Demographics of Iron County, Missouri

Iron County, Missouri had 9,318 people on July 1, 2025, by the Census Bureau’s estimate: −194 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.

Iron County, in four figures

9,318
Population: July 1, 2025, Vintage 2025 estimate.; −2.0%
Change since July 2020: −194 people.; 44.8 ±0.3
Median age: ACS 2020–⁠2024.; $48,850 ±$4,711
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.

Iron County, Missouri's population shrank 2.0% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Iron 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

Iron County, Missouri's population shrank 2.0% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Iron 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	9,512	100.0	100.0
2021	9,433	99.2	100.2
2022	9,411	98.9	100.7
2023	9,458	99.4	101.6
2024	9,413	99.0	102.5
2025	9,318	98.0	103.1

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Population of Iron 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	9,512	−22	−29	0	+5
2021	9,433	−79	−87	+2	−2
2022	9,411	−22	−112	+6	+88
2023	9,458	+47	−82	+10	+120
2024	9,413	−45	−94	+14	+35
2025	9,318	−95	−102	+10	−4

Age, 2020–2024

The median age is 44.8 ±0.3: for men 44.4 ±0.7 and for women 45.0 ±0.5. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Iron County by age, ACS 2020–2024
Age	People	Share	Missouri	United States
Under 5	470 ±24	5.0% ±0.2	5.8% ±<0.1	5.6% ±<0.1
5 to 17	1,513 ±108	16.0% ±1.1	16.6% ±0.1	16.3% ±<0.1
18 to 24	624 ±78	6.6% ±0.8	9.1% ±0.1	9.1% ±<0.1
25 to 44	2,145 ±134	22.7% ±1.4	26.0% ±0.1	26.9% ±<0.1
45 to 64	2,591 ±137	27.4% ±1.5	24.6% ±0.1	24.8% ±<0.1
65 and over	2,103 ±177	22.3% ±1.9	17.9% ±0.1	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $48,850 ±$4,711, and income per person $28,180 ±$1,872, 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 Iron County by income, ACS 2020–2024
Household income	Households	Share	Missouri	United States
Under $25,000	985 ±150	25.5% ±3.8	15.8% ±0.2	14.6% ±<0.1
$25,000 to $49,999	980 ±159	25.4% ±4.0	19.6% ±0.2	16.7% ±<0.1
$50,000 to $74,999	507 ±101	13.1% ±2.6	17.4% ±0.2	15.5% ±<0.1
$75,000 to $99,999	547 ±115	14.2% ±2.9	13.2% ±0.2	12.6% ±<0.1
$100,000 to $149,999	603 ±126	15.6% ±3.2	17.1% ±0.2	17.5% ±<0.1
$150,000 to $199,999	158 ±55	4.1% ±1.4	8.2% ±0.1	9.6% ±<0.1
$200,000 or more	81 ±36	2.1% ±0.9	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 Iron County by age, ACS 2020–2024
Age	Below poverty	Rate	Missouri	United States
All ages	1,753 ±327	19.3% ±3.6	12.6% ±0.2	12.5% ±0.1
Under 18	478 ±117	24.9% ±5.6	15.8% ±0.4	16.1% ±0.1
18 to 59	858 ±194	18.2% ±4.0	12.0% ±0.2	11.6% ±0.1
60 and over	417 ±105	16.9% ±4.1	10.9% ±0.2	11.0% ±<0.1

Housing, 2020–2024

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Housing in Iron County, ACS 2020–2024
Measure	Iron County	Missouri	United States
Housing units	4,682 ±26	2,825,287 ±1,043	143,775,355 ±10,234
Occupied	82.5% ±2.9	88.8% ±0.2	89.9% ±0.1
Vacant	17.5% ±2.9	11.2% ±0.2	10.1% ±0.1
Owner occupied	75.1% ±3.4	68.1% ±0.3	65.2% ±0.3
Renter occupied	24.9% ±3.5	31.9% ±0.2	34.8% ±0.1
Median home value	$119,300 ±$6,146	$230,300 ±$880	$332,700 ±$236
Median gross rent	$664 ±$52	$1,033 ±$6	$1,413 ±$2
Median year built	1974 ±2	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 Iron County by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	Missouri	United States
Hispanic or Latino	210 ±0	2.2% ±<0.1	5.2% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	8,662 ±68	91.7% ±0.7	76.3% ±0.1	57.4% ±<0.1
Black alone, not Hispanic	7 to 89	0.1% to 0.9%	10.9% ±0.1	11.9% ±<0.1
Asian alone, not Hispanic	106 ±49	1.1% ±0.5	2.1% ±<0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	5 to 35	0.1% to 0.4%	0.2% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0 to 24	0% to 0.3%	0.1% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	0 to 23	0% to 0.2%	0.4% ±<0.1	0.6% ±<0.1
Two or more races, not Hispanic	380 ±81	4.0% ±0.9	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 Iron County by place of birth and citizenship, ACS 2020–2024
Born	People	Share	Missouri	United States
Born in the state	7,431 ±182	78.7% ±1.9	65.6% ±0.2	57.3% ±<0.1
Born in another state	1,814 ±177	19.2% ±1.9	29.1% ±0.1	26.9% ±<0.1
Born a citizen outside the states	14 to 60	0.1% to 0.6%	0.8% ±<0.1	1.7% ±<0.1
Born abroad	164 ±58	1.7% ±0.6	4.5% ±0.1	14.1% ±<0.1
Naturalized citizens	110 ±53	1.2% ±0.6	2.3% ±0.1	7.4% ±<0.1
Not citizens	18 to 90	0.2% to 1.0%	2.2% ±0.1	6.8% ±<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%.

Iron County among the counties of Missouri

89th of 115 by population, July 2025. Every one is listed on the Missouri page.

Counties of Missouri near Iron County in population, July 2025
County	July 2025	Change since 2020
Howard County	10,180	+0.3%
St. Clair County	9,976	+6.7%
Lewis County	9,879	−1.6%
DeKalb County	9,795	−15.6%
Grundy County	9,744	−0.2%
Iron County	9,318	−2.0%
Ozark County	9,172	+7.7%
Hickory County	9,044	+8.9%
Caldwell County	9,012	+2.1%
Monroe County	8,959	+3.1%
Oregon County	8,709	+1.2%

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