• county
  • FIPS 18045
  • Largest town: Attica

Fountain County, Indiana

Fountain County had 16,833 residents in the Census Vintage 2024 estimate, on 395.7 square miles of land. It ranks 76th of 92 in Indiana by population and 48th by land area.

Population
16,833
#76 of 92 in Indiana · #1,986 in US
Area
395.7 sq mi
#48 of 92 in Indiana · #2,547 in US
Density
43 / sq mi
#83 of 92 in Indiana · #1,615 in US
Median household income
$63,747
#58 of 92 in Indiana · #1,483 in US

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

Fountain County within Indiana. Pin: Indianapolis.

Fountain County population, land area and income

Fountain County had 16,833 residents in the Census Vintage 2024 estimate, on 395.7 square miles of land. It ranks 76th of 92 in Indiana by population and 48th by land area. That works out to 42.5 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 Fountain County has 48% of the typical county's population.

Its SAIPE 2023 median household income of $63,747 is above the national county median among 3,143 counties with an estimate.

National rank among 3,144

Population

16,833

3144th1st

1986th of 3,144 (US)

Land area

396 sq mi

3144th1st

2547th of 3,144 (US)

Density

42.5 / sq mi

3144th1st

1615th of 3,144 (US)

Median household income

$63,747

3143rd1st

1483rd of 3,143 (US)

Rank within Indiana (92)

Population

16,833

92nd1st

76th of 92 (IN)

Land area

396 sq mi

92nd1st

48th of 92 (IN)

Density

42.5 / sq mi

92nd1st

83rd of 92 (IN)

Median household income

$63,747

92nd1st

58th of 92 (IN)

How Fountain County's population changed since 2020

Fountain County gained 340 residents between the July 2020 and July 2024 estimates, a rise of 2.1%. That ranks 21st 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, Fountain County recorded 828 births and 1,089 deaths, a natural change of -261. Net international migration added +13 and net domestic migration, people moving to or from other US counties, came to +602. The largest single component was domestic migration, which added 602 people.

16.5k202016.5k202116.6k202216.7k202316.8k2024
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
828
Deaths
1,089
Net international migration
+13
Net domestic migration
+602
Change, July 2023 to July 2024
+159

Where Fountain County is

The Census internal point of Fountain County is at 40.121200, -87.234900. 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 Fountain 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: Fountain County internal point. Dark pin: Indianapolis.

Internal point

Decimal
40.121200, -87.234900
DMS
40°07'16.32"N 87°14'5.64"W
UTM
16N 479984.5E 4441235.8N
Geohash
dp1unzv6z
Plus code
86GJ4QC8+F2

Towns in Fountain County

3 incorporated places of 1,000+ people have residents in Fountain County, 8,094 people together, or 48% of the county. Each figure counts only the part of the town inside Fountain County; towns marked "part" extend into another county. The largest is Attica with 3,247.

  1. 01Attica3,247
  2. 02Covington2,751
  3. 03Veedersburg2,096
Census Vintage 2024 subcounty estimates, county parts of incorporated places (SUMLEV 157).

Counties bordering Fountain County

The Census 2024 county adjacency file lists 5 neighbors for Fountain County. The most populous is Tippecanoe County, IN, with 191,650 residents. Distances run between Census internal points in a straight line.

Distance to Indianapolis and the nearest big city

Indianapolis is 62.0 miles ESE of Fountain County's internal point in a straight line. The nearest place of 100,000 or more is Carmel, IN (population 103,606), 58.5 miles away. The nearest place of 10,000 or more is Crawfordsville, IN (population 16,594), 18.6 miles away.

Fountain County FIPS code

The FIPS code of Fountain County is 18045: state code 18 for Indiana plus county code 045. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $63,747.

Questions people ask

What is the population of Fountain County, Indiana?

The Census Vintage 2024 estimate for July 1, 2024 is 16,833. That is up 340 people (2.1%) from the July 2020 estimate of 16,493.

What is the FIPS code of Fountain County?

18045. The first two digits (18) are Indiana; the last three (045) identify the county.

What is the largest town in Fountain County?

Attica, with 3,247 residents inside Fountain County in 2024.

Which counties border Fountain County?

5 county-equivalents border it in the Census 2024 adjacency file: Tippecanoe County, IN; Montgomery County, IN; Parke County, IN; Vermillion County, IN; Warren 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.