Casco, Michigan

Township in St. Clair County · population 3,990 (2020 Census)

Median home: $303,200
Household income: $87,538
Jan low / Jul high: 16° / 83°
Snow a year: 40 in
Tornadoes ≤10 mi since 1950: 5
Median age: 39.4

Casco is a township of 3,990 people in St. Clair County, Michigan. The median home is worth $303,200, above the typical Michigan town ($193,900). It ranks easier by car than 88% of Michigan towns, better for families than 80% of Michigan towns, more of a college town than 79% of Michigan towns.

How Casco ranks

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

The Town Files lifestyle rankings, built from federal demographic, school, crime and housing data (2025).

Homes and cost of living

The median home in Casco is worth $303,200, above the typical Michigan town ($193,900). Homes cost about 3.5 times the median household income of $87,538, which is more affordable than 19% of Michigan towns. Median rent is $1,091 a month. 94.7% of households own their home.

Census ACS 5-year estimates, 2020–2024. "Typical town" = median of Michigan towns with 500+ people.

Housing	Casco	Typical Michigan town
Median home value	$303,200	$193,900
Median rent	$1,091	$955
Median household income	$87,538	$69,792
Home value ÷ income	3.5×	2.8×
Homeownership	94.7%	86.8%
Median year built	1977	1975
Seasonal / vacation homes	0.4%	—

Who lives in Casco

People	Casco	Typical Michigan town
Median age	39.4	43.7
Age 65 and over	15.3%	20.7%
Under 18	26.1%	—
Bachelor's degree or higher	20.5%	21.5%
Below the poverty line	8.3%	10.4%
Veterans	5.0%	—
Born outside the U.S.	3.0%	—
Work from home	6.9%	9.1%
Average commute	28.3 min	25.6 min
Homes with broadband	90.8%	88.8%

Weather in Casco

July highs average 83.0°F and January lows 16.2°F. About 35.9 inches of rain and melted snow fall a year, with 40.4 inches of snow (typical Michigan town: 52.1 in). Expect about 14 days a year at 90°F or hotter and 143 nights at or below freezing.

NOAA 1991–2020 climate normals: average daily high and low by month; precipitation and snowfall in inches. Temperatures from the Richmond 4 Nnw station (10.2 mi away); snowfall estimated from the 3 nearest snow stations, weighted by distance.

Tornadoes, storms and disasters

5 tornadoes have passed within 10 miles of Casco since 1950, compared with 10 for the typical Michigan town. 2 rated (E)F2 or stronger. The strongest, an F4, struck on May 8, 1964 about 7.8 miles from the town center and killed 11. Tornadoes within 10 miles have caused 12 deaths and 227 injuries since 1950. The most recent was on August 20, 2014.

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 18 times; the largest was 1.75 inches on July 20, 2023.

Severe weather in St. Clair County since 1996

NOAA Storm Events Database, St. Clair County, 1996–2026 (all event types recorded since 1996). 3 deaths recorded.

St. Clair County has been included in 12 federal disaster or emergency declarations since 1953, most often for flood, other, hurricane.

Declared	Incident	Declaration
March 27, 2020	Biological	DR-4494: Covid-19 Pandemic
March 13, 2020	Biological	EM-3455: Covid-19
September 7, 2005	Hurricane	EM-3225: Hurricane Katrina Evacuation
June 30, 2004	Severe Storm	DR-1527: Severe Storms, Tornadoes, And Flooding
September 23, 2003	Other	EM-3189: Power Outage

Jobs and pay in St. Clair County

St. Clair County had 42,283 jobs in 2024, paying an average of $55,695 a year. Unemployment was 3.8% in 2023; in Casco itself the ACS puts it at 5.7%.

BLS Quarterly Census of Employment and Wages, 2024, private-sector jobs and average annual pay.

Annual average unemployment rate (BLS Local Area Unemployment Statistics via USDA ERS).

Towns near Casco

Ira, MI
4.7 mi · 4,967 people · home $244,200
China, MI
5.3 mi · 3,509 people · home $322,600
Richmond, MI
5.4 mi · 5,878 people · home $237,700
New Baltimore, MI
6.6 mi · 12,117 people · home $323,200
Columbus, MI
6.6 mi · 4,112 people · home $323,200
Lenox, MI
6.7 mi · 12,119 people · home $212,900
New Haven, MI
7.0 mi · 6,097 people · home $209,000
Cottrellville, MI
7.3 mi · 3,406 people · home $293,900

Casco questions

Is Casco, Michigan a good place to retire?

On The Town Files lifestyle rankings, Casco scores better for retirees than 16% of Michigan towns and quieter than 42%. 15.3% of residents are 65 or older (median age 39.4).

How much does a house cost in Casco?

The median owner-occupied home in Casco is valued at $303,200 (Census ACS 2020–2024), against a median household income of $87,538, so homes cost about 3.5 times income. Median rent is $1,091 a month.

What is the weather like in Casco?

July highs average 83.0°F and January lows 16.2°F (NOAA 1991–2020 normals). It gets about 35.9 inches of precipitation a year and 40.4 inches of snow.

Does Casco get tornadoes?

5 tornadoes have passed within 10 miles of Casco since 1950 (NOAA Storm Events); the strongest was a F4 on May 8, 1964. The typical Michigan town has had 10.

How this page is made. Every number comes from public data, matched to Casco's Census boundary (GEOID 2614713720). Comparisons use the median of Michigan 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.

U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024)
U.S. Census Bureau, 2020 Census and 2025 Gazetteer (2020 / 2025)
NOAA NCEI U.S. Climate Normals (1991–2020)
NOAA NCEI Storm Events Database (1950–2026)
FEMA OpenFEMA Disaster Declarations (this product uses the FEMA OpenFEMA API but is not endorsed by FEMA) (1953–2026)
NCES Common Core of Data (2023–24)
BLS Quarterly Census of Employment and Wages; USDA ERS county unemployment (BLS LAUS) (2000–2024)
The Town Files lifestyle rankings, built from federal demographic, school, crime and housing data (2025)

Data snapshot 2026-11-13.