The Town Files

St. Charles, Iowa

City in Madison County · population 640 (2020 Census)

Map: where St. Charles is in IowaSt. Charles
Median home
$221,300
Household income
$82,841
Jan low / Jul high
12° / 86°
Snow a year
30 in
Tornadoes ≤10 mi since 1950
33
Median age
36.2

St. Charles is a city of 640 people in Madison County, Iowa. The median home is worth $221,300, above the typical Iowa town ($156,300). It ranks quieter than 97% of Iowa towns, better for families than 92% of Iowa towns, more upscale than 83% of Iowa towns.

St. Charles in our rankings:

How St. Charles ranks

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

St. Charles lifestyle rankings vs other Iowa townsRetirement64th pctFamilies92nd pctQuiet97th pctWalkabilitybottomFirst-time buyersbottomYoung professionals29th pctVibrancy35th pctHip & trendy9th pctCollege town8th pctUpscale83rd pctVacation homesbottomSeaside characterbottomCyclingbottomTransit64th pctDriving24th 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 St. Charles is worth $221,300, above the typical Iowa town ($156,300). Homes cost about 2.7 times the median household income of $82,841, which is more affordable than 26% of Iowa towns. Median rent is $855 a month. 71.0% of households own their home.

St. Charles vs Madison County vs typical Iowa townSt. CharlesMadison CountyTypical Iowa townHome value$221,300$245,100$156,300Household income$82,841$90,855$69,254Monthly rent$855$1,036$820
Census ACS 5-year estimates, 2020–2024. "Typical town" = median of Iowa towns with 500+ people.
HousingSt. CharlesTypical Iowa town
Median home value$221,300$156,300
Median rent$855$820
Median household income$82,841$69,254
Home value ÷ income2.7×2.2×
Homeownership71.0%77.1%
Median year built19761962
Seasonal / vacation homes0.0%—

Who lives in St. Charles

PeopleSt. CharlesTypical Iowa town
Median age36.240.2
Age 65 and over11.9%20.0%
Under 1822.1%—
Bachelor's degree or higher19.7%21.8%
Below the poverty line7.5%9.3%
Veterans6.6%—
Born outside the U.S.5.8%—
Work from home12.0%7.1%
Average commute36.4 min21.6 min
Homes with broadband94.8%88.5%

Weather in St. Charles

July highs average 85.5°F and January lows 11.6°F. About 37.8 inches of rain and melted snow fall a year, with 30.0 inches of snow (typical Iowa town: 32.5 in). Expect about 18 days a year at 90°F or hotter and 143 nights at or below freezing.

St. Charles monthly temperatures and precipitation10°20°30°40°50°60°70°80°90°32° freezing32°12°Jan36°15°Feb50°27°Mar62°38°Apr72°50°May81°60°Jun86°64°Jul84°62°Aug78°52°Sep65°40°Oct50°28°Nov37°17°DecPrecipitation (in) · snow (in) in blue0.97.91.48.21.93.93.90.95.60.25.74.33.93.93.00.61.92.21.46.0
NOAA 1991–2020 climate normals: average daily high and low by month; precipitation and snowfall in inches. Temperatures from the Indianola 2W station (9.9 mi away); snowfall estimated from the 4 nearest snow stations, weighted by distance.

Tornadoes, storms and disasters

33 tornadoes have passed within 10 miles of St. Charles since 1950, compared with 24 for the typical Iowa town. 5 rated (E)F2 or stronger. The strongest, an EF4, struck on March 5, 2022 about 7.4 miles from the town center and killed 6. Tornadoes within 10 miles have caused 6 deaths and 7 injuries since 1950. The most recent was on June 25, 2024.

Tornadoes within 10 miles of St. Charles by decade01950s01960s51970s31980s31990s52000s122010s52020s
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 76 times; the largest was 3.00 inches on May 14, 2020.

Severe weather in Madison County since 1996

Storm events in Madison County since 1996 by typeHail137Flood34Drought31Tornado28Blizzard14High Wind25Heavy Rain32Heavy Snow21
NOAA Storm Events Database, Madison County, 1996–2026 (all event types recorded since 1996). 6 deaths recorded.

Madison County has been included in 20 federal disaster or emergency declarations since 1953, most often for flood, tornado, hurricane.

DeclaredIncidentDeclaration
March 23, 2020BiologicalDR-4483: Covid-19 Pandemic
March 13, 2020BiologicalEM-3480: Covid-19
March 23, 2019FloodDR-4421: Severe Storms And Flooding
July 29, 2010Severe StormDR-1930: Severe Storms, Flooding, And Tornadoes
March 2, 2010Severe StormDR-1880: Severe Winter Storm

Jobs and pay in Madison County

Madison County had 4,235 jobs in 2024, paying an average of $50,189 a year. Unemployment was 3.5% in 2023; in St. Charles itself the ACS puts it at 3.3%.

Largest industries in Madison CountyRetail594 jobs · $28,525Construction347 jobs · $54,916Hotels & restaurants345 jobs · $17,468Health care & social assistan…303 jobs · $31,597Manufacturing244 jobs · $51,208Finance & insurance190 jobs · $83,606
BLS Quarterly Census of Employment and Wages, 2024, private-sector jobs and average annual pay.
Unemployment rate in Madison County, 2000–20230%2%4%6%8%2000200420082012201620202023Madison 3.5%
Annual average unemployment rate (BLS Local Area Unemployment Statistics via USDA ERS).

Towns near St. Charles

St. Charles questions

Is St. Charles, Iowa a good place to retire?

On The Town Files lifestyle rankings, St. Charles scores better for retirees than 64% of Iowa towns and quieter than 97%. 11.9% of residents are 65 or older (median age 36.2).

How much does a house cost in St. Charles?

The median owner-occupied home in St. Charles is valued at $221,300 (Census ACS 2020–2024), against a median household income of $82,841, so homes cost about 2.7 times income. Median rent is $855 a month.

What is the weather like in St. Charles?

July highs average 85.5°F and January lows 11.6°F (NOAA 1991–2020 normals). It gets about 37.8 inches of precipitation a year and 30.0 inches of snow.

Does St. Charles get tornadoes?

33 tornadoes have passed within 10 miles of St. Charles since 1950 (NOAA Storm Events); the strongest was an EF4 on March 5, 2022. The typical Iowa town has had 24.

How this page is made. Every number comes from public data, matched to St. Charles's Census boundary (GEOID 1969915). Comparisons use the median of Iowa 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.