• county
  • FIPS 18101
  • Largest town: Loogootee

Martin County, Indiana

Martin County had 9,864 residents in the Census Vintage 2024 estimate, on 335.8 square miles of land. It ranks 88th of 92 in Indiana by population and 72nd by land area.

Population
9,864
#88 of 92 in Indiana · #2,416 in US
Area
335.8 sq mi
#72 of 92 in Indiana · #2,724 in US
Density
29 / sq mi
#89 of 92 in Indiana · #1,946 in US
Median household income
$60,862
#72 of 92 in Indiana · #1,749 in US

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

Martin County within Indiana. Pin: Indianapolis.

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Tools and pages that start from Martin County

Martin County population, land area and income

Martin County had 9,864 residents in the Census Vintage 2024 estimate, on 335.8 square miles of land. It ranks 88th of 92 in Indiana by population and 72nd by land area. That works out to 29.4 people per square mile, below the US average of 96.3, and below the national county median.

The median county-equivalent in Indiana has 34,874 residents, so Martin County has 28% of the typical county's population.

Its SAIPE 2023 median household income of $60,862 is below the national county median among 3,143 counties with an estimate.

National rank among 3,144

Population

9,864

3144th1st

2416th of 3,144 (US)

Land area

336 sq mi

3144th1st

2724th of 3,144 (US)

Density

29.4 / sq mi

3144th1st

1946th of 3,144 (US)

Median household income

$60,862

3143rd1st

1749th of 3,143 (US)

Rank within Indiana (92)

Population

9,864

92nd1st

88th of 92 (IN)

Land area

336 sq mi

92nd1st

72nd of 92 (IN)

Density

29.4 / sq mi

92nd1st

89th of 92 (IN)

Median household income

$60,862

92nd1st

72nd of 92 (IN)

How Martin County's population changed since 2020

Martin County gained 54 residents between the July 2020 and July 2024 estimates, a rise of 0.6%. That ranks 53rd of 92 in Indiana for growth. The median Indiana county changed by +0.8%, and the state as a whole by +2.0%.

Since the April 2020 estimates base, Martin County recorded 507 births and 535 deaths, a natural change of -28. Net international migration added +3 and net domestic migration, people moving to or from other US counties, came to +75. The largest single component was domestic migration, which added 75 people.

9,81020209,80720219,80820229,86220239,8642024
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
507
Deaths
535
Net international migration
+3
Net domestic migration
+75
Change, July 2023 to July 2024
+2

Where Martin County is

The Census internal point of Martin County is at 38.705300, -86.801800. It sits in UTM zone 16N. The map shades Indiana's 92 county-equivalents by population change from 2020 to 2024, darker for faster growth, with Martin County outlined. Dots are towns of 1,000+ people with residents in it.

Vigo County: +0.0%Fayette County: -0.1%Grant County: -0.1%Noble County: +0.7%Clay County: -0.0%Fulton County: -2.3%Henry County: +0.3%Jasper County: +1.5%Carroll County: +2.0%Huntington County: +0.8%Howard County: +0.6%Tipton County: -0.4%Starke County: +0.3%Lawrence County: +0.4%Jennings County: +0.2%Jay County: -1.5%Greene County: +1.3%Blackford County: -2.4%Madison County: +3.1%Parke County: +2.1%DeKalb County: +2.4%Scott County: +1.5%Benton County: +1.7%Wells County: +2.3%Wabash County: -0.5%Union County: -2.8%Marshall County: +0.8%Putnam County: +3.1%Clinton County: -0.8%Hamilton County: +8.8%Hancock County: +10.8%Jackson County: +2.0%Hendricks County: +8.5%Johnson County: +5.1%Decatur County: -0.2%Lake County: +0.8%Newton County: +2.5%Fountain County: +2.1%Crawford County: +0.0%Perry County: +0.9%Martin County: +0.6%Dearborn County: +1.3%Morgan County: +2.8%Monroe County: +0.0%Switzerland County: +2.5%Ohio County: +1.2%Sullivan County: -0.2%Franklin County: +1.5%Adams County: +2.0%Jefferson County: -0.5%Knox County: -1.1%Ripley County: +0.8%Vanderburgh County: +0.0%Gibson County: -0.1%LaGrange County: +1.5%Dubois County: -0.0%Harrison County: +0.8%Randolph County: -0.3%Brown County: +1.1%Shelby County: +1.3%Tippecanoe County: +2.8%Daviess County: +2.2%Delaware County: +1.1%Elkhart County: +0.2%Whitley County: +1.6%Allen County: +3.4%Montgomery County: +1.8%Miami County: -0.8%St. Joseph County: +0.4%Kosciusko County: +0.6%Floyd County: +1.8%Rush County: -0.1%Wayne County: -0.2%Posey County: -0.5%Clark County: +5.0%Orange County: -0.1%Marion County: +0.5%Boone County: +10.7%Porter County: +1.5%Steuben County: +1.2%Vermillion County: +0.8%Cass County: -0.6%Owen County: +2.5%White County: +0.6%Washington County: +0.4%Pulaski County: -0.8%Pike County: -1.1%Warren County: +0.3%Warrick County: +3.7%Spencer County: +1.8%LaPorte County: -0.8%Bartholomew County: +3.1%
Change 2020 to 2024
  1. < -0.2%
  2. < +0.4%
  3. < +1.2%
  4. < +2.1%
  5. ≥ +2.1%
no data

Orange pin: Martin County internal point. Dark pin: Indianapolis.

Internal point

Decimal
38.705300, -86.801800
DMS
38°42'19.08"N 86°48'6.48"W
UTM
16N 517233.5E 4284092.9N
Geohash
dnfk0y0fe
Plus code
86CMP54X+47

Towns in Martin County

One incorporated place of 1,000+ people has residents in Martin County, 2,617 people together, or 27% of the county. Each figure counts only the part of the town inside Martin County; towns marked "part" extend into another county. The largest is Loogootee with 2,617.

  1. 01Loogootee2,617
Census Vintage 2024 subcounty estimates, county parts of incorporated places (SUMLEV 157).

Counties bordering Martin County

The Census 2024 county adjacency file lists 5 neighbors for Martin County. The most populous is Lawrence County, IN, with 45,192 residents. Distances run between Census internal points in a straight line.

Distance to Indianapolis and the nearest big city

Indianapolis is 81.2 miles NNE of Martin County's internal point in a straight line. The nearest place of 100,000 or more is Evansville, IN (population 115,395), 63.5 miles away. The nearest place of 10,000 or more is Washington, IN (population 12,881), 19.6 miles away.

Martin County FIPS code

The FIPS code of Martin County is 18101: state code 18 for Indiana plus county code 101. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $60,862.

Questions people ask

What is the population of Martin County, Indiana?

The Census Vintage 2024 estimate for July 1, 2024 is 9,864. That is up 54 people (0.6%) from the July 2020 estimate of 9,810.

What is the FIPS code of Martin County?

18101. The first two digits (18) are Indiana; the last three (101) identify the county.

What is the largest town in Martin County?

Loogootee, with 2,617 residents inside Martin County in 2024.

Which counties border Martin County?

5 county-equivalents border it in the Census 2024 adjacency file: Lawrence County, IN; Dubois County, IN; Daviess County, IN; Greene County, IN; Orange County, IN.

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.