• county
  • FIPS 18145
  • Largest town: Shelbyville

Shelby County, Indiana

Shelby County had 45,654 residents in the Census Vintage 2024 estimate, on 411.1 square miles of land. It ranks 33rd of 92 in Indiana by population and 33rd by land area.

Population
45,654
#33 of 92 in Indiana · #1,080 in US
Area
411.1 sq mi
#33 of 92 in Indiana · #2,460 in US
Density
111 / sq mi
#34 of 92 in Indiana · #845 in US
Median household income
$71,548
#28 of 92 in Indiana · #886 in US

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

Shelby County within Indiana. Pin: Indianapolis.

Measure from here

Tools and pages that start from Shelby County

Shelby County population, land area and income

Shelby County had 45,654 residents in the Census Vintage 2024 estimate, on 411.1 square miles of land. It ranks 33rd of 92 in Indiana by population and 33rd by land area. That works out to 111.0 people per square mile, near the US average of 96.3, and above the national county median.

The median county-equivalent in Indiana has 34,874 residents; Shelby County is somewhat larger.

Its SAIPE 2023 median household income of $71,548 is above the national county median among 3,143 counties with an estimate.

National rank among 3,144

Population

45,654

3144th1st

1080th of 3,144 (US)

Land area

411 sq mi

3144th1st

2460th of 3,144 (US)

Density

111.0 / sq mi

3144th1st

845th of 3,144 (US)

Median household income

$71,548

3143rd1st

886th of 3,143 (US)

Rank within Indiana (92)

Population

45,654

92nd1st

33rd of 92 (IN)

Land area

411 sq mi

92nd1st

33rd of 92 (IN)

Density

111.0 / sq mi

92nd1st

34th of 92 (IN)

Median household income

$71,548

92nd1st

28th of 92 (IN)

How Shelby County's population changed since 2020

Shelby County gained 588 residents between the July 2020 and July 2024 estimates, a rise of 1.3%. That ranks 37th 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, Shelby County recorded 1,980 births and 2,162 deaths, a natural change of -182. Net international migration added +375 and net domestic migration, people moving to or from other US counties, came to +404. The largest single component was domestic migration, which added 404 people.

45.1k202045.1k202145.2k202245.3k202345.7k2024
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
1,980
Deaths
2,162
Net international migration
+375
Net domestic migration
+404
Change, July 2023 to July 2024
+373

Where Shelby County is

The Census internal point of Shelby County is at 39.524100, -85.792200. 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 Shelby 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: Shelby County internal point. Dark pin: Indianapolis.

Internal point

Decimal
39.524100, -85.792200
DMS
39°31'26.76"N 85°47'31.92"W
UTM
16N 603811.1E 4375635.5N
Geohash
dp4bzg0h8
Plus code
86FPG6F5+J4

Towns in Shelby County

3 incorporated places of 1,000+ people have residents in Shelby County, 22,235 people together, or 49% of the county. Each figure counts only the part of the town inside Shelby County; towns marked "part" extend into another county. The largest is Shelbyville with 20,845.

  1. 01Shelbyville20,845
  2. 02Morristown1,197
  3. 03Edinburgh (part)193
Census Vintage 2024 subcounty estimates, county parts of incorporated places (SUMLEV 157).

Counties bordering Shelby County

The Census 2024 county adjacency file lists 6 neighbors for Shelby County. The most populous is Marion County, IN, with 981,628 residents. Distances run between Census internal points in a straight line.

Distance to Indianapolis and the nearest big city

Indianapolis is 25.8 miles NW of Shelby County's internal point in a straight line. The nearest place of 100,000 or more is Indianapolis, IN (population 891,484), 25.7 miles away. The nearest place of 10,000 or more is Shelbyville, IN (population 20,845), 1.6 miles away.

Shelby County FIPS code

The FIPS code of Shelby County is 18145: state code 18 for Indiana plus county code 145. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $71,548.

Questions people ask

What is the population of Shelby County, Indiana?

The Census Vintage 2024 estimate for July 1, 2024 is 45,654. That is up 588 people (1.3%) from the July 2020 estimate of 45,066.

What is the FIPS code of Shelby County?

18145. The first two digits (18) are Indiana; the last three (145) identify the county.

What is the largest town in Shelby County?

Shelbyville, with 20,845 residents inside Shelby County in 2024.

Which counties border Shelby County?

6 county-equivalents border it in the Census 2024 adjacency file: Marion County, IN; Johnson County, IN; Hancock County, IN; Bartholomew County, IN; Decatur County, IN; Rush 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.