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Triadelphia, WV Profile: Facts & Data

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Triadelphia, West Virginia - Basic Facts

The Town of Triadelphia had a population of 649 as of July 1, 2025.

The primary coordinate point for Triadelphia is located at latitude 40.0526 and longitude -80.6284 in Ohio County. The formal boundaries for the Town of Triadelphia encompass a land area of 0.67 sq. miles and a water area of 0 sq. miles. Ohio County is in the Eastern time zone (GMT -5).

The Town of Triadelphia 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 Town of Triadelphia is located within District 1, a minor civil division (MCD) of Ohio County.


Jump to... (On This Page!)
  1. Triadelphia 2025 Demographic Data
  2. Growth Rates for Triadelphia (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. West Virginia Research Tools (Easy Tools & Current Data)
  3. West Virginia Data Comparison Tool - 2025 Demographics
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Triadelphia, WV Data & Demographics (As of July 1, 2025)

POPULATION

Total Population 649 (100%)
Population in Households 649 (100.0%)
Population in Families 508 (78.3%)
Population in Group Quarters1 0
Population Density 963
Diversity Index2 12
 
 

INCOME

Median Household Income $89,178
Average Household Income $119,233
% of Income for Mortgage4 18%
Per Capita Income $53,646
Wealth Index5 107
Socioeconomic Status Index6 Moderate (53.3)
 

HOUSING

Total HU (Housing Units) 369 (100%)
Owner Occupied HU 214 (58.0%)
Renter Occupied HU 78 (21.1%)
Vacant Housing Units 77 (20.9%)
Median Home Value $254,545
Average Home Value $288,692
Housing Affordability Index3 133
 

HOUSEHOLDS

Total Households 292
Average Household Size 2.22
Family Households 177
Average Family Size 3.00
NOTES
  1. Group Quarters - a place where people live or stay in a group living arrangement. Includes college residents halls, nursing facilities, military barracks, and correctional facilities.
  2. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different races or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.
  3. The Housing Affordability Index base is 100 and represents a balance point where a resident with a median household income can normally qualify to purchase a median price home. Values above 100 indicate increased affordability, while values below 100 indicate decreased affordability.
  4. The % of Income for Mortgage quantifies the percentage of median household income dedicated to mortgage payments on a home priced at the median value (assuming a 30-year mortgage and a 20% down payment).
  5. The Wealth Index is based on a number of indicators of affluence including average household income and average net worth, but it also includes the value of material possessions and resources. It represents the wealth of the area relative to the national level. Values above or below 100 represent above-average wealth or below-average wealth compared to the national level.
  6. The Socioeconomic Index ranges from zero (lowest relative status) to 100 (highest relative status). This measure quantifies disparities in social position of an area's inhabitants and is built from a broad range of demographic, housing, and socioeconomic inputs. More information on this measure can be found in Esri's SEI tutorial.

GROWTH RATE / YEAR

 2020-2025 2025-2030
Population -0.58% -0.59%
Households -0.76% -0.41%
Families   0.56%
Median Household Income   1.96%
Per Capita Income   2.84%
Owner Occupied HU   -1.05%

Triadelphia, WV - Peer Comparisons by Rank and Percentile

The table below compares Triadelphia to the other 439 incorporated cities, towns and CDPs in West Virginia 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 # 188 57th
Population Density # 156 65th
Median Household Income # 17 96th
Housing Affordability Index # 194 44th
Per Capita Income # 4 99th
Diversity Index # 283 36th

Additional comparisons and rankings can be made with a VERY EASY TO USE West Virginia Census Data Comparison Tool.

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