Town · West Virginia
Triadelphia, West Virginia
Triadelphia, town, in Ohio County, West Virginia. Triadelphia had 651 residents on July 1, 2025 by the Census Bureau's estimate, down 5.0% since 2020; the 2020 Census counted 669 and the ACS 2020-2024 5-year estimates put it at 825 (±219). GEOID 5480932.
Residents, July 2025 estimate
651
Census Bureau estimate (no margin published)
2020 Census count: 669 · ACS 2020-2024: 825 ±219
Median household income
$48,281
±$10,603 (90% margin)
West Virginia: $59,608
Median home value
$93,600
±$11,348 (90% margin)
West Virginia: $162,600
Median gross rent
$714
±$63 (90% margin)
West Virginia: $872
Where is Triadelphia and what county is it in?
Triadelphia is a town in Ohio County, West Virginia. It covers 0.7 square miles of land, 993 residents per square mile in 2020.
Triadelphia is in the Wheeling, WV-OH metropolitan statistical area, which takes in 3 counties (Census Bureau delineation, July 2023).
Source: 2024 Gazetteer and 2020 place-by-county files, U.S. Census Bureau · Census reference files
How many people live in Triadelphia, and is it growing?
The Census Bureau estimates that 651 people lived in Triadelphia on July 1, 2025, down 5.0% since 2020, a steeper fall than West Virginia's (−1.5%). The 2020 Census counted 669 residents. The 2020-2024 American Community Survey, a five-year sample, puts the population at 825 (±219).
| Measure | Triadelphia | Ohio County | Change since 2015-2019 |
|---|---|---|---|
| Total population | 825 ±219 | 41,582 | no clear change |
| Households | 389 ±111 | 18,342 | no clear change |
| Average household size | 2.12 ±0.24 | 2.15 | no clear change |
| Housing units | 444 ±113 | 21,120 | no clear change |
Triadelphia's population since 2000
From 817 in 2000 to 651 in 2025: down 20.3%. The 2000, 2010 and 2020 figures are census counts, each for Triadelphia as it was drawn that year: a place that annexed land, or a community that has since incorporated, covered a different area then. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.
Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); Census PEP Vintage 2025 (SUB-EST2025, CO-EST2025); 2020 Census P.L. 94-171 · Check it at data.census.gov
Who lives in Triadelphia?
The median resident of Triadelphia is 45.0 years old; 9.6% are under 18 and 22.3% are 65 or older. The largest group is non-Hispanic white residents at 90.1%, then Hispanic or Latino residents (of any race) at 8.8%.
| Measure | Triadelphia | Ohio County | Change since 2015-2019 |
|---|---|---|---|
| Median age | 45.0 ±8.0 | 42.7 | no clear change |
| Under 18 years | 9.6% ±4.2 pts | 19.4% | – |
| 65 years and over | 22.3% ±8.4 pts | 22.8% | – |
| Male | 51.5% ±7.6 pts | 48.8% | – |
| Hispanic or Latino (any race) | 8.8% ±11.4 pts | 1.7% | – |
| White alone, not Hispanic | 90.1% ±11.5 pts | 89.8% | no clear change |
| Black or African American alone, not Hispanic | 0.0% ±4.4 pts | 3.3% | – |
| Asian alone, not Hispanic | 0.0% ±4.4 pts | 0.5% | – |
| American Indian and Alaska Native alone, not Hispanic | 0.0% ±4.4 pts | 0.1% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0% ±4.4 pts | 0.0% | – |
| Two or more races, not Hispanic | 1.1% ±1.3 pts | 4.5% | – |
| Some other race alone, not Hispanic | 0.0% ±4.4 pts | 0.1% | – |
| Born outside the United States | 3.5% ±4.4 pts | 2.5% | – |
| Speak a language other than English at home (age 5+) | 5.3% ±6.6 pts | 3.7% | – |
| Civilian veterans (age 18+) | 6.6% ±4.0 pts | 6.9% | – |
| With a disability | 19.0% ±7.6 pts | 16.4% | – |
| No health insurance coverage | 7.9% ±5.8 pts | 5.1% | – |
| High school graduate or higher (age 25+) | 73.0% ±10.9 pts | 92.7% | – |
| Bachelor's degree or higher (age 25+) | 12.2% ±6.4 pts | 33.9% | no clear change |
| Graduate or professional degree (age 25+) | 7.0% ±4.4 pts | 14.3% | – |
| Lived in the same house a year earlier | 84.0% ±8.6 pts | 87.7% | – |
| Moved from another state in the past year | 1.5% ±1.2 pts | 3.7% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov
What do households in Triadelphia earn?
