Iowa Gazetteer
Also See Fontanelle, IA: ZIP Codes & Maps
The City of Fontanelle had a population of 678 as of July 1, 2025.
The primary coordinate point for Fontanelle is located at latitude 41.2897 and longitude -94.5616 in Adair County. The formal boundaries for the City of Fontanelle encompass a land area of 0.96 sq. miles and a water area of 0 sq. miles. Adair County is in the Central time zone (GMT -6).
The City of Fontanelle has a C1 Census Class Code which indicates an active incorporated place that does not serve as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.
The City of Fontanelle is located within Township of Summerset, a minor civil division (MCD) of Adair County.
POPULATION | |
|---|---|
| Total Population | 678 (100%) |
| Population in Households | 636 (93.8%) |
| Population in Families | 524 (77.3%) |
| Population in Group Quarters1 | 42 ( 6.2%) |
| Population Density | 792 |
| Diversity Index2 | 13 |
INCOME | |
| Median Household Income | $67,295 |
| Average Household Income | $94,432 |
| % of Income for Mortgage4 | 10% |
| Per Capita Income | $37,275 |
| Wealth Index5 | 85 |
| Socioeconomic Status Index6 | Moderate (62.2) |
HOUSING | |
|---|---|
| Total HU (Housing Units) | 313 (100%) |
| Owner Occupied HU | 229 (73.2%) |
| Renter Occupied HU | 37 (11.8%) |
| Vacant Housing Units | 47 (15.0%) |
| Median Home Value | $111,513 |
| Average Home Value | $189,651 |
| Housing Affordability Index3 | 199 |
HOUSEHOLDS | |
| Total Households | 266 |
| Average Household Size | 2.39 |
| Family Households | 176 |
| Average Family Size | 3.00 |
GROWTH RATE / YEAR |
2020-2025 | 2025-2030 |
|---|---|---|
| Population | 0.06% | -0.30% |
| Households | -0.14% | -0.38% |
| Families | -1.89% | |
| Median Household Income | -0.63% | |
| Per Capita Income | 2.04% | |
| Owner Occupied HU | 0.17% |
The table below compares Fontanelle to the other 1,026 incorporated cities, towns and CDPs in Iowa by rank and percentile using July 1, 2025 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.
| Variable Description | Rank | Percentile |
|---|---|---|
| Total Population | # 390 | 62nd |
| Population Density | # 394 | 62nd |
| Median Household Income | # 710 | 31st |
| Housing Affordability Index | # 964 | 94th |
| Per Capita Income | # 661 | 36th |
| Diversity Index | # 662 | 36th |
Additional comparisons and rankings can be made with a VERY EASY TO USE Iowa Census Data Comparison Tool.
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