• county
  • FIPS 29093
  • Largest town: Ironton

Iron County, Missouri

Iron County had 9,420 residents in the Census Vintage 2024 estimate, on 550.3 square miles of land. It ranks 89th of 115 in Missouri by population and 66th by land area.

Population
9,420
#89 of 115 in Missouri · #2,456 in US
Area
550.3 sq mi
#66 of 115 in Missouri · #1,898 in US
Density
17 / sq mi
#87 of 115 in Missouri · #2,329 in US
Median household income
$48,241
#101 of 115 in Missouri · #2,817 in US

Census Vintage 2024 estimates · SAIPE 2023 income · 2024 Gazetteer land area

Iron County within Missouri. Pin: Jefferson City.

Measure from here

Tools and pages that start from Iron County

Iron County population, land area and income

Iron County had 9,420 residents in the Census Vintage 2024 estimate, on 550.3 square miles of land. It ranks 89th of 115 in Missouri by population and 66th by land area. That works out to 17.1 people per square mile, below the US average of 96.3, and below the national county median.

The median county-equivalent in Missouri has 19,100 residents, so Iron County has 49% of the typical county's population.

Its SAIPE 2023 median household income of $48,241 is in the bottom quarter among 3,143 counties with an estimate.

National rank among 3,144

Population

9,420

3144th1st

2456th of 3,144 (US)

Land area

550 sq mi

3144th1st

1898th of 3,144 (US)

Density

17.1 / sq mi

3144th1st

2329th of 3,144 (US)

Median household income

$48,241

3143rd1st

2817th of 3,143 (US)

Rank within Missouri (115)

Population

9,420

115th1st

89th of 115 (MO)

Land area

550 sq mi

115th1st

66th of 115 (MO)

Density

17.1 / sq mi

115th1st

87th of 115 (MO)

Median household income

$48,241

115th1st

101st of 115 (MO)

How Iron County's population changed since 2020

Iron County lost 93 residents between the July 2020 and July 2024 estimates, a drop of 1.0%. That ranks 94th of 115 in Missouri for growth. The median Missouri county changed by +1.4%, and the state as a whole by +1.5%.

Since the April 2020 estimates base, Iron County recorded 371 births and 777 deaths, a natural change of -406. Net international migration added +41 and net domestic migration, people moving to or from other US counties, came to +247. The largest single component was natural change, which removed 406 people.

9,51320209,43120219,41120229,45420239,4202024
Census Vintage 2024 county estimates for July 1 of each year. The axis starts above zero so year-to-year changes are visible.

Components of change, April 2020 to July 2024

Births
371
Deaths
777
Net international migration
+41
Net domestic migration
+247
Change, July 2023 to July 2024
-34

Where Iron County is

The Census internal point of Iron County is at 37.626000, -90.699600. It sits in UTM zone 15N. The map shades Missouri's 115 county-equivalents by population change from 2020 to 2024, darker for faster growth, with Iron County outlined. Dots are towns of 1,000+ people with residents in it.