Half of Triadelphia's 389 households earn less than $48,281 a year (±$10,603), against $57,094 in Ohio County and $59,608 in West Virginia. In 2015-2019 it was $63,938 in 2024 dollars; the margins of error cannot tell the two periods apart. 26.9% of residents live below the poverty line.
| Measure | Triadelphia | Ohio County | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $48,281 ±$10,603 | $57,094 | no clear change |
| Mean household income | $60,082 ±$11,922 | $85,503 | – |
| Per capita income | $27,800 ±$5,370 | $38,134 | no clear change |
| People below the poverty line | 26.9% ±14.9 pts | 17.7% | no clear change |
| Children under 18 below the poverty line | 36.7% ±40.1 pts | 21.8% | – |
| Households receiving SNAP | 18.0% ±10.4 pts | 18.5% | – |
| Households with a computer | 87.4% ±9.5 pts | 89.5% | – |
| Households with a broadband subscription | 82.3% ±10.0 pts | 86.6% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What does housing cost in Triadelphia?
Owners occupy 54.5% of Triadelphia's occupied homes and renters 45.5%. The median owner-occupied home is valued at $93,600 by its owner (±$11,348). The median renter pays $714 a month including utilities, and 40.6% of renters pay 35% or more of their income on rent.
| Measure | Triadelphia | Ohio County | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $93,600 ±$11,348 | $166,000 | no clear change |
| Median gross rent | $714 ±$63 | $821 | −$444 |
| Renters paying 35% or more of income on rent | 40.6% ±22.8 pts | 45.6% | – |
| Median monthly owner costs, with a mortgage | $900 ±$306 | $1,209 | – |
| Owner-occupied homes | 54.5% ±15.2 pts | 66.4% | no clear change |
| Renter-occupied homes | 45.5% ±15.2 pts | 33.6% | – |
| Housing units | 444 ±113 | 21,120 | no clear change |
| Homeowner vacancy rate | 7.0% ±8.1 pts | 0.7% | – |
| Rental vacancy rate | 2.2% ±4.1 pts | 5.8% | – |
| Single-family detached homes | 45.5% ±13.2 pts | 66.7% | – |
| Mobile homes | 21.4% ±10.9 pts | 2.7% | – |
| Built 2020 or later | 0.0% ±8.1 pts | 0.3% | – |
| Built 2010 to 2019 | 4.1% ±4.6 pts | 5.3% | – |
| Built 1939 or earlier | 22.3% ±8.8 pts | 32.9% | – |
| Households with no vehicle | 17.2% ±12.4 pts | 12.0% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov
How many new homes is Triadelphia building?
Builders took permits for 0 new housing units in Triadelphia in 2025 (0 in single-family houses), 0.0 per 1,000 residents against 2.2 across West Virginia.
Counts of units in permits a local office issued; not every permitted unit is built. A year marked with months was reported for part of the year.
Source: Building Permits Survey, annual place files 2019-2025, U.S. Census Bureau · Census Building Permits Survey
How do people in Triadelphia work and get to work?
90.5% of Triadelphia's workers drive alone. The average trip to work takes 17.1 minutes.
| Measure | Triadelphia | Ohio County | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 53.4% ±12.3 pts | 58.0% | – |
| Unemployment rate | 5.4% ±6.3 pts | 6.0% | – |
| Drove alone to work | 90.5% ±6.7 pts | 79.2% | – |
| Carpooled | 0.5% ±0.8 pts | 6.5% | – |
| Public transportation | 0.0% ±9.2 pts | 1.4% | – |
| Walked | 1.5% ±1.7 pts | 4.7% | – |
| Worked from home | 3.1% ±3.1 pts | 6.4% | – |
| Mean travel time to work | 17.1 min ±3.4 | 21.1 min | no clear change |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What census tracts are in Triadelphia?
No census tract lies mostly in Triadelphia; 3 tracts reach into it (2020 census blocks).
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 block assignment files (tract share = share of the tract's census blocks in Triadelphia) · Census block assignment files
How does Triadelphia compare with other places in West Virginia?
By the Census Bureau's July 2025 estimates, Triadelphia is the 12,135th-most populous of the 19,476 U.S. incorporated places that have one and the 134th-most populous of 230 in West Virginia.
Triadelphia is not ranked by income or the other survey measures: those rankings include places of 1,000 or more residents (2020 Census) with a reliable estimate.
| Measure | Rank | Of |
|---|---|---|
| Population, July 2025 estimate | 134th | 230 |
Triadelphia's figures with every place in West Virginia (CSV)
Every place in West Virginia, sortable · Compare Triadelphia with other places
Source: PlainCities ranks computed from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed
How reliable are the figures for Triadelphia?
22 of the 57 figures for Triadelphia on this page carry a coefficient of variation over 40% and are marked with a ring: they come from a small sample, so read them as rough.
The American Community Survey samples about one household in eight over five years, so every figure is an estimate with a 90% margin of error (shown under each value). A ring marks an estimate whose coefficient of variation is over 40%. A change is called only when the gap between the two periods is larger than their combined 90% margin (the square root of the sum of the two squared margins), the Census Bureau's test. How to read a margin of error.
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026): margins of error as published · ACS technical documentation
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections
Not on this page: crime, weather and schools for Triadelphia are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' public schools in Triadelphia.