Also See Dike, IA: ZIP Codes & Maps
The City of Dike had a population of 1,338 as of July 1, 2025.
The primary coordinate point for Dike is located at latitude 42.4641 and longitude -92.6283 in Grundy County. The formal boundaries for the City of Dike encompass a land area of 1.4 sq. miles and a water area of 0 sq. miles. Grundy County is in the Central time zone (GMT -6).
The City of Dike 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 Dike is located within Township of Grant, a minor civil division (MCD) of Grundy County.
POPULATION | |
|---|---|
| Total Population | 1,338 (100%) |
| Population in Households | 1,338 (100.0%) |
| Population in Families | 1,131 (84.5%) |
| Population in Group Quarters1 | 0 |
| Population Density | 963 |
| Diversity Index2 | 15 |
INCOME | |
| Median Household Income | $94,779 |
| Average Household Income | $112,580 |
| % of Income for Mortgage4 | 16% |
| Per Capita Income | $43,753 |
| Wealth Index5 | 119 |
| Socioeconomic Status Index6 | Moderate (58.6) |
HOUSING | |
|---|---|
| Total HU (Housing Units) | 541 (100%) |
| Owner Occupied HU | 471 (87.1%) |
| Renter Occupied HU | 49 ( 9.1%) |
| Vacant Housing Units | 21 ( 3.9%) |
| Median Home Value | $248,171 |
| Average Home Value | $283,365 |
| Housing Affordability Index3 | 133 |
HOUSEHOLDS | |
| Total Households | 520 |
| Average Household Size | 2.57 |
| Family Households | 379 |
| Average Family Size | 3.00 |
GROWTH RATE / YEAR |
2020-2025 | 2025-2030 |
|---|---|---|
| Population | 0.49% | -0.62% |
| Households | 0.00% | -0.43% |
| Families | -0.86% | |
| Median Household Income | 1.40% | |
| Per Capita Income | 2.34% | |
| Owner Occupied HU | -0.47% |
The table below compares Dike 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 | # 228 | 78th |
| Population Density | # 287 | 72nd |
| Median Household Income | # 178 | 83rd |
| Housing Affordability Index | # 645 | 63rd |
| Per Capita Income | # 385 | 63rd |
| Diversity Index | # 558 | 46th |
Additional comparisons and rankings can be made with a VERY EASY TO USE Iowa Census Data Comparison Tool.
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