Pennsylvania · Census place 4250408

Monongahela, Pennsylvania

Monongahela is a city in Washington County, Pennsylvania with an estimated 4,072 residents on July 1, 2024. It is the 254th largest of 597 incorporated places of 1,000+ people in the state.

Population 2024
4,072
#254 of 597 in Pennsylvania
Change since 2020
-1.8%
-75 people
Land area
1.9 sq mi
+ 0.17 sq mi water
Density
2,132 / sq mi
State median 3,911
Orange pin: Monongahela. Shaded: its county. Dark pin: Harrisburg.

Measure from here

Tools and pages that start from Monongahela

Monongahela population, 2020 to 2024

Monongahela lost 75 residents from July 2020 to July 2024, a change of -1.8%. In the latest year it moved by -19.

4,14720204,13120214,10620224,09120234,0722024
July 1 estimates. The April 2020 estimates base was 4,149. The axis starts above zero so yearly changes are visible.

Monongahela covers 1.91 square miles of land and 0.17 of water, for 2,132 people per square mile of land. The median Pennsylvania place of 5,000+ has 3,911, so Monongahela is less dense than the typical town.

What county Monongahela is in

All of Monongahela's residents live in Washington County, which had 210,434 residents in 2024. Monongahela holds 1.9% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Monongahela

1 ZIP Code Tabulation Area (ZCTA) overlaps Monongahela by at least 10% of the ZCTA's or the city's land: 15063. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a city that annexed land after 2020 may reach into ZIP codes not listed here.

Where Monongahela is

The Census internal point of Monongahela is at 40.191200, -79.922500. Harrisburg, the capital, is 160.4 miles E in a straight line. The nearest larger place is Donora, PA (4,482 people), 3.3 miles away. The nearest city of 100,000 or more is Pittsburgh, PA, 17.4 miles away.

Internal point

Decimal
40.191200, -79.922500
DMS
40°11'28.32"N 79°55'21.00"W
UTM
17N 591718.9E 4449535.5N
Geohash
dpphtkd4w
Plus code
87G253RG+FX

Daylight in Monongahela

At 40.19° N, Monongahela gets about 15 h 02 min of daylight around the June solstice and 9 h 18 min around the December solstice, a swing of 5 h 44 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Monongahela

The eight nearest incorporated places of 1,000+ in Pennsylvania, measured between internal points. The closest is New Eagle, 2.0 miles away, with 2,018 people.

Questions people ask

What is the population of Monongahela, PA?

4,072 on July 1, 2024, in the Census Vintage 2024 estimates. That is down 75 (1.8%) from 4,147 in July 2020.

What county is Monongahela in?

Washington County. All of its residents live in that county.

What ZIP codes cover Monongahela?

1 ZIP Code Tabulation Area overlaps it by at least 10% of either area: 15063.

How far is Monongahela from Harrisburg?

160.4 miles (258.1 km) in a straight line, heading E from Monongahela.

What is the nearest larger city to Monongahela?

Donora, PA, with 4,482 residents, 3.3 miles away between internal points.

Sources and data as of

Data as of: Census Vintage 2024 subcounty estimates (July 1, 2024), 2024 Gazetteer places, 2020 ZCTA to place relationship file.

  1. 01Census Vintage 2024 subcounty population estimates
  2. 02Census 2024 Gazetteer, places
  3. 03Census 2020 ZCTA to place relationship file
  4. 04Census 2024 cartographic boundary file, counties (1:5,000,000)

How every number is computed: methodology. Spotted a wrong figure? Report an error.