The Town FilesGrand Mound, Iowa
City in Clinton County · population 615 (2020 Census)
- Median home
- $145,200
- Household income
- $82,143
- Jan low / Jul high
- 12° / 85°
- Snow a year
- 29 in
- Tornadoes ≤10 mi since 1950
- 31
- Median age
- 34.4
Grand Mound is a city of 615 people in Clinton County, Iowa. The median home is worth $145,200, below the typical Iowa town ($156,300). It ranks easier by car than 93% of Iowa towns, better for young professionals than 81% of Iowa towns, better transit than 77% of Iowa towns.
How Grand Mound 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.
Homes and cost of living
The median home in Grand Mound is worth $145,200, below the typical Iowa town ($156,300). Homes cost about 1.8 times the median household income of $82,143, which is more affordable than 83% of Iowa towns. Median rent is $763 a month. 82.9% of households own their home.
| Housing | Grand Mound | Typical Iowa town |
|---|---|---|
| Median home value | $145,200 | $156,300 |
| Median rent | $763 | $820 |
| Median household income | $82,143 | $69,254 |
| Home value ÷ income | 1.8× | 2.2× |
| Homeownership | 82.9% | 77.1% |
| Median year built | 1943 | 1962 |
| Seasonal / vacation homes | 0.0% | — |
Who lives in Grand Mound
| People | Grand Mound | Typical Iowa town |
|---|---|---|
| Median age | 34.4 | 40.2 |
| Age 65 and over | 14.9% | 20.0% |
| Under 18 | 24.5% | — |
| Bachelor's degree or higher | 19.3% | 21.8% |
| Below the poverty line | 7.6% | 9.3% |
| Veterans | 8.3% | — |
| Born outside the U.S. | 0.4% | — |
| Work from home | 1.6% | 7.1% |
| Average commute | 21.9 min | 21.6 min |
| Homes with broadband | 87.1% | 88.5% |
Weather in Grand Mound
July highs average 85.2°F and January lows 11.6°F. About 39.6 inches of rain and melted snow fall a year, with 28.7 inches of snow (typical Iowa town: 32.5 in). Expect about 21 days a year at 90°F or hotter and 150 nights at or below freezing.
Tornadoes, storms and disasters
31 tornadoes have passed within 10 miles of Grand Mound since 1950, compared with 24 for the typical Iowa town. 8 rated (E)F2 or stronger. The strongest, an F3, struck on May 8, 1988 about 6.3 miles from the town center. The most recent was on April 2, 2026.
Hail of 1 inch or larger has been reported within 10 miles 37 times; the largest was 4.00 inches on August 7, 1958.
Severe weather in Clinton County since 1996
Clinton County has been included in 22 federal disaster or emergency declarations since 1953, most often for flood, hurricane, biological.
| Declared | Incident | Declaration |
|---|---|---|
| August 17, 2020 | Severe Storm | DR-4557: Severe Storms |
| March 23, 2020 | Biological | DR-4483: Covid-19 Pandemic |
| March 13, 2020 | Biological | EM-3480: Covid-19 |
| March 23, 2019 | Flood | DR-4421: Severe Storms And Flooding |
| May 31, 2013 | Flood | DR-4119: Severe Storms, Straight-Line Winds, And Flooding |
Jobs and pay in Clinton County
Clinton County had 19,273 jobs in 2024, paying an average of $52,714 a year. Unemployment was 3.7% in 2023; in Grand Mound itself the ACS puts it at 6.6%.
Towns near Grand Mound
- DeWitt, IA5.5 mi · 5,514 people · home $237,100
- Wheatland, IA9.7 mi · 775 people · home $119,100
- Long Grove, IA9.8 mi · 838 people · home $320,600
- Park View, IA10.6 mi · 2,709 people · home $276,000
- Delmar, IA12.3 mi · 542 people · home $147,500
- Eldridge, IA13.3 mi · 6,726 people · home $350,500
- Lowden, IA14.2 mi · 807 people · home $119,800
- Maquoketa, IA16.4 mi · 6,128 people · home $132,500
Grand Mound questions
Is Grand Mound, Iowa a good place to retire?
On The Town Files lifestyle rankings, Grand Mound scores better for retirees than 18% of Iowa towns and quieter than 64%. 14.9% of residents are 65 or older (median age 34.4).
How much does a house cost in Grand Mound?
The median owner-occupied home in Grand Mound is valued at $145,200 (Census ACS 2020–2024), against a median household income of $82,143, so homes cost about 1.8 times income. Median rent is $763 a month.
What is the weather like in Grand Mound?
July highs average 85.2°F and January lows 11.6°F (NOAA 1991–2020 normals). It gets about 39.6 inches of precipitation a year and 28.7 inches of snow.
Does Grand Mound get tornadoes?
31 tornadoes have passed within 10 miles of Grand Mound since 1950 (NOAA Storm Events); the strongest was a F3 on May 8, 1988. The typical Iowa town has had 24.
- 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)