• county
  • FIPS 29115
  • Largest town: Brookfield

Linn County, Missouri

Linn County had 11,910 residents in the Census Vintage 2024 estimate, on 615.6 square miles of land. It ranks 76th of 115 in Missouri by population and 51st by land area.

Population
11,910
#76 of 115 in Missouri · #2,288 in US
Area
615.6 sq mi
#51 of 115 in Missouri · #1,573 in US
Density
19 / sq mi
#84 of 115 in Missouri · #2,271 in US
Median household income
$53,836
#77 of 115 in Missouri · #2,425 in US

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

Linn County within Missouri. Pin: Jefferson City.

Measure from here

Tools and pages that start from Linn County

Linn County population, land area and income

Linn County had 11,910 residents in the Census Vintage 2024 estimate, on 615.6 square miles of land. It ranks 76th of 115 in Missouri by population and 51st by land area. That works out to 19.3 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; Linn County is somewhat smaller.

Its SAIPE 2023 median household income of $53,836 is in the bottom quarter among 3,143 counties with an estimate.

National rank among 3,144

Population

11,910

3144th1st

2288th of 3,144 (US)

Land area

616 sq mi

3144th1st

1573rd of 3,144 (US)

Density

19.3 / sq mi

3144th1st

2271st of 3,144 (US)

Median household income

$53,836

3143rd1st

2425th of 3,143 (US)

Rank within Missouri (115)

Population

11,910

115th1st

76th of 115 (MO)

Land area

616 sq mi

115th1st

51st of 115 (MO)

Density

19.3 / sq mi

115th1st

84th of 115 (MO)

Median household income

$53,836

115th1st

77th of 115 (MO)

How Linn County's population changed since 2020

Linn County gained 53 residents between the July 2020 and July 2024 estimates, a rise of 0.4%. That ranks 73rd 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, Linn County recorded 560 births and 759 deaths, a natural change of -199. Net international migration added -2 and net domestic migration, people moving to or from other US counties, came to +239. The largest single component was domestic migration, which added 239 people.

11.9k202011.8k202111.8k202211.8k202311.9k2024
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
560
Deaths
759
Net international migration
-2
Net domestic migration
+239
Change, July 2023 to July 2024
+102

Where Linn County is

The Census internal point of Linn County is at 39.864400, -93.108000. 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 Linn 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: Linn County internal point. Dark pin: Jefferson City.

Internal point

Decimal
39.864400, -93.108000
DMS
39°51'51.84"N 93°06'28.80"W
UTM
15N 490762.9E 4412712.7N
Geohash
9zjfc30ff
Plus code
86F8VV7R+QR

Towns in Linn County

2 incorporated places of 1,000+ people have residents in Linn County, 6,236 people together, or 52% of the county. Each figure counts only the part of the town inside Linn County; towns marked "part" extend into another county. The largest is Brookfield with 4,110.

  1. 01Brookfield4,110
  2. 02Marceline (part)2,126
Census Vintage 2024 subcounty estimates, county parts of incorporated places (SUMLEV 157).

Counties bordering Linn County

The Census 2024 county adjacency file lists 6 neighbors for Linn County. The most populous is Adair County, MO, with 25,660 residents. Distances run between Census internal points in a straight line.

Distance to Jefferson City and the nearest big city

Jefferson City is 101.9 miles SSE of Linn County's internal point in a straight line. The nearest place of 100,000 or more is Columbia, MO (population 130,900), 75.9 miles away. The nearest place of 10,000 or more is Kirksville, MO (population 17,841), 36.5 miles away.

Linn County FIPS code

The FIPS code of Linn County is 29115: state code 29 for Missouri plus county code 115. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $53,836.

Questions people ask

What is the population of Linn County, Missouri?

The Census Vintage 2024 estimate for July 1, 2024 is 11,910. That is up 53 people (0.4%) from the July 2020 estimate of 11,857.

What is the FIPS code of Linn County?

29115. The first two digits (29) are Missouri; the last three (115) identify the county.

What is the largest town in Linn County?

Brookfield, with 4,110 residents inside Linn County in 2024.

Which counties border Linn County?

6 county-equivalents border it in the Census 2024 adjacency file: Adair County, MO; Macon County, MO; Livingston County, MO; Grundy County, MO; Chariton County, MO; Sullivan 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.