Also See Piqua, OH: ZIP Codes & Maps
The City of Piqua had a population of 20,522 as of July 1, 2025.
The primary coordinate point for Piqua is located at latitude 40.1448 and longitude -84.2424 in Miami County. The formal boundaries for the City of Piqua encompass a land area of 11.63 sq. miles and a water area of 0.27 sq. miles. Miami County is in the Eastern time zone (GMT -5).
The City of Piqua has a C2 Census Class Code which indicates an active incorporated place legally coextensive with a county subdivision but treated as independent of any county subdivision. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.
POPULATION | |
|---|---|
| Total Population | 20,522 (100%) |
| Population in Households | 20,193 (98.4%) |
| Population in Families | 15,814 (77.1%) |
| Population in Group Quarters1 | 329 ( 1.6%) |
| Population Density | 1,560 |
| Diversity Index2 | 27 |
INCOME | |
| Median Household Income | $63,107 |
| Average Household Income | $72,535 |
| % of Income for Mortgage4 | 15% |
| Per Capita Income | $30,845 |
| Wealth Index5 | 50 |
| Socioeconomic Status Index6 | Moderate (45.6) |
HOUSING | |
|---|---|
| Total HU (Housing Units) | 9,387 (100%) |
| Owner Occupied HU | 5,460 (58.2%) |
| Renter Occupied HU | 3,256 (34.7%) |
| Vacant Housing Units | 671 ( 7.1%) |
| Median Home Value | $148,341 |
| Average Home Value | $215,272 |
| Housing Affordability Index3 | 148 |
HOUSEHOLDS | |
| Total Households | 8,716 |
| Average Household Size | 2.32 |
| Family Households | 5,284 |
| Average Family Size | 3.00 |
GROWTH RATE / YEAR |
2020-2025 | 2025-2030 |
|---|---|---|
| Population | 0.12% | 0.14% |
| Households | 0.45% | 0.35% |
| Families | 0.27% | |
| Median Household Income | 1.68% | |
| Per Capita Income | 1.97% | |
| Owner Occupied HU | 0.76% |
The table below compares Piqua to the other 1,265 incorporated cities, towns and CDPs in Ohio 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 | # 83 | 94th |
| Population Density | # 413 | 67th |
| Median Household Income | # 833 | 34th |
| Housing Affordability Index | # 1022 | 81st |
| Per Capita Income | # 939 | 26th |
| Diversity Index | # 380 | 70th |
Additional comparisons and rankings can be made with a VERY EASY TO USE Ohio Census Data Comparison Tool.
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