Demographics of Lafayette County, Wisconsin

Lafayette County, Wisconsin had 17,478 people on July 1, 2025, by the Census Bureau’s estimate: +859 since July 2020. Age, income, poverty, housing and origin below come from the American Community Survey, averaged over 2020–2024, each with its margin of error.

Lafayette County, in four figures

17,478
Population: July 1, 2025, Vintage 2025 estimate.; +5.2%
Change since July 2020: +859 people.; 40.8 ±0.5
Median age: ACS 2020–⁠2024.; $76,462 ±$2,610
Median household income: ACS 2020–⁠2024, in 2024 dollars.

Population, year by year

July 1 estimates from the Census Bureau’s Vintage 2025. Each year's change is births less deaths, net moves from abroad and net moves from elsewhere in the country, with the Bureau's small residual. The 2020 row's components run 3 months, from the April census to July 1.

Lafayette County, Wisconsin's population grew 5.2% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Lafayette County, Wisconsin's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).

U.S. Census Bureau — Census Bureau population estimates — counties and Puerto Rico municipios, with components of change

About this chart

The figures

Lafayette County, Wisconsin's population grew 5.2% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Lafayette County, Wisconsin's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).
July 1	Population	Index	United States
2020	16,619	100.0	100.0
2021	16,834	101.3	100.2
2022	16,957	102.0	100.7
2023	17,067	102.7	101.6
2024	17,347	104.4	102.5
2025	17,478	105.2	103.1

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Population of Lafayette County, Wisconsin on July 1 of each year, Vintage 2025
July 1	Population	Change	Births less deaths	From abroad	From elsewhere in the country
2020	16,619	+8	+23	0	−16
2021	16,834	+215	+92	+5	+105
2022	16,957	+123	+88	+68	−21
2023	17,067	+110	+76	+112	−76
2024	17,347	+280	+108	+161	+13
2025	17,478	+131	+99	+76	−44

Age, 2020–2024

The median age is 40.8 ±0.5: for men 40.1 ±0.7 and for women 41.5 ±0.7. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Lafayette County by age, ACS 2020–2024
Age	People	Share	Wisconsin	United States
Under 5	1,210 ±50	7.1% ±0.3	5.3% ±<0.1	5.6% ±<0.1
5 to 17	3,071 ±140	18.1% ±0.8	16.0% ±0.1	16.3% ±<0.1
18 to 24	1,251 ±75	7.4% ±0.4	9.3% ±0.1	9.1% ±<0.1
25 to 44	3,688 ±137	21.8% ±0.8	25.2% ±0.1	26.9% ±<0.1
45 to 64	4,272 ±138	25.2% ±0.8	25.6% ±0.1	24.8% ±<0.1
65 and over	3,450 ±167	20.4% ±1.0	18.5% ±0.1	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $76,462 ±$2,610, and income per person $37,123 ±$1,107, in 2024 dollars. The median is $77,485 ±$455 in Wisconsin and $80,734 ±$166 in the United States.

Households by income

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Households in Lafayette County by income, ACS 2020–2024
Household income	Households	Share	Wisconsin	United States
Under $25,000	905 ±108	13.4% ±1.6	13.1% ±0.2	14.6% ±<0.1
$25,000 to $49,999	1,268 ±150	18.7% ±2.2	17.9% ±0.2	16.7% ±<0.1
$50,000 to $74,999	1,136 ±118	16.8% ±1.7	17.5% ±0.2	15.5% ±<0.1
$75,000 to $99,999	1,065 ±110	15.7% ±1.6	13.8% ±0.2	12.6% ±<0.1
$100,000 to $149,999	1,385 ±93	20.5% ±1.3	19.1% ±0.2	17.5% ±<0.1
$150,000 to $199,999	607 ±80	9.0% ±1.2	9.4% ±0.1	9.6% ±<0.1
$200,000 or more	397 ±49	5.9% ±0.7	9.2% ±0.1	13.4% ±0.1

Poverty by age

The poverty rate is the share of people whose family income is below the federal threshold for their family’s size, of everyone for whom the Bureau determines it (B17020).

