County · Wisconsin

Fond du Lac County, Wisconsin

Fond du Lac County, Wisconsin. Fond du Lac County had 104,669 residents in 2025 by the Census Bureau's estimate, up 0.5% since 2020, slower than Wisconsin (+1.3%). It holds 38 places (13 cities, villages and boroughs, 21 towns and townships and 4 census-designated) and 23 census tracts. GEOID 55039.

Fond du Lac County is the county of the Fond du Lac, WI metropolitan statistical area (the Census Bureau's July 2023 delineation).

Residents, July 2025 estimate

104,669

Census Bureau estimate (no margin published)
2020 Census count: 104,154 · ACS 2020-2024: 104,137

Median household income

$74,275

±$2,612 (90% margin)
Wisconsin: $77,485

Median home value

$222,800

±$5,121 (90% margin)
Wisconsin: $266,500

Median gross rent

$960

±$28 (90% margin)
Wisconsin: $1,087

How many people live in Fond du Lac County, and is it growing?

The 2020 Census counted 104,154 residents in Fond du Lac County. The Census Bureau estimates 104,669 for July 1, 2025, up 0.5% since 2020, slower than Wisconsin (+1.3%). The 2020-2024 American Community Survey puts the population at 104,137 over 720 square miles of land.

July 2020→2021 −31 (104,128)
2021→2022 −25 (104,103)
2022→2023 +246 (104,349)
2023→2024 +372 (104,721)
2024→2025 −52 (104,669)

Fond du Lac County in Wisconsin. Boundaries: Census Bureau 2024.

Counts, ACS 2020-2024 5-year estimates, with the change from 2015-2019
Measure	Fond du Lac County	Wisconsin	Change since 2015-2019
Total population	104,137	5,914,872	+1,540
Households	43,243±463	2,479,480	+1,701
Average household size	2.33±0.03	2.33	−0.06
Housing units	46,094±72	2,778,572	+888

Fond du Lac County's population since 2000

From 97,296 in 2000 to 104,669 in 2025: up 7.6%. The 2000, 2010 and 2020 figures are census counts. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.

2000 Census 97,296
2005 (estimate) 99,297
2010 Census 101,633
2015 (estimate) 101,970
2020 Census 104,154
2025 (estimate) 104,669

Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); PEP Vintage 2025 (CO-EST2025); 2020 Census · Check it at data.census.gov

What cities and towns are in Fond du Lac County?

Fond du Lac County holds 38 places: 13 cities, villages and boroughs (incorporated places), 21 towns and townships (county subdivisions with their own government) and 4 census-designated places. The largest is Fond du Lac with 44,541 residents (2025 estimate). Places that cross a county line are listed with the share of their 2020 residents who live in this county.

Places in Fond du Lac County, ACS 2020-2024 5-year estimates. Ring: estimate with a coefficient of variation over 40%.