Pettis County: +1.8%Henry County: +2.7%Texas County: +5.7%Madison County: +1.8%St. Louis city: -6.9%Cole County: +1.3%Washington County: +0.6%Macon County: -0.1%Barton County: +0.8%Grundy County: +0.1%Cedar County: +5.7%Randolph County: -1.6%Ray County: +0.3%Caldwell County: +2.0%Benton County: +6.1%Douglas County: +5.9%Shannon County: +3.4%Dade County: +0.5%Wright County: +7.1%Gentry County: +2.6%Lawrence County: +3.0%Cooper County: +2.9%Hickory County: +5.6%Moniteau County: +0.5%Dent County: +2.3%Monroe County: +2.3%Maries County: +0.7%Bollinger County: +0.5%Clinton County: +2.4%Knox County: +0.0%Webster County: +7.8%Harrison County: +0.4%Pulaski County: -0.1%Adair County: +1.5%Warren County: +7.7%Daviess County: +1.3%Audrain County: -1.9%Howard County: -0.1%Linn County: +0.4%Saline County: -0.1%Miller County: +3.6%Dallas County: +4.3%Morgan County: +6.7%New Madrid County: -6.8%Newton County: +4.8%Oregon County: +1.0%Franklin County: +2.3%Greene County: +2.9%Ralls County: +1.4%Lafayette County: +1.4%Livingston County: +4.8%McDonald County: +3.3%Barry County: +3.1%Cape Girardeau County: +2.2%Carroll County: -0.6%Christian County: +7.6%Vernon County: +0.6%Carter County: +3.0%Andrew County: -0.1%Jasper County: +2.9%Worth County: -4.9%Lincoln County: +10.1%Marion County: -0.2%Holt County: +1.2%Howell County: +2.4%St. Francois County: +1.6%Chariton County: +0.1%Butler County: -0.6%Iron County: -1.0%Perry County: +0.7%Cass County: +5.3%St. Louis County: -1.0%Dunklin County: -4.3%Wayne County: -1.1%Ozark County: +6.7%Laclede County: +1.9%Reynolds County: -2.5%Lewis County: -1.9%Taney County: +1.2%Ripley County: +0.4%Ste. Genevieve County: +0.4%Scotland County: -0.1%Putnam County: -3.1%Schuyler County: +1.5%Shelby County: -2.8%Boone County: +4.4%Mercer County: -1.7%Platte County: +5.6%Camden County: +3.1%Bates County: +2.1%Johnson County: +3.4%Sullivan County: -3.8%Atchison County: -3.1%Scott County: -0.2%Montgomery County: +2.0%Jefferson County: +2.2%Clark County: -0.5%Callaway County: +1.8%St. Clair County: +5.4%Buchanan County: -1.1%Pemiscot County: -7.6%Polk County: +4.6%Phelps County: +2.5%Stone County: +4.6%Osage County: +1.7%Clay County: +3.6%Nodaway County: -2.4%Crawford County: -1.0%Jackson County: +1.4%St. Charles County: +4.3%Mississippi County: -3.1%Pike County: +3.1%Stoddard County: -0.7%Gasconade County: -0.7%DeKalb County: -14.8%
Change 2020 to 2024
  1. < -0.7%
  2. < +0.5%
  3. < +2.0%
  4. < +3.6%
  5. ≥ +3.6%
no data

Orange pin: Iron County internal point. Dark pin: Jefferson City.

Internal point

Decimal
37.626000, -90.699600
DMS
37°37'33.60"N 90°41'58.56"W
UTM
15N 703004.4E 4166809.0N
Geohash
9yxw01de6
Plus code
869FJ8G2+C5

Towns in Iron County

One incorporated place of 1,000+ people has residents in Iron County, 1,443 people together, or 15% of the county. Each figure counts only the part of the town inside Iron County; towns marked "part" extend into another county. The largest is Ironton with 1,443.

  1. 01Ironton1,443
Census Vintage 2024 subcounty estimates, county parts of incorporated places (SUMLEV 157).

Counties bordering Iron County

The Census 2024 county adjacency file lists 7 neighbors for Iron County. The most populous is St. Francois County, MO, with 67,503 residents. Distances run between Census internal points in a straight line.

Distance to Jefferson City and the nearest big city

Jefferson City is 103.7 miles NW of Iron County's internal point in a straight line. The nearest place of 100,000 or more is St. Louis, MO (population 279,695), 74.0 miles away. The nearest place of 10,000 or more is Farmington, MO (population 19,165), 18.4 miles away.

Iron County FIPS code

The FIPS code of Iron County is 29093: state code 29 for Missouri plus county code 093. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $48,241.

Questions people ask

What is the population of Iron County, Missouri?

The Census Vintage 2024 estimate for July 1, 2024 is 9,420. That is down 93 people (1.0%) from the July 2020 estimate of 9,513.

What is the FIPS code of Iron County?

29093. The first two digits (29) are Missouri; the last three (093) identify the county.

What is the largest town in Iron County?

Ironton, with 1,443 residents inside Iron County in 2024.

Which counties border Iron County?

7 county-equivalents border it in the Census 2024 adjacency file: St. Francois County, MO; Washington County, MO; Crawford County, MO; Dent County, MO; Madison County, MO; Wayne County, MO; Reynolds County, MO.

Sources and data as of

Data as of: Census Vintage 2024 population estimates, 2024 Gazetteer land area and internal points, SAIPE 2023 median household income.

  1. 01Census Vintage 2024 county population estimates
  2. 02Census 2024 Gazetteer, counties
  3. 03Census SAIPE 2023 state and county estimates
  4. 04Census Vintage 2024 subcounty population estimates
  5. 05Census 2024 county adjacency file
  6. 06Census 2024 cartographic boundary file, counties (1:5,000,000)

How every number is computed: methodology. Spotted a wrong figure? Report an error.