Merrimac, Wisconsin
Village in Sauk County · population 527 (2020 Census)
- Median home
- $276,600
- Household income
- $92,417
- Jan low / Jul high
- 10° / 84°
- Snow a year
- 43 in
- Tornadoes ≤10 mi since 1950
- 25
- Median age
- 39.3
Merrimac is a village of 527 people in Sauk County, Wisconsin. The median home is worth $276,600, above the typical Wisconsin town ($256,000). It ranks better for a vacation home than 92% of Wisconsin towns, better for cycling than 74% of Wisconsin towns.
How Merrimac ranks
Percentile among Wisconsin towns with at least 500 people on The Town Files lifestyle rankings. 50 is typical for the state; 90 means better than 90% of Wisconsin towns.
Homes and cost of living
The median home in Merrimac is worth $276,600, above the typical Wisconsin town ($256,000). Homes cost about 3.0 times the median household income of $92,417, which is more affordable than 62% of Wisconsin towns. Median rent is $992 a month. 80.1% of households own their home.
| Housing | Merrimac | Typical Wisconsin town |
|---|---|---|
| Median home value | $276,600 | $256,000 |
| Median rent | $992 | $951 |
| Median household income | $92,417 | $82,217 |
| Home value ÷ income | 3.0× | 3.1× |
| Homeownership | 80.1% | 86.8% |
| Median year built | 1964 | 1978 |
| Seasonal / vacation homes | 22.3% | — |
Who lives in Merrimac
| People | Merrimac | Typical Wisconsin town |
|---|---|---|
| Median age | 39.3 | 45.1 |
| Age 65 and over | 16.5% | 21.0% |
| Under 18 | 24.0% | — |
| Bachelor's degree or higher | 34.8% | 23.8% |
| Below the poverty line | 6.7% | 7.2% |
| Veterans | 5.3% | — |
| Born outside the U.S. | 1.1% | — |
| Work from home | 6.6% | 10.9% |
| Average commute | 30.6 min | 24.6 min |
| Homes with broadband | 93.9% | 89.1% |
Weather in Merrimac
July highs average 83.9°F and January lows 9.6°F. About 39.2 inches of rain and melted snow fall a year, with 42.7 inches of snow (typical Wisconsin town: 45.7 in). Expect about 15 days a year at 90°F or hotter and 154 nights at or below freezing.
Tornadoes, storms and disasters
25 tornadoes have passed within 10 miles of Merrimac since 1950, compared with 15 for the typical Wisconsin town. 9 rated (E)F2 or stronger. The strongest, an F5, struck on June 7, 1984 about 8.5 miles from the town center. The most recent was on July 16, 2025.
Hail of 1 inch or larger has been reported within 10 miles 34 times; the largest was 1.75 inches on June 16, 2018.
Severe weather in Sauk County since 1996
Sauk County has been included in 15 federal disaster or emergency declarations since 1953, most often for flood, drought, hurricane.
| Declared | Incident | Declaration |
|---|---|---|
| June 30, 2026 | Flood | DR-4923: Severe Storms, Tornadoes, And Flooding |
| April 4, 2020 | Biological | DR-4520: Covid-19 Pandemic |
| March 13, 2020 | Biological | EM-3454: Covid-19 |
| October 18, 2018 | Flood | DR-4402: Severe Storms, Tornadoes, Straight-Line Winds, Flooding, And Landslides |
| June 14, 2008 | Severe Storm | DR-1768: Severe Storms, Tornadoes, And Flooding |
Jobs and pay in Sauk County
Sauk County had 36,498 jobs in 2024, paying an average of $50,177 a year. Unemployment was 2.6% in 2023; in Merrimac itself the ACS puts it at 1%.
Public schools in Merrimac
1 public school with 126 students, about 12.6 students per teacher.
| School | Grades | Students | Per teacher |
|---|---|---|---|
| Merrimac Community | PK-5 | 126 | 12.6 |
Towns near Merrimac
- Lake Wisconsin, WI1.7 mi · 4,616 people · home $452,400
- Merrimac, WI2.4 mi · 1,247 people · home $454,500
- West Point, WI3.7 mi · 2,028 people · home $532,900
- Lodi, WI5.2 mi · 3,282 people · home $441,500
- Lodi, WI6.0 mi · 3,189 people · home $328,200
- Greenfield, WI6.0 mi · 909 people · home $360,400
- Bluffview, WI7.4 mi · 536 people · home $23,900
- Prairie du Sac, WI7.8 mi · 4,420 people · home $321,300
Merrimac questions
Is Merrimac, Wisconsin a good place to retire?
On The Town Files lifestyle rankings, Merrimac scores better for retirees than 29% of Wisconsin towns and quieter than 32%. 16.5% of residents are 65 or older (median age 39.3).
How much does a house cost in Merrimac?
The median owner-occupied home in Merrimac is valued at $276,600 (Census ACS 2020–2024), against a median household income of $92,417, so homes cost about 3.0 times income. Median rent is $992 a month.
What is the weather like in Merrimac?
July highs average 83.9°F and January lows 9.6°F (NOAA 1991–2020 normals). It gets about 39.2 inches of precipitation a year and 42.7 inches of snow.
Does Merrimac get tornadoes?
25 tornadoes have passed within 10 miles of Merrimac since 1950 (NOAA Storm Events); the strongest was a F5 on June 7, 1984. The typical Wisconsin town has had 15.
- 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)