Fond du Lac	city	44,678	44,494±31	$62,260	$173,700	12.4%	100%
Ripon	city	7,863	7,772±26	$54,763	$174,900	12.8%	100%
North Fond du Lac	village	5,378	5,392±15	$62,832	$155,100	12.3%	100%
Taycheedah (town)	town	4,554	4,609±17	$105,690	$354,000	3.1%	100%
Fond du Lac (town)	town	3,687	3,713±21	$106,179	$341,200	4.7%	100%
Waupun	city	11,344	11,174±35	$65,625	$188,600	16.6%	31%
Empire (town)	town	2,774	2,751±52	$125,185	$378,600	2.0%	100%
Friendship (town)	town	2,748	2,763±21	$70,272	$236,100	1.4%	100%
Auburn (town), Fond du Lac County	town	2,360	2,292±285	$114,167	$337,200	5.1%	100%
Campbellsport	village	1,907	1,973±301	$80,040	$221,600	11.3%	100%
Osceola (town), Fond du Lac County	town	1,836	1,820±250	$102,500	$365,700	8.4%	100%
Lamartine (town)	town	1,747	1,681±226	$95,227	$260,400	6.9%	100%
Ashford (town)	town	1,722	1,744±259	$90,958	$299,700	2.5%	100%
Byron (town), Fond du Lac County	town	1,677	1,759±229	$105,268	$307,400	3.2%	100%
St. PeterGEOID 5571050	CDP	1,642	1,413±316	$137,604	$359,800	1.1%	100%
Calumet (town)	town	1,412	1,261±153	$81,486	$258,900	4.4%	100%
Eldorado (town)	town	1,399	1,436±174	$105,078	$248,900	3.2%	100%
Waupun (town)	town	1,373	1,318±258	$112,750	$324,600	2.5%	100%
Ripon (town)	town	1,314	1,370±242	$91,719	$247,300	13.0%	100%
Marshfield (town), Fond du Lac County	town	1,123	1,055±117	$98,750	$301,400	9.8%	100%
Alto (town)	town	1,055	1,064±145	$106,154	$250,500	1.0%	100%
Oakfield	village	1,052	1,182±188	$91,172	$240,700	9.0%	100%
Rosendale	village	1,039	853±133	$95,893	$261,300	6.7%	100%
Eden (town), Fond du Lac County	town	1,000	1,109±183	$110,000	$328,700	1.6%	100%
Forest (town), Fond du Lac County	town	975	1,295±297	$112,904	$244,300	2.9%	100%
Eden	village	884	732±151	$69,167	$163,100	10.4%	100%
Brandon	village	882	913±181	$87,813	$168,500	8.5%	100%
Rosendale (town)	town	738	696±130	$91,667	$277,300	1.4%	100%
Metomen (town)	town	689	599±85	$109,000	$274,500	1.2%	100%
Oakfield (town)	town	681	675±142	$115,313	$286,500	1.6%	100%
Springvale (town), Fond du Lac County	town	675	824±179	$101,458	$245,300	4.0%	100%
TaycheedahGEOID 5579100	CDP	643	801±286	$111,747	$340,900	0.0%	100%
Mount Calvary	village	548	642±160	$82,212	$231,500	5.3%	100%
St. Cloud	village	489	454±77	$100,357	$194,600	2.0%	100%
Fairwater	village	346	350±87	$71,250	$145,800	18.9%	100%
Van DyneGEOID 5582450	CDP	292	752±357	$130,206	$334,300	0.0%	100%
AltoGEOID 5501500	CDP	166	122±39	$86,667	$169,600	1.7%	100%
Kewaskum	village	4,309	4,461±16	$94,141	$288,800	10.8%	0%

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 place-by-county parts · Check it at data.census.gov

Who lives in Fond du Lac County?

The median resident of Fond du Lac County is 41.9 years old; 21.1% are under 18 and 19.8% are 65 or older. The largest group is non-Hispanic white residents at 86.0%, then Hispanic or Latino residents (of any race) at 6.8%. 3.7% of residents were born outside the United States.

Age, origin and education, ACS 2020-2024 5-year estimates. Race groups are non-Hispanic; Hispanic includes any race.
Measure	Fond du Lac County	Wisconsin	Change since 2015-2019
Median age	41.9±0.3	40.2	no clear change
Under 18 years	21.1%	21.4%	–
65 years and over	19.8%±0.1 pts	18.5%	–
Hispanic or Latino (any race)	6.8%	8.0%	+1.6 pts
White alone, not Hispanic	86.0%±0.3 pts	78.6%	−3.6 pts
Black or African American alone, not Hispanic	1.7%±0.3 pts	5.9%	no clear change
Asian alone, not Hispanic	1.8%±0.1 pts	2.9%	+0.6 pts
American Indian and Alaska Native alone, not Hispanic	0.1%±0.1 pts	0.5%	–
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0.0%±0.1 pts	0.0%	–
Two or more races, not Hispanic	3.0%±0.3 pts	3.7%	–
Some other race alone, not Hispanic	0.5%±0.3 pts	0.3%	–
Born outside the United States	3.7%±0.6 pts	5.2%	no clear change
Speak a language other than English at home (age 5+)	6.0%±0.6 pts	9.0%	–
Civilian veterans (age 18+)	7.1%±0.7 pts	6.2%	–
With a disability	12.3%±0.9 pts	12.3%	–
No health insurance coverage	4.1%±0.5 pts	5.2%	no clear change
High school graduate or higher (age 25+)	93.1%±0.7 pts	93.6%	–
Bachelor's degree or higher (age 25+)	22.3%±1.1 pts	33.4%	no clear change
Graduate or professional degree (age 25+)	7.1%±0.7 pts	11.4%	–
Moved from another state in the past year	0.9%±0.2 pts	2.0%	–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov

What do households in Fond du Lac County earn?

