• county
  • FIPS 18013
  • Largest town: Nashville

Brown County, Indiana

Brown County had 15,650 residents in the Census Vintage 2024 estimate, on 312.0 square miles of land. It ranks 79th of 92 in Indiana by population and 76th by land area.

Population
15,650
#79 of 92 in Indiana · #2,057 in US
Area
312.0 sq mi
#76 of 92 in Indiana · #2,783 in US
Density
50 / sq mi
#77 of 92 in Indiana · #1,466 in US
Median household income
$72,141
#25 of 92 in Indiana · #846 in US

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

Brown County within Indiana. Pin: Indianapolis.

Brown County population, land area and income

Brown County had 15,650 residents in the Census Vintage 2024 estimate, on 312.0 square miles of land. It ranks 79th of 92 in Indiana by population and 76th by land area. That works out to 50.2 people per square mile, below the US average of 96.3, and above the national county median.

The median county-equivalent in Indiana has 34,874 residents, so Brown County has 45% of the typical county's population.

Its SAIPE 2023 median household income of $72,141 is above the national county median among 3,143 counties with an estimate.

National rank among 3,144

Population

15,650

3144th1st

2057th of 3,144 (US)

Land area

312 sq mi

3144th1st

2783rd of 3,144 (US)

Density

50.2 / sq mi

3144th1st

1466th of 3,144 (US)

Median household income

$72,141

3143rd1st

846th of 3,143 (US)

Rank within Indiana (92)

Population

15,650

92nd1st

79th of 92 (IN)

Land area

312 sq mi

92nd1st

76th of 92 (IN)

Density

50.2 / sq mi

92nd1st

77th of 92 (IN)

Median household income

$72,141

92nd1st

25th of 92 (IN)

How Brown County's population changed since 2020

Brown County gained 170 residents between the July 2020 and July 2024 estimates, a rise of 1.1%. That ranks 40th 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, Brown County recorded 436 births and 846 deaths, a natural change of -410. Net international migration added +42 and net domestic migration, people moving to or from other US counties, came to +555. The largest single component was domestic migration, which added 555 people.

15.5k202015.6k202115.6k202215.7k202315.7k2024
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
436
Deaths
846
Net international migration
+42
Net domestic migration
+555
Change, July 2023 to July 2024
-41

Where Brown County is

The Census internal point of Brown County is at 39.195100, -86.230100. 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 Brown 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: Brown County internal point. Dark pin: Indianapolis.

Internal point

Decimal
39.195100, -86.230100
DMS
39°11'42.36"N 86°13'48.36"W
UTM
16N 566483.9E 4338709.7N
Geohash
dnfwvz30j
Plus code
86FM5QW9+2X

Towns in Brown County

One incorporated place of 1,000+ people has residents in Brown County, 1,264 people together, or 8% of the county. Each figure counts only the part of the town inside Brown County; towns marked "part" extend into another county. The largest is Nashville with 1,264.

  1. 01Nashville1,264
Census Vintage 2024 subcounty estimates, county parts of incorporated places (SUMLEV 157).

Counties bordering Brown County

The Census 2024 county adjacency file lists 5 neighbors for Brown County. The most populous is Johnson County, IN, with 170,614 residents. Distances run between Census internal points in a straight line.

Distance to Indianapolis and the nearest big city

Indianapolis is 39.8 miles N of Brown County's internal point in a straight line. The nearest place of 100,000 or more is Indianapolis, IN (population 891,484), 40.5 miles away. The nearest place of 10,000 or more is Bloomington, IN (population 79,986), 15.9 miles away.

Brown County FIPS code

The FIPS code of Brown County is 18013: state code 18 for Indiana plus county code 013. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $72,141.

Questions people ask

What is the population of Brown County, Indiana?

The Census Vintage 2024 estimate for July 1, 2024 is 15,650. That is up 170 people (1.1%) from the July 2020 estimate of 15,480.

What is the FIPS code of Brown County?

18013. The first two digits (18) are Indiana; the last three (013) identify the county.

What is the largest town in Brown County?

Nashville, with 1,264 residents inside Brown County in 2024.

Which counties border Brown County?

5 county-equivalents border it in the Census 2024 adjacency file: Johnson County, IN; Monroe County, IN; Bartholomew County, IN; Morgan County, IN; Jackson 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.