Triadelphia Population

2010–2026

644

2026 projection

5.8% since 2020 (decrease)

02004006008001K201020122014201620182020202220242026

Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.

Use the left and right arrow keys to inspect population observations.

Population by year

Population estimates for Triadelphia. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
2026644-71.08%
2025651-71.06%
2024658-30.45%
2023661-60.90%
2022667-81.19%
2021675-91.32%
2020684-729.52%
2019756-40.53%
2018760-30.39%
2017763-121.55%

Showing 10 of 17 years.

Triadelphia Demographics

45median age

Median age

Female46.3 yrs
Male43.6 yrs

Adults

746
184 seniors · 25%562 other adults

Sex

Female 48.5% · 400Male 51.5% · 425

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101

Race and ethnicity

Tap a square or a group below to highlight it.

Each square is about 1% of residents (roughly 8 people).

Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002

Triadelphia Income

$48,281median household income

Median household income

$48,281

Half of households earn more, half earn less

Median earnings

$35,292

Typical yearly pay for a worker 25 or older.

Poverty rate

26.9%

About 1 in 4 residents

U.S. Census Bureau, 2024 ACS 5-year estimates · Tables S1901, S1501, S1701

Triadelphia Marital Status

52% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married52%54%51%
Never married33%37%28%
Divorced8%8%9%
Widowed3%<1%6%
Separated4%1%7%

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201