Half of Fond du Lac County's 43,243 households earn less than $74,275 a year (±$2,612), against $77,485 in Wisconsin. In 2015-2019 it was $76,784 in 2024 dollars; the margins of error cannot tell the two periods apart. 9.2% of residents live below the poverty line.

Income and poverty in 2024 dollars, ACS 2020-2024 5-year estimates
Measure	Fond du Lac County	Wisconsin	Change since 2015-2019
Median household income	$74,275±$2,612	$77,485	no clear change
Mean household income	$92,084±$2,536	$101,466	–
Per capita income	$39,105±$967	$43,373	no clear change
People below the poverty line	9.2%±1.0 pts	10.6%	no clear change
Children under 18 below the poverty line	12.5%±2.6 pts	12.8%	no clear change
Households receiving SNAP	9.5%±1.1 pts	11.1%	–
Households with a broadband subscription	90.7%±1.0 pts	90.3%	–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov

What does housing cost in Fond du Lac County?

Owners occupy 70.7% of Fond du Lac County's occupied homes and renters 29.3%. The median owner-occupied home is valued at $222,800 by its owner (±$5,121). The median renter pays $960 a month including utilities, and 32.3% of renters pay 35% or more of their income on rent.

Housing, ACS 2020-2024 5-year estimates
Measure	Fond du Lac County	Wisconsin	Change since 2015-2019
Median home value (owner-occupied)	$222,800±$5,121	$266,500	+$28,597
Median gross rent	$960±$28	$1,087	+$41
Renters paying 35% or more of income on rent	32.3%±2.9 pts	35.0%	no clear change
Median monthly owner costs, with a mortgage	$1,502±$40	$1,689	–
Owner-occupied homes	70.7%±1.6 pts	67.8%	no clear change
Housing units	46,094±72	2,778,572	+888
Homeowner vacancy rate	0.3%±0.2 pts	0.5%	–
Rental vacancy rate	5.2%±2.4 pts	4.5%	–
Single-family detached homes	70.0%±1.4 pts	66.2%	–
Mobile homes	3.7%±0.5 pts	3.1%	–
Built 2020 or later	0.6%±0.2 pts	1.4%	–
Built 1939 or earlier	25.2%±1.3 pts	17.8%	–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov

How many new homes is Fond du Lac County building?

Builders took permits for 190 new housing units across Fond du Lac County in 2025 (172 single-family), 1.8 per 1,000 residents.

2019 255 units
2020 148 units
2021 235 units
2022 142 units
2023 133 units
2024 183 units
2025 190 units

Source: Building Permits Survey, annual county files 2019-2025, U.S. Census Bureau · Census Building Permits Survey

How do people in Fond du Lac County get to work?

78.5% of Fond du Lac County's workers drive alone and 9.0% work from home. The average trip to work takes 21.2 minutes. The unemployment rate in 2020-2024 averaged 3.2%.

Work and commuting, ACS 2020-2024 5-year estimates
Measure	Fond du Lac County	Wisconsin	Change since 2015-2019
In the labor force (age 16+)	64.3%±1.0 pts	65.3%	–
Unemployment rate	3.2%±0.7 pts	3.2%	no clear change
Drove alone to work	78.5%±1.3 pts	74.4%	–
Carpooled	8.4%±1.0 pts	7.3%	–
Public transportation	0.1%±0.1 pts	1.1%	–
Walked	2.5%±0.5 pts	2.6%	–
Worked from home	9.0%±1.0 pts	13.1%	+4.8 pts
Mean travel time to work	21.2 min±0.6	22.2 min	+0.8 min

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov

What are Fond du Lac County's census tracts?

Fond du Lac County is divided into 23 census tracts. Among those with a reliable estimate, median household income runs from $32,750 (Tract 405) to $114,886 (Tract 420.01).

All 23 census tracts of Fond du Lac County, with their figures

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov

How does Fond du Lac County compare with Wisconsin's other counties?

Fond du Lac County's rank among Wisconsin's counties with a reliable estimate (1 = highest)
Measure	Rank
Population	16th of 72
Growth 2020-2025	47th of 72
Residents per square mile	18th of 72
Median household income	34th of 72
Median home value	38th of 72
Median gross rent	26th of 72
Poverty rate	50th of 72
Bachelor's degree or higher	47th of 72
Median age	45th of 72

Every county in Wisconsin

Source: PlainCities ranks from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed

How these figures are made: methodology and release checks · reading a margin of error · every state · corrections

Not on this page: crime, weather and schools for Fond du Lac County are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' school search.