The Town Files

Potomac, Illinois

Village in Vermilion County · population 689 (2020 Census)

Map: where Potomac is in IllinoisPotomac
Median home
$95,500
Household income
$53,194
Jan low / Jul high
18° / 85°
Snow a year
18 in
Tornadoes ≤10 mi since 1950
23
Median age
40.1

Potomac is a village of 689 people in Vermilion County, Illinois. The median home is worth $95,500, below the typical Illinois town ($156,600). It ranks easier by car than 86% of Illinois towns, quieter than 84% of Illinois towns, better for retirees than 82% of Illinois towns.

How Potomac 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.

Potomac lifestyle rankings vs other Illinois townsRetirement82nd pctFamilies75th pctQuiet84th pctWalkability13th pctFirst-time buyersbottomYoung professionals32nd pctVibrancy5th pctHip & trendy57th pctCollege town39th pctUpscale60th pctVacation homesbottomSeaside characterbottomCyclingbottomTransitbottomDriving86th 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 Potomac is worth $95,500, below the typical Illinois town ($156,600). Homes cost about 1.8 times the median household income of $53,194, which is more affordable than 74% of Illinois towns. Median rent is $780 a month. 76.0% of households own their home.

Potomac vs Vermilion County vs typical Illinois townPotomacVermilion CountyTypical Illinois townHome value$95,500$97,200$156,600Household income$53,194$56,877$72,500Monthly rent$780$838$960
Census ACS 5-year estimates, 2020–2024. "Typical town" = median of Illinois towns with 500+ people.
HousingPotomacTypical Illinois town
Median home value$95,500$156,600
Median rent$780$960
Median household income$53,194$72,500
Home value ÷ income1.8×2.2×
Homeownership76.0%76.6%
Median year built19591967
Seasonal / vacation homes0.0%—

Who lives in Potomac

PeoplePotomacTypical Illinois town
Median age40.140.4
Age 65 and over17.7%18.7%
Under 1827.3%—
Bachelor's degree or higher12.5%21.8%
Below the poverty line7.7%9.9%
Veterans11.4%—
Born outside the U.S.0.2%—
Work from home2.8%8.9%
Average commute28.9 min26.1 min
Homes with broadband88.2%90.4%

Weather in Potomac

July highs average 84.8°F and January lows 18.3°F. About 40.9 inches of rain and melted snow fall a year, with 18.4 inches of snow (typical Illinois town: 24.2 in). Expect about 20 days a year at 90°F or hotter and 118 nights at or below freezing.

Potomac monthly temperatures and precipitation10°20°30°40°50°60°70°80°90°32° freezing34°18°Jan38°22°Feb50°31°Mar64°41°Apr74°53°May83°62°Jun85°65°Jul83°63°Aug79°55°Sep66°44°Oct50°33°Nov38°24°DecPrecipitation (in) · snow (in) in blue2.15.62.05.22.82.34.00.34.84.94.64.03.43.42.90.72.14.2
NOAA 1991–2020 climate normals: average daily high and low by month; precipitation and snowfall in inches. Temperatures from the Hoopeston station (12.5 mi away); snowfall estimated from the 4 nearest snow stations, weighted by distance.

Tornadoes, storms and disasters

23 tornadoes have passed within 10 miles of Potomac since 1950, compared with 27 for the typical Illinois town. 9 rated (E)F2 or stronger. The strongest, an F4, struck on March 20, 1976 about 9.1 miles from the town center. Tornadoes within 10 miles have caused 1 deaths and 28 injuries since 1950. The most recent was on May 20, 2025.

Tornadoes within 10 miles of Potomac by decade21950s21960s31970s21980s11990s22000s62010s52020s
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 27 times; the largest was 2.75 inches on June 29, 2012.

Severe weather in Vermilion County since 1996

Storm events in Vermilion County since 1996 by typeHail186Flood8Drought10Tornado42High Wind18Heavy Snow19Flash Flood55Winter Storm17
NOAA Storm Events Database, Vermilion County, 1996–2026 (all event types recorded since 1996). 7 deaths recorded.

Vermilion County has been included in 12 federal disaster or emergency declarations since 1953, most often for tornado, hurricane, snowstorm.

DeclaredIncidentDeclaration
August 15, 2023Severe StormDR-4728: Severe Storms And Flooding
March 26, 2020BiologicalDR-4489: Covid-19 Pandemic
March 13, 2020BiologicalEM-3435: Covid-19
November 26, 2013TornadoDR-4157: Severe Storms, Straight-Line Winds, And Tornadoes
September 7, 2005HurricaneEM-3230: Hurricane Katrina Evacuation

Jobs and pay in Vermilion County

Vermilion County had 25,748 jobs in 2024, paying an average of $54,579 a year. Unemployment was 5.8% in 2023; in Potomac itself the ACS puts it at 4%.

Largest industries in Vermilion CountyManufacturing4,038 jobs · $66,630Retail2,993 jobs · $32,259Health care & social assistan…2,859 jobs · $53,718Hotels & restaurants2,012 jobs · $19,401Wholesale trade1,880 jobs · $70,291Transportation & warehousing1,414 jobs · $49,551
BLS Quarterly Census of Employment and Wages, 2024, private-sector jobs and average annual pay.
Unemployment rate in Vermilion County, 2000–20230%2%4%6%8%10%12%2000200420082012201620202023Vermilion 5.8%
Annual average unemployment rate (BLS Local Area Unemployment Statistics via USDA ERS).

Public schools in Potomac

1 public school with 129 students, about 8.6 students per teacher.

SchoolGradesStudentsPer teacher
Potomac Elem SchoolPK-81298.6

Towns near Potomac

Potomac questions

Is Potomac, Illinois a good place to retire?

On The Town Files lifestyle rankings, Potomac scores better for retirees than 82% of Illinois towns and quieter than 84%. 17.7% of residents are 65 or older (median age 40.1).

How much does a house cost in Potomac?

The median owner-occupied home in Potomac is valued at $95,500 (Census ACS 2020–2024), against a median household income of $53,194, so homes cost about 1.8 times income. Median rent is $780 a month.

What is the weather like in Potomac?

July highs average 84.8°F and January lows 18.3°F (NOAA 1991–2020 normals). It gets about 40.9 inches of precipitation a year and 18.4 inches of snow.

Does Potomac get tornadoes?

23 tornadoes have passed within 10 miles of Potomac since 1950 (NOAA Storm Events); the strongest was a F4 on March 20, 1976. The typical Illinois town has had 27.

How this page is made. Every number comes from public data, matched to Potomac's Census boundary (GEOID 1761366). 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 2026-11-13.