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Sullivan County, IN
13 cities and towns and 9 ZIP codes in Sullivan County, Indiana.
Population
20,780
Land area
447sq mi
People per sq mi
46
ZIP codes
9
Cities and towns in Sullivan County
Sullivan County at a glance
- Sullivan County is 76% less dense than Indiana as a whole.
- The median household income is $56,204, 22% below the Indiana median of $71,957.
- A typical owner-occupied home is valued at $131,100 (40% below Indiana) and median rent is $829 a month.
- Its largest cities are Sullivan (4,252), Shelburn (1,264) and Farmersburg (1,166).
Local data for Sullivan County, IN
Counts from official public data
Housing and community stats
Sullivan County, IN, American Community Survey 2020-2024
Median household income
$56,204
Poverty rate
13.9%
Median home value
$131,100
Prices +17.3% in a year
Median rent
$829/mo
Homeownership
76.4%
Bachelor's or higher
14.6%
Median age
41.7
Average commute
25.2 min
Largest reported origins and ancestries: German Americans (3,430), Irish Americans (2,539), Italian Americans (472).
Economy and federal money
Jobs, income, federal spending and pandemic loans
Unemployment rate
3.6%
Sep 2026, +0.1 pts in a year
Average annual pay
$54,710
5,632 jobs, 2025
Income per person
$46,497
BEA, 2024
Federal spending
$156M
FY 2026, $7,480 per person
PPP loans
$25.2M
487 loans, 3,111 jobs reported
Campaign donations
$23.4K
Itemized, 2026 cycle
How people get to work
Sullivan County, IN, workers 16 and older. American Community Survey 5-year estimates
- Drove alone80.3%
- Carpooled10.6%
- Public transit0.0%
- Walked2.1%
- Bicycle0.1%
- Taxi, ride-hailing, motorcycle or other1.2%
- Worked from home5.6%
Average one-way commute: 25.2 minutes for people who do not work from home.
Environment and hazard risk
Sullivan County, IN, from FEMA, NOAA and EPA
Natural hazard risk
Very Low
Top: earthquake
Storm events since 1996
300
Most often flood
Flood insurance policies
4
0.0% of homes, county
July high / Jan low
86° / 21°F
47.2 inches of rain a year
Hazards, floods and storm historyCheck a flood zone5 historic places
Health statistics
Share of adults in Sullivan County, IN, CDC PLACES estimates
Obesity
43.6%
U.S. 33.3% +10.3 pts
Diabetes
14.1%
U.S. 12.1% +2.0 pts
Smoking
19.9%
U.S. 12.8% +7.1 pts
Uninsured (18-64)
9.5%
U.S. 11.1% -1.6 pts
Cities, towns and ZIP codes in Sullivan County
Population shown
Frequently asked questions
- What is the largest city in Sullivan County, IN?
- Sullivan is the largest city or town in Sullivan County, with about 4,252 residents.
- How many ZIP codes are in Sullivan County?
- Sullivan County includes 9 ZIP Code Tabulation Areas, including 47838, 47848, 47849, 47850, 47855.
- What is the population of Sullivan County, IN?
- About 20,780 people live in Sullivan County, based on American Community Survey 5-year estimates.
- What counties border Sullivan County?
- Sullivan County borders Vigo County, Knox County, Greene County, Clay County, Crawford County, IL, Clark County, IL.
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023