 2026

Name: Fond du Lac County, Wisconsin Demographics
Creator: U.S. Census Bureau
License: https://www.census.gov/data/developers/about/terms-of-service.html

Fond du Lac County, Wisconsin has a population of 104,137, the 16th most populous county in Wisconsin. The median household income is $74,275 and the median home value is $222,800. The poverty rate is 9.2%.

Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes

Fond du Lac County Quick Facts

Population 104,137

Median Household Income $74,275

Median Home Value $222,800

Poverty Rate 9.2%

Unemployment Rate 3.2%

Median Age 41.9 years

Homeownership Rate 70.7%

Affordability Ratio 3.0x

Bachelor's Degree+ 22.3%

High School Graduation 93.1%

Cities/Places 16

Population 104,137 16th of 72

Median Income $74,275 4% lower than state

Poverty Rate 9.2%

Unemployment 3.2%

How Fond du Lac County 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	104,053	104,137	+0.1%
Median household income	$73,154	$74,275	+1.5%
Median home value	$209,800	$222,800	+6.2%

Median Household Income

Fond du Lac

$74,275

$77,485

National

$80,734

Median Home Value

Fond du Lac

$222,800

$266,500

National

$332,700

Economy & Housing

Household Income Distribution

Under $25K 13.1%

$25K-$50K 18.2%

$50K-$100K 32.5%

$100K+ 36.3%

Detailed income brackets

Under $10K

3.2%

$10K-$15K

3.7%

$15K-$20K

3.3%

$20K-$25K

2.9%

$25K-$30K

2.7%

$30K-$35K

3.5%

$35K-$40K

4.0%

$40K-$45K

4.2%

$45K-$50K

3.8%

$50K-$60K

7.7%

$60K-$75K

11.6%

$75K-$100K

13.2%

$100K-$125K

12.9%

$125K-$150K

8.1%

$150K-$200K

9.0%

$200K+

6.3%

Employment

3.2% Unemployment Rate State: 3.3%|National: 5.2%

64.3% Labor Force Participation

Housing Overview

Owner 70.7%

Renter 29.3%

Affordability Index Affordable

3.0x home value to income ratio

Median gross rent $960/mo 15.5% of median household income annually

People & Demographics

Age Distribution

Under 18

21.1%

18-34

20.1%

35-54

24.6%

55-74

26.1%

75+

8.1%

Race & Ethnicity

Diversity Index

Low Diversity

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+)

Cities & Places in Fond du Lac County

City	Population	Median Income	Poverty	Home Value
Fond du Lac	44,494	$62,260	12.4%	$173,700
Waupun	11,174	$65,625	16.6%	$188,600
Ripon	7,772	$54,763	12.8%	$174,900
North Fond du Lac	5,392	$62,832	12.3%	$155,100
Campbellsport	1,973	$80,040	11.3%	$221,600
St. Peter	1,413	$137,604	1.1%	$359,800
Oakfield	1,182	$91,172	9.0%	$240,700
Brandon	913	$87,813	8.5%	$168,500
Rosendale	853	$95,893	6.7%	$261,300
Taycheedah	801	$111,747	0.0%	$340,900
Van Dyne	752	$130,206	0.0%	$334,300
Eden	732	$69,167	10.4%	$163,100
Mount Calvary	642	$82,212	5.3%	$231,500
St. Cloud	454	$100,357	2.0%	$194,600
Fairwater	350	$71,250	18.9%	$145,800
Alto	122	$86,667	1.7%	$169,600

Explore Wisconsin Rankings

Cities by Population All cities ranked by size Richest Cities Ranked by median income Most Educated By bachelor's degree rate Most Affordable By housing affordability

Population Overview

Fond du Lac County is located in Wisconsin with a total population of 104,137. It is the 16th most populous county out of 72 in Wisconsin. The county encompasses 16 Census-designated places.

Age Demographics

The median age in Fond du Lac County is 41.9 years. This is 4% higher than the state median of 40.2 years.

Economy, Income & Housing

The median household income in Fond du Lac County is $74,275. This is 4% lower than the state median of $77,485. It is also 8% lower than the national median of $80,734. The poverty rate stands at 9.2%. This is 12% lower than the state poverty rate of 10.5%. The unemployment rate is 3.2%. This is 2% lower than the state rate of 3.3%. The median home value is $222,800. Housing costs are 16% lower than the state median of $266,500. The home-value-to-income ratio is 3.0x. 70.7% of occupied housing units are owner-occupied. This homeownership rate is 4% higher than the state average of 67.8%.

Race & Ethnicity

Fond du Lac County has a predominantly White (non-Hispanic) population, comprising 86.0% of all residents. Hispanic or Latino residents account for 6.9%. The Black or African American population (1.7%) is well below the state average of 5.9%.

Education

22.3% of residents aged 25 and older hold a bachelor's degree or higher. This is 33% lower 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 93.1%.

Data Sources & Methodology

All figures for Fond du Lac County come from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates, with comparisons drawn against Wisconsin and national averages from the same dataset. See our methodology page for how each metric is defined, or data.census.gov for official tables with margins of error.

Frequently Asked Questions

What is the population of Fond du Lac County, Wisconsin?

Fond du Lac County has a population of 104,137, making it the 16th most populous county in Wisconsin.

What is the median income in Fond du Lac County?

The median household income in Fond du Lac County is $74,275 with a poverty rate of 9.2%.

How many cities are in Fond du Lac County, Wisconsin?

Fond du Lac County contains 16 Census-designated places.