• county
  • FIPS 18047
  • Largest town: Brookville

Franklin County, Indiana

Franklin County had 23,136 residents in the Census Vintage 2024 estimate, on 384.4 square miles of land. It ranks 67th of 92 in Indiana by population and 55th by land area.

Population
23,136
#67 of 92 in Indiana · #1,679 in US
Area
384.4 sq mi
#55 of 92 in Indiana · #2,589 in US
Density
60 / sq mi
#65 of 92 in Indiana · #1,305 in US
Median household income
$77,456
#13 of 92 in Indiana · #563 in US

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

Franklin County within Indiana. Pin: Indianapolis.

Measure from here

Tools and pages that start from Franklin County

Franklin County population, land area and income

Franklin County had 23,136 residents in the Census Vintage 2024 estimate, on 384.4 square miles of land. It ranks 67th of 92 in Indiana by population and 55th by land area. That works out to 60.2 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; Franklin County is somewhat smaller.

Its SAIPE 2023 median household income of $77,456 is in the top quarter among 3,143 counties with an estimate.

National rank among 3,144

Population

23,136

3144th1st

1679th of 3,144 (US)

Land area

384 sq mi

3144th1st

2589th of 3,144 (US)

Density

60.2 / sq mi

3144th1st

1305th of 3,144 (US)

Median household income

$77,456

3143rd1st

563rd of 3,143 (US)

Rank within Indiana (92)

Population

23,136

92nd1st

67th of 92 (IN)

Land area

384 sq mi

92nd1st

55th of 92 (IN)

Density

60.2 / sq mi

92nd1st

65th of 92 (IN)

Median household income

$77,456

92nd1st

13th of 92 (IN)

How Franklin County's population changed since 2020

Franklin County gained 347 residents between the July 2020 and July 2024 estimates, a rise of 1.5%. That ranks 31st 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, Franklin County recorded 984 births and 1,078 deaths, a natural change of -94. Net international migration added +83 and net domestic migration, people moving to or from other US counties, came to +345. The largest single component was domestic migration, which added 345 people.

22.8k202022.9k202123.1k202223.2k202323.1k2024
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
984
Deaths
1,078
Net international migration
+83
Net domestic migration
+345
Change, July 2023 to July 2024
-38

Where Franklin County is

The Census internal point of Franklin County is at 39.409800, -85.067000. 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 Franklin 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: Franklin County internal point. Dark pin: Indianapolis.

Internal point

Decimal
39.409800, -85.067000
DMS
39°24'35.28"N 85°04'1.20"W
UTM
16N 666418.2E 4364036.7N
Geohash
dp580q24e
Plus code
86FPCW5M+W6

Towns in Franklin County

2 incorporated places of 1,000+ people have residents in Franklin County, 4,649 people together, or 20% of the county. Each figure counts only the part of the town inside Franklin County; towns marked "part" extend into another county. The largest is Brookville with 2,655.

  1. 01Brookville2,655
  2. 02Batesville (part)1,994
Census Vintage 2024 subcounty estimates, county parts of incorporated places (SUMLEV 157).

Counties bordering Franklin County

The Census 2024 county adjacency file lists 8 neighbors for Franklin County, including 2 across a state line. The most populous is Hamilton County, OH, with 837,359 residents. Distances run between Census internal points in a straight line.

Distance to Indianapolis and the nearest big city

Indianapolis is 63.2 miles WNW of Franklin County's internal point in a straight line. The nearest place of 100,000 or more is Cincinnati, OH (population 314,915), 35.4 miles away. The nearest place of 10,000 or more is Connersville, IN (population 13,282), 17.6 miles away.

Franklin County FIPS code

The FIPS code of Franklin County is 18047: state code 18 for Indiana plus county code 047. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $77,456.

Questions people ask

What is the population of Franklin County, Indiana?

The Census Vintage 2024 estimate for July 1, 2024 is 23,136. That is up 347 people (1.5%) from the July 2020 estimate of 22,789.

What is the FIPS code of Franklin County?

18047. The first two digits (18) are Indiana; the last three (047) identify the county.

What is the largest town in Franklin County?

Brookville, with 2,655 residents inside Franklin County in 2024.

Which counties border Franklin County?

8 county-equivalents border it in the Census 2024 adjacency file: Hamilton County, OH; Butler County, OH; Dearborn County, IN; Ripley County, IN; Decatur County, IN; Fayette County, IN; Rush County, IN; Union 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.