• county
  • FIPS 20125
  • Largest town: Coffeyville

Montgomery County, Kansas

Montgomery County had 30,459 residents in the Census Vintage 2024 estimate, on 643.6 square miles of land. It ranks 19th of 105 in Kansas by population and 76th by land area.

Population
30,459
#19 of 105 in Kansas · #1,429 in US
Area
643.6 sq mi
#76 of 105 in Kansas · #1,479 in US
Density
47 / sq mi
#15 of 105 in Kansas · #1,524 in US
Median household income
$53,379
#96 of 105 in Kansas · #2,451 in US

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

Montgomery County within Kansas. Pin: Topeka.

Montgomery County population, land area and income

Montgomery County had 30,459 residents in the Census Vintage 2024 estimate, on 643.6 square miles of land. It ranks 19th of 105 in Kansas by population and 76th by land area. That works out to 47.3 people per square mile, below the US average of 96.3, and above the national county median.

The median county-equivalent in Kansas has 6,946 residents, so Montgomery County is 4.4 times that size.

Its SAIPE 2023 median household income of $53,379 is in the bottom quarter among 3,143 counties with an estimate.

National rank among 3,144

Population

30,459

3144th1st

1429th of 3,144 (US)

Land area

644 sq mi

3144th1st

1479th of 3,144 (US)

Density

47.3 / sq mi

3144th1st

1524th of 3,144 (US)

Median household income

$53,379

3143rd1st

2451st of 3,143 (US)

Rank within Kansas (105)

Population

30,459

105th1st

19th of 105 (KS)

Land area

644 sq mi

105th1st

76th of 105 (KS)

Density

47.3 / sq mi

105th1st

15th of 105 (KS)

Median household income

$53,379

105th1st

96th of 105 (KS)

How Montgomery County's population changed since 2020

Montgomery County lost 941 residents between the July 2020 and July 2024 estimates, a drop of 3.0%. That ranks 81st of 105 in Kansas for growth. The median Kansas county changed by -1.0%, and the state as a whole by +1.1%.

Since the April 2020 estimates base, Montgomery County recorded 1,427 births and 2,099 deaths, a natural change of -672. Net international migration added +181 and net domestic migration, people moving to or from other US counties, came to -538. The largest single component was natural change, which removed 672 people.

31.4k202031.2k202130.9k202230.8k202330.5k2024
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
1,427
Deaths
2,099
Net international migration
+181
Net domestic migration
-538
Change, July 2023 to July 2024
-297

Where Montgomery County is

The Census internal point of Montgomery County is at 37.189500, -95.742400. It sits in UTM zone 15N. The map shades Kansas's 105 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.

Harper County: -1.0%Phillips County: -4.6%Seward County: -2.7%Grant County: -3.1%Pawnee County: -3.8%Haskell County: -4.5%Ness County: -2.3%Logan County: -1.8%Wichita County: -3.6%Greenwood County: -1.7%Stanton County: -0.7%Edwards County: -5.3%Gray County: +1.6%Franklin County: +1.0%Saline County: -1.5%Allen County: -0.9%Lyon County: +1.3%Cloud County: -3.3%Brown County: -3.6%Rice County: -1.1%Lincoln County: -0.6%Osborne County: -4.0%Rooks County: -2.8%Russell County: -0.8%Jefferson County: +0.0%Jewell County: -1.0%Lane County: -5.6%Sheridan County: -1.9%Gove County: -2.1%Trego County: -1.1%Montgomery County: -3.0%Sumner County: +0.1%Graham County: -1.5%Marion County: -1.0%Washington County: +0.8%Stevens County: -4.0%Kiowa County: -0.7%Mitchell County: +0.4%Cheyenne County: +1.3%Ellis County: +0.2%Rush County: -4.6%Scott County: -4.3%Comanche County: +0.7%Wallace County: -2.6%Nemaha County: -2.0%Linn County: +2.6%Ford County: -0.4%Dickinson County: +1.4%Ellsworth County: -0.9%Labette County: -2.3%Cowley County: -1.0%Neosho County: -2.2%Wilson County: -2.2%Thomas County: -1.7%Greeley County: -9.6%Osage County: -0.0%Finney County: +0.1%Kearny County: -3.8%Kingman County: -6.4%Republic County: -1.3%Ottawa County: +2.1%Smith County: -0.5%Crawford County: -0.1%Elk County: -1.5%Miami County: +4.4%Hodgeman County: -3.7%Morris County: -1.7%Morton County: -8.1%Harvey County: -1.0%Meade County: -4.2%Sedgwick County: +2.1%Geary County: -3.6%Woodson County: +0.4%Bourbon County: +0.6%Chase County: -2.6%Pratt County: -0.0%Reno County: -0.8%Chautauqua County: -1.2%Norton County: -2.1%Marshall County: -0.7%Doniphan County: +1.4%Cherokee County: -0.9%Barton County: -2.3%Riley County: +0.8%Butler County: +2.6%Stafford County: -3.7%Anderson County: +0.9%Sherman County: -1.8%Rawlins County: -5.5%Pottawatomie County: +5.7%McPherson County: +0.5%Coffey County: -0.7%Hamilton County: +0.0%Atchison County: -0.5%Shawnee County: -0.4%Leavenworth County: +3.3%Jackson County: +2.2%Clark County: -5.3%Douglas County: +2.7%Clay County: -1.9%Barber County: -3.2%Johnson County: +3.5%Wabaunsee County: +3.2%Decatur County: -1.1%Wyandotte County: +0.3%
Change 2020 to 2024
  1. < -3.6%
  2. < -1.7%
  3. < -0.7%
  4. < +0.6%
  5. ≥ +0.6%
no data

Orange pin: Montgomery County internal point. Dark pin: Topeka.

Internal point

Decimal
37.189500, -95.742400
DMS
37°11'22.20"N 95°44'32.64"W
UTM
15N 256573.7E 4119417.4N
Geohash
9yegt64s8
Plus code
869657Q5+R2

Towns in Montgomery County

4 incorporated places of 1,000+ people have residents in Montgomery County, 20,672 people together, or 68% 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 Coffeyville with 8,545.

  1. 01Coffeyville8,545
  2. 02Independence8,287
  3. 03Cherryvale2,114
  4. 04Caney1,726
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, including 2 across a state line. The most populous is Washington County, OK, with 54,060 residents. Distances run between Census internal points in a straight line.

Distance to Topeka and the nearest big city

Topeka is 128.4 miles N of Montgomery County's internal point in a straight line. The nearest place of 100,000 or more is Tulsa, OK (population 415,154), 73.9 miles away. The nearest place of 10,000 or more is Bartlesville, OK (population 38,355), 33.2 miles away.

Montgomery County FIPS code

The FIPS code of Montgomery County is 20125: state code 20 for Kansas plus county code 125. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $53,379.

Questions people ask

What is the population of Montgomery County, Kansas?

The Census Vintage 2024 estimate for July 1, 2024 is 30,459. That is down 941 people (3.0%) from the July 2020 estimate of 31,400.

What is the FIPS code of Montgomery County?

20125. The first two digits (20) are Kansas; the last three (125) identify the county.

What is the largest town in Montgomery County?

Coffeyville, with 8,545 residents inside Montgomery County in 2024.

Which counties border Montgomery County?

7 county-equivalents border it in the Census 2024 adjacency file: Washington County, OK; Labette County, KS; Neosho County, KS; Nowata County, OK; Wilson County, KS; Chautauqua County, KS; Elk County, KS.

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.