Iowa Gazetteer
Also See Dewitt, IA: ZIP Codes & Maps
The City of DeWitt had a population of 5,514 as of July 1, 2025.
The primary coordinate point for DeWitt is located at latitude 41.8234 and longitude -90.5382 in Clinton County. The formal boundaries for the City of DeWitt encompass a land area of 5.99 sq. miles and a water area of 0 sq. miles. Clinton County is in the Central time zone (GMT -6).
The City of DeWitt 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 DeWitt is located within Township of DeWitt, a minor civil division (MCD) of Clinton County.
POPULATION | |
|---|---|
| Total Population | 5,514 (100%) |
| Population in Households | 5,412 (98.2%) |
| Population in Families | 4,204 (76.2%) |
| Population in Group Quarters1 | 102 ( 1.8%) |
| Population Density | 886 |
| Diversity Index2 | 21 |
INCOME | |
| Median Household Income | $79,473 |
| Average Household Income | $123,445 |
| % of Income for Mortgage4 | 20% |
| Per Capita Income | $51,086 |
| Wealth Index5 | 114 |
| Socioeconomic Status Index6 | Moderate (58.3) |
HOUSING | |
|---|---|
| Total HU (Housing Units) | 2,431 (100%) |
| Owner Occupied HU | 1,681 (69.1%) |
| Renter Occupied HU | 598 (24.6%) |
| Vacant Housing Units | 152 ( 6.3%) |
| Median Home Value | $249,337 |
| Average Home Value | $297,289 |
| Housing Affordability Index3 | 110 |
HOUSEHOLDS | |
| Total Households | 2,279 |
| Average Household Size | 2.37 |
| Family Households | 1,406 |
| Average Family Size | 3.00 |
GROWTH RATE / YEAR |
2020-2025 | 2025-2030 |
|---|---|---|
| Population | 0.00% | -0.14% |
| Households | 0.11% | -0.11% |
| Families | -0.04% | |
| Median Household Income | 2.11% | |
| Per Capita Income | 1.41% | |
| Owner Occupied HU | 0.15% |
The table below compares DeWitt 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 | # 76 | 93rd |
| Population Density | # 334 | 68th |
| Median Household Income | # 412 | 60th |
| Housing Affordability Index | # 439 | 43rd |
| Per Capita Income | # 154 | 85th |
| Diversity Index | # 342 | 67th |
Additional comparisons and rankings can be made with a VERY EASY TO USE Iowa Census Data Comparison Tool.
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