• county
  • FIPS 29139
  • Largest town: Montgomery City

Montgomery County, Missouri

Montgomery County had 11,511 residents in the Census Vintage 2024 estimate, on 535.1 square miles of land. It ranks 79th of 115 in Missouri by population and 72nd by land area.

Population
11,511
#79 of 115 in Missouri · #2,316 in US
Area
535.1 sq mi
#72 of 115 in Missouri · #1,953 in US
Density
22 / sq mi
#78 of 115 in Missouri · #2,190 in US
Median household income
$57,686
#49 of 115 in Missouri · #2,065 in US

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

Montgomery County within Missouri. Pin: Jefferson City.

Measure from here

Tools and pages that start from Montgomery County

Montgomery County population, land area and income

Montgomery County had 11,511 residents in the Census Vintage 2024 estimate, on 535.1 square miles of land. It ranks 79th of 115 in Missouri by population and 72nd by land area. That works out to 21.5 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; Montgomery County is somewhat smaller.

Its SAIPE 2023 median household income of $57,686 is below the national county median among 3,143 counties with an estimate.

National rank among 3,144

Population

11,511

3144th1st

2316th of 3,144 (US)

Land area

535 sq mi

3144th1st

1953rd of 3,144 (US)

Density

21.5 / sq mi

3144th1st

2190th of 3,144 (US)

Median household income

$57,686

3143rd1st

2065th of 3,143 (US)

Rank within Missouri (115)

Population

11,511

115th1st

79th of 115 (MO)

Land area

535 sq mi

115th1st

72nd of 115 (MO)

Density

21.5 / sq mi

115th1st

78th of 115 (MO)

Median household income

$57,686

115th1st

49th of 115 (MO)

How Montgomery County's population changed since 2020

Montgomery County gained 225 residents between the July 2020 and July 2024 estimates, a rise of 2.0%. That ranks 48th 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, Montgomery County recorded 511 births and 786 deaths, a natural change of -275. Net international migration added +0 and net domestic migration, people moving to or from other US counties, came to +475. The largest single component was domestic migration, which added 475 people.

11.3k202011.4k202111.5k202211.4k202311.5k2024
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
511
Deaths
786
Net international migration
+0
Net domestic migration
+475
Change, July 2023 to July 2024
+81

Where Montgomery County is

The Census internal point of Montgomery County is at 38.935200, -91.465400. 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 Montgomery 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: Montgomery County internal point. Dark pin: Jefferson City.

Internal point

Decimal
38.935200, -91.465400
DMS
38°56'6.72"N 91°27'55.44"W
UTM
15N 633008.2E 4310705.2N
Geohash
9yyvqxuvv
Plus code
86CCWGPM+3R

Towns in Montgomery County

2 incorporated places of 1,000+ people have residents in Montgomery County, 3,798 people together, or 33% of the county. Each figure counts only the part of the town inside Montgomery County; towns marked "part" extend into another county. The largest is Montgomery City with 2,792.

  1. 01Montgomery City2,792
  2. 02Wellsville1,006
Census Vintage 2024 subcounty estimates, county parts of incorporated places (SUMLEV 157).

Counties bordering Montgomery County

The Census 2024 county adjacency file lists 7 neighbors for Montgomery County. The most populous is Lincoln County, MO, with 65,888 residents. Distances run between Census internal points in a straight line.

Distance to Jefferson City and the nearest big city

Jefferson City is 45.4 miles WSW of Montgomery County's internal point in a straight line. The nearest place of 100,000 or more is Columbia, MO (population 130,900), 46.3 miles away. The nearest place of 10,000 or more is Fulton, MO (population 12,573), 26.7 miles away.

Montgomery County FIPS code

The FIPS code of Montgomery County is 29139: state code 29 for Missouri plus county code 139. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $57,686.

Questions people ask

What is the population of Montgomery County, Missouri?

The Census Vintage 2024 estimate for July 1, 2024 is 11,511. That is up 225 people (2.0%) from the July 2020 estimate of 11,286.

What is the FIPS code of Montgomery County?

29139. The first two digits (29) are Missouri; the last three (139) identify the county.

What is the largest town in Montgomery County?

Montgomery City, with 2,792 residents inside Montgomery County in 2024.

Which counties border Montgomery County?

7 county-equivalents border it in the Census 2024 adjacency file: Lincoln County, MO; Callaway County, MO; Warren County, MO; Audrain County, MO; Pike County, MO; Gasconade County, MO; Osage 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.