The Town Files

Sullivan, Illinois

City in Moultrie County · population 4,413 (2020 Census)

Map: where Sullivan is in IllinoisSullivan
Median home
$102,500
Household income
$63,229
Jan low / Jul high
19° / 86°
Snow a year
13 in
Tornadoes ≤10 mi since 1950
15
Median age
38.1

Sullivan is a city of 4,413 people in Moultrie County, Illinois. The median home is worth $102,500, below the typical Illinois town ($156,600). It ranks more of a college town than 92% of Illinois towns, more walkable than 84% of Illinois towns, more vibrant than 78% of Illinois towns.

Sullivan in our rankings:

How Sullivan ranks

Percentile among Illinois towns with at least 500 people on The Town Files lifestyle rankings. 50 is typical for the state; 90 means better than 90% of Illinois towns.

Sullivan lifestyle rankings vs other Illinois townsRetirement70th pctFamilies40th pctQuiet27th pctWalkability84th pctFirst-time buyers48th pctYoung professionals22nd pctVibrancy78th pctHip & trendy75th pctCollege town92nd pctUpscale37th pctVacation homesbottomSeaside characterbottomCycling74th pctTransit66th pctDriving31st pcttypical
The Town Files lifestyle rankings, built from federal demographic, school, crime and housing data (2025).

Homes and cost of living

The median home in Sullivan is worth $102,500, below the typical Illinois town ($156,600). Homes cost about 1.6 times the median household income of $63,229, which is more affordable than 85% of Illinois towns. Median rent is $831 a month. 68.6% of households own their home.

Sullivan vs Moultrie County vs typical Illinois townSullivanMoultrie CountyTypical Illinois townHome value$102,500$134,000$156,600Household income$63,229$71,784$72,500Monthly rent$831$804$960
Census ACS 5-year estimates, 2020–2024. "Typical town" = median of Illinois towns with 500+ people.
HousingSullivanTypical Illinois town
Median home value$102,500$156,600
Median rent$831$960
Median household income$63,229$72,500
Home value ÷ income1.6×2.2×
Homeownership68.6%76.6%
Median year built19611967
Seasonal / vacation homes0.4%—

Who lives in Sullivan

PeopleSullivanTypical Illinois town
Median age38.140.4
Age 65 and over17.5%18.7%
Under 1824.8%—
Bachelor's degree or higher15.9%21.8%
Below the poverty line10.3%9.9%
Veterans8.1%—
Born outside the U.S.0.3%—
Work from home1.7%8.9%
Average commute16.3 min26.1 min
Homes with broadband87.8%90.4%

Weather in Sullivan

July highs average 86.0°F and January lows 18.5°F. About 41.6 inches of rain and melted snow fall a year, with 12.9 inches of snow (typical Illinois town: 24.2 in). Expect about 22 days a year at 90°F or hotter and 122 nights at or below freezing.

Sullivan monthly temperatures and precipitation10°20°30°40°50°60°70°80°90°32° freezing35°19°Jan40°22°Feb51°31°Mar65°42°Apr75°53°May83°63°Jun86°65°Jul85°62°Aug80°55°Sep67°44°Oct52°33°Nov40°25°DecPrecipitation (in) · snow (in) in blue2.45.22.22.42.81.04.50.25.05.04.33.22.73.33.50.42.83.7
NOAA 1991–2020 climate normals: average daily high and low by month; precipitation and snowfall in inches. Temperatures from the Sullivan 3S station (2.4 mi away).

Tornadoes, storms and disasters

15 tornadoes have passed within 10 miles of Sullivan since 1950, compared with 27 for the typical Illinois town. 4 rated (E)F2 or stronger. The strongest, an F2, struck on April 7, 1998 about 9.0 miles from the town center. The most recent was on June 17, 2026.

Tornadoes within 10 miles of Sullivan by decade11950s01960s01970s11980s41990s32000s12010s52020s
NOAA Storm Events Database, tornado tracks (start to end point) passing within 10 miles of the town center, 1950–2026.

Hail of 1 inch or larger has been reported within 10 miles 34 times; the largest was 3.00 inches on June 17, 2026.

Severe weather in Moultrie County since 1996

Storm events in Moultrie County since 1996 by typeHail50Heat7Flood7Drought12Tornado14High Wind10Heavy Snow18Flash Flood24
NOAA Storm Events Database, Moultrie County, 1996–2026 (all event types recorded since 1996). 1 deaths recorded.

Moultrie County has been included in 10 federal disaster or emergency declarations since 1953, most often for tornado, hurricane, snowstorm.

DeclaredIncidentDeclaration
August 15, 2023Severe StormDR-4728: Severe Storms And Flooding
December 13, 2021TornadoEM-3577: Severe Storms, Straight-Line Winds, And Tornadoes
March 26, 2020BiologicalDR-4489: Covid-19 Pandemic
March 13, 2020BiologicalEM-3435: Covid-19
March 17, 2011SnowstormDR-1960: Severe Winter Storm And Snowstorm

Jobs and pay in Moultrie County

Moultrie County had 5,140 jobs in 2024, paying an average of $51,569 a year. Unemployment was 3.6% in 2023; in Sullivan itself the ACS puts it at 2.4%.

Largest industries in Moultrie CountyManufacturing1,859 jobs · $58,396Construction494 jobs · $81,823Retail324 jobs · $26,404Hotels & restaurants283 jobs · $18,130Information238 jobs · $64,524Professional & technical serv…174 jobs · $60,800
BLS Quarterly Census of Employment and Wages, 2024, private-sector jobs and average annual pay.
Unemployment rate in Moultrie County, 2000–20230%2%4%6%8%10%2000200420082012201620202023Moultrie 3.6%
Annual average unemployment rate (BLS Local Area Unemployment Statistics via USDA ERS).

Public schools in Sullivan

3 public schools with 1,142 students, about 16.3 students per teacher.

SchoolGradesStudentsPer teacher
Sullivan Elem SchoolPK-556117.0
Sullivan High School9-1232815.6
Sullivan Middle School6-825315.8

Towns near Sullivan

Sullivan questions

Is Sullivan, Illinois a good place to retire?

On The Town Files lifestyle rankings, Sullivan scores better for retirees than 70% of Illinois towns and quieter than 27%. 17.5% of residents are 65 or older (median age 38.1).

How much does a house cost in Sullivan?

The median owner-occupied home in Sullivan is valued at $102,500 (Census ACS 2020–2024), against a median household income of $63,229, so homes cost about 1.6 times income. Median rent is $831 a month.

What is the weather like in Sullivan?

July highs average 86.0°F and January lows 18.5°F (NOAA 1991–2020 normals). It gets about 41.6 inches of precipitation a year and 12.9 inches of snow.

Does Sullivan get tornadoes?

15 tornadoes have passed within 10 miles of Sullivan since 1950 (NOAA Storm Events); the strongest was a F2 on April 7, 1998. The typical Illinois town has had 27.

How this page is made. Every number comes from public data, matched to Sullivan's Census boundary (GEOID 1773495). Comparisons use the median of Illinois towns with at least 500 people. Weather comes from the nearest NOAA normals station; storm counts use NOAA tornado tracks within 10 miles of the town center. Data snapshot 2026-11-12.