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Poverty rate in Lafayette County by age, ACS 2020–2024
Age	Below poverty	Rate	Wisconsin	United States
All ages	2,002 ±285	11.9% ±1.7	10.6% ±0.1	12.5% ±0.1
Under 18	665 ±132	15.6% ±3.0	12.8% ±0.3	16.1% ±0.1
18 to 59	853 ±151	10.8% ±1.9	10.3% ±0.2	11.6% ±0.1
60 and over	484 ±77	10.3% ±1.6	9.3% ±0.2	11.0% ±<0.1

Housing, 2020–2024

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Housing in Lafayette County, ACS 2020–2024
Measure	Lafayette County	Wisconsin	United States
Housing units	7,234 ±42	2,778,572 ±1,533	143,775,355 ±10,234
Occupied	93.5% ±1.0	89.2% ±0.2	89.9% ±0.1
Vacant	6.5% ±1.1	10.8% ±0.2	10.1% ±0.1
Owner occupied	80.2% ±1.4	67.8% ±0.3	65.2% ±0.3
Renter occupied	19.8% ±1.5	32.2% ±0.2	34.8% ±0.1
Median home value	$194,500 ±$8,765	$266,500 ±$1,051	$332,700 ±$236
Median gross rent	$830 ±$28	$1,087 ±$4	$1,413 ±$2
Median year built	1966 ±3	1975 ±1	1980 ±1

Occupied and vacant are shares of all housing units; owner and renter occupied are shares of occupied units. Value and rent are medians in 2024 dollars.

Origin and place of birth, 2020–2024

Hispanic or Latino origin is not a race in the Census Bureau’s tables. Here the people of Hispanic origin, of any race, are one row, and everyone else is counted by race alone (B03002), so the rows add to the whole.

Hispanic origin and race

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People in Lafayette County by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	Wisconsin	United States
Hispanic or Latino	1,200 ±0	7.1% ±<0.1	8.0% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	15,201 ±51	89.7% ±0.3	78.6% ±0.1	57.4% ±<0.1
Black alone, not Hispanic	62 ±16	0.4% ±0.1	5.9% ±<0.1	11.9% ±<0.1
Asian alone, not Hispanic	90 ±25	0.5% ±0.1	2.9% ±<0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	0 to 32	0% to 0.2%	0.5% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0 to 16	0% to 0.1%	< 0.1% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	20 to 106	0.1% to 0.6%	0.3% ±<0.1	0.6% ±<0.1
Two or more races, not Hispanic	310 ±60	1.8% ±0.4	3.7% ±0.1	4.3% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Place of birth and citizenship

“Born a citizen outside the states” counts people born in Puerto Rico, the island areas, or abroad to American parents. Naturalized citizens and those who are not citizens together make up the people born abroad (B05002).

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People in Lafayette County by place of birth and citizenship, ACS 2020–2024
Born	People	Share	Wisconsin	United States
Born in the state	12,030 ±294	71.0% ±1.7	70.3% ±0.1	57.3% ±<0.1
Born in another state	4,096 ±252	24.2% ±1.5	23.6% ±0.1	26.9% ±<0.1
Born a citizen outside the states	99 ±43	0.6% ±0.3	0.9% ±<0.1	1.7% ±<0.1
Born abroad	717 ±164	4.2% ±1.0	5.2% ±0.1	14.1% ±<0.1
Naturalized citizens	170 ±51	1.0% ±0.3	2.5% ±0.1	7.4% ±<0.1
Not citizens	547 ±179	3.2% ±1.1	2.7% ±0.1	6.8% ±<0.1

Lafayette County among the counties of Wisconsin

57th of 72 by population, July 2025. Every one is listed on the Wisconsin page.

Counties of Wisconsin near Lafayette County in population, July 2025
County	July 2025	Change since 2020
Kewaunee County	20,758	+1.0%
Taylor County	20,118	+0.9%
Langlade County	19,534	+0.4%
Green Lake County	19,305	+1.5%
Sawyer County	18,846	+4.0%
Lafayette County	17,478	+5.2%
Burnett County	17,223	+3.9%
Washburn County	17,087	+2.8%
Richland County	17,036	−1.4%
Bayfield County	16,787	+3.4%
Ashland County	16,203	+1.1%

Elsewhere on the site

Sources

Census Bureau population estimates — counties and Puerto Rico municipios, with components of change — U.S. Census Bureau · U.S. Government work · retrieved September 25, 2026
American Community Survey 5-year estimates — table-based Summary File · U.S. Government work

Data retrieved September 25, 2026