Pennsylvania · Census place 4203088

Arnold, Pennsylvania

Arnold is a city in Westmoreland County, Pennsylvania with an estimated 4,657 residents on July 1, 2024. It is the 209th largest of 597 incorporated places of 1,000+ people in the state.

Population 2024
4,657
#209 of 597 in Pennsylvania
Change since 2020
-2.2%
-107 people
Land area
0.7 sq mi
+ 0.12 sq mi water
Density
6,379 / sq mi
State median 3,911
Orange pin: Arnold. Shaded: its county. Dark pin: Harrisburg.

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Arnold population, 2020 to 2024

Arnold lost 107 residents from July 2020 to July 2024, a change of -2.2%. In the latest year it moved by -15.

4,76420204,74020214,69720224,67220234,6572024
July 1 estimates. The April 2020 estimates base was 4,773. The axis starts above zero so yearly changes are visible.

Arnold covers 0.73 square miles of land and 0.12 of water, for 6,379 people per square mile of land. The median Pennsylvania place of 5,000+ has 3,911, so Arnold is denser than the typical town.

What county Arnold is in

All of Arnold's residents live in Westmoreland County, which had 350,935 residents in 2024. Arnold holds 1.3% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Arnold

1 ZIP Code Tabulation Area (ZCTA) overlaps Arnold by at least 10% of the ZCTA's or the city's land: 15068. 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 Arnold is

The Census internal point of Arnold is at 40.578900, -79.765300. Harrisburg, the capital, is 153.1 miles E in a straight line. The nearest larger place is New Kensington, PA (11,877 people), 0.8 miles away. The nearest city of 100,000 or more is Pittsburgh, PA, 14.7 miles away.

Internal point

Decimal
40.578900, -79.765300
DMS
40°34'44.04"N 79°45'55.08"W
UTM
17N 604499.5E 4492745.2N
Geohash
dppqbghtj
Plus code
87G2H6HM+HV

Daylight in Arnold

At 40.58° N, Arnold gets about 15 h 05 min of daylight around the June solstice and 9 h 16 min around the December solstice, a swing of 5 h 49 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Arnold

The eight nearest incorporated places of 1,000+ in Pennsylvania, measured between internal points. The closest is New Kensington, 0.8 miles away, with 11,877 people.

Questions people ask

What is the population of Arnold, PA?

4,657 on July 1, 2024, in the Census Vintage 2024 estimates. That is down 107 (2.2%) from 4,764 in July 2020.

What county is Arnold in?

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

What ZIP codes cover Arnold?

1 ZIP Code Tabulation Area overlaps it by at least 10% of either area: 15068.

How far is Arnold from Harrisburg?

153.1 miles (246.4 km) in a straight line, heading E from Arnold.

What is the nearest larger city to Arnold?

New Kensington, PA, with 11,877 residents, 0.8 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.