Demographics of Lafayette County, Missouri

Lafayette County, Missouri had 33,531 people on July 1, 2025, by the Census Bureau’s estimate: +472 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

33,531
Population: July 1, 2025, Vintage 2025 estimate.; +1.4%
Change since July 2020: +472 people.; 40.9 ±0.5
Median age: ACS 2020–⁠2024.; $80,612 ±$6,979
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, Missouri's population grew 1.4% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Lafayette County, Missouri'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, Missouri's population grew 1.4% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Lafayette County, Missouri'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	33,059	100.0	100.0
2021	32,852	99.4	100.2
2022	32,944	99.7	100.7
2023	33,216	100.5	101.6
2024	33,432	101.1	102.5
2025	33,531	101.4	103.1

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Population of Lafayette County, Missouri on July 1 of each year, Vintage 2025
July 1	Population	Change	Births less deaths	From abroad	From elsewhere in the country
2020	33,059	+70	+4	0	+59
2021	32,852	−207	−111	+1	−115
2022	32,944	+92	−144	−2	+253
2023	33,216	+272	−67	+37	+302
2024	33,432	+216	−75	+54	+241
2025	33,531	+99	−91	+33	+159

Age, 2020–2024

The median age is 40.9 ±0.5: for men 40.0 ±0.9 and for women 42.1 ±1.1. 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	Missouri	United States
Under 5	1,780 ±72	5.4% ±0.2	5.8% ±<0.1	5.6% ±<0.1
5 to 17	5,827 ±386	17.6% ±1.2	16.6% ±0.1	16.3% ±<0.1
18 to 24	2,301 ±244	6.9% ±0.7	9.1% ±0.1	9.1% ±<0.1
25 to 44	8,222 ±435	24.8% ±1.3	26.0% ±0.1	26.9% ±<0.1
45 to 64	8,592 ±361	25.9% ±1.1	24.6% ±0.1	24.8% ±<0.1
65 and over	6,393 ±411	19.3% ±1.2	17.9% ±0.1	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $80,612 ±$6,979, and income per person $36,530 ±$1,601, in 2024 dollars. The median is $70,702 ±$325 in Missouri 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	Missouri	United States
Under $25,000	1,518 ±259	12.1% ±2.0	15.8% ±0.2	14.6% ±<0.1
$25,000 to $49,999	2,277 ±345	18.1% ±2.7	19.6% ±0.2	16.7% ±<0.1
$50,000 to $74,999	2,123 ±332	16.9% ±2.6	17.4% ±0.2	15.5% ±<0.1
$75,000 to $99,999	1,678 ±267	13.3% ±2.1	13.2% ±0.2	12.6% ±<0.1
$100,000 to $149,999	2,994 ±452	23.8% ±3.5	17.1% ±0.2	17.5% ±<0.1
$150,000 to $199,999	1,034 ±211	8.2% ±1.7	8.2% ±0.1	9.6% ±<0.1
$200,000 or more	952 ±267	7.6% ±2.1	8.7% ±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	Missouri	United States
All ages	3,031 ±547	9.3% ±1.7	12.6% ±0.2	12.5% ±0.1
Under 18	914 ±243	12.2% ±3.1	15.8% ±0.4	16.1% ±0.1
18 to 59	1,340 ±277	7.9% ±1.6	12.0% ±0.2	11.6% ±0.1
60 and over	777 ±187	9.6% ±2.3	10.9% ±0.2	11.0% ±<0.1

Housing, 2020–2024

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Housing in Lafayette County, ACS 2020–2024
Measure	Lafayette County	Missouri	United States
Housing units	14,221 ±60	2,825,287 ±1,043	143,775,355 ±10,234
Occupied	88.4% ±2.5	88.8% ±0.2	89.9% ±0.1
Vacant	11.6% ±2.4	11.2% ±0.2	10.1% ±0.1
Owner occupied	75.7% ±2.2	68.1% ±0.3	65.2% ±0.3
Renter occupied	24.3% ±2.9	31.9% ±0.2	34.8% ±0.1
Median home value	$216,500 ±$12,051	$230,300 ±$880	$332,700 ±$236
Median gross rent	$928 ±$41	$1,033 ±$6	$1,413 ±$2
Median year built	1975 ±3	1978 ±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	Missouri	United States
Hispanic or Latino	1,155 ±0	3.5% ±<0.1	5.2% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	29,712 ±197	89.7% ±0.6	76.3% ±0.1	57.4% ±<0.1
Black alone, not Hispanic	514 ±145	1.6% ±0.4	10.9% ±0.1	11.9% ±<0.1
Asian alone, not Hispanic	30 to 216	0.1% to 0.7%	2.1% ±<0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	0 to 173	0% to 0.5%	0.2% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0 to 26	0% to 0.1%	0.1% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	7 to 387	< 0.1% to 1.2%	0.4% ±<0.1	0.6% ±<0.1
Two or more races, not Hispanic	1,334 ±218	4.0% ±0.7	4.8% ±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	Missouri	United States
Born in the state	25,720 ±654	77.7% ±2.0	65.6% ±0.2	57.3% ±<0.1
Born in another state	6,419 ±612	19.4% ±1.8	29.1% ±0.1	26.9% ±<0.1
Born a citizen outside the states	230 ±108	0.7% ±0.3	0.8% ±<0.1	1.7% ±<0.1
Born abroad	746 ±237	2.3% ±0.7	4.5% ±0.1	14.1% ±<0.1
Naturalized citizens	420 ±166	1.3% ±0.5	2.3% ±0.1	7.4% ±<0.1
Not citizens	326 ±146	1.0% ±0.4	2.2% ±0.1	6.8% ±<0.1

Lafayette County among the counties of Missouri

36th of 115 by population, July 2025. Every one is listed on the Missouri page.

Counties of Missouri near Lafayette County in population, July 2025
County	July 2025	Change since 2020
Warren County	39,016	+9.2%
Scott County	37,975	−0.1%
Laclede County	36,943	+2.5%
Barry County	36,200	+4.8%
Polk County	33,604	+6.3%
Lafayette County	33,531	+1.4%
Stone County	32,503	+4.1%
Marion County	28,525	+0.2%
Stoddard County	28,284	−1.3%
Dunklin County	26,855	−4.8%
Texas County	25,994	+6.9%

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