Also See Middletown, IA: ZIP Codes & Maps
The City of Middletown had a population of 332 as of July 1, 2025.
The primary coordinate point for Middletown is located at latitude 40.8284 and longitude -91.259 in Des Moines County. The formal boundaries for the City of Middletown encompass a land area of 0.61 sq. miles and a water area of 0 sq. miles. Des Moines County is in the Central time zone (GMT -6).
The City of Middletown has a C5 Census Class Code which indicates an active incorporated place that is independent of any county subdivision and serves 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 Middletown is located within , a minor civil division (MCD) of Des Moines County.
POPULATION | |
|---|---|
| Total Population | 332 (100%) |
| Population in Households | 332 (100.0%) |
| Population in Families | 262 (78.9%) |
| Population in Group Quarters1 | 0 |
| Population Density | 605 |
| Diversity Index2 | 22 |
INCOME | |
| Median Household Income | $97,363 |
| Average Household Income | $111,199 |
| % of Income for Mortgage4 | 13% |
| Per Capita Income | $46,556 |
| Wealth Index5 | 96 |
| Socioeconomic Status Index6 | Moderate (60.2) |
HOUSING | |
|---|---|
| Total HU (Housing Units) | 151 (100%) |
| Owner Occupied HU | 121 (80.1%) |
| Renter Occupied HU | 18 (11.9%) |
| Vacant Housing Units | 12 ( 7.9%) |
| Median Home Value | $206,481 |
| Average Home Value | $309,277 |
| Housing Affordability Index3 | 159 |
HOUSEHOLDS | |
| Total Households | 139 |
| Average Household Size | 2.39 |
| Family Households | 92 |
| Average Family Size | 3.00 |
GROWTH RATE / YEAR |
2020-2025 | 2025-2030 |
|---|---|---|
| Population | -1.69% | -0.73% |
| Households | -0.41% | -0.14% |
| Families | 1.68% | |
| Median Household Income | 1.87% | |
| Per Capita Income | 3.94% | |
| Owner Occupied HU | 0.00% |
The table below compares Middletown 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 | # 554 | 46th |
| Population Density | # 523 | 49th |
| Median Household Income | # 157 | 85th |
| Housing Affordability Index | # 849 | 83rd |
| Per Capita Income | # 261 | 75th |
| Diversity Index | # 277 | 73rd |
Additional comparisons and rankings can be made with a VERY EASY TO USE Iowa Census Data Comparison Tool.
Also See: Nearby Hotels | Driving Directions