States · Pennsylvania · Westmoreland County

Arnold, Pennsylvania.

Typical home $82,797 (-19.2% in a year), asking rent $1,048 . Pittsburgh, PA metro.

What it costs per month · Arnold $435/mo

to buy the typical home at today's mortgage rate — +$233 (+116%) since Jan 2020.

What the home itself did
1 year
Down $19,718 -19%
$102,515$82,797 since Sep 2025
5 years
Up $12,474 +18%
$70,323$82,797 since Sep 2021

Monthly payment to buy the typical home

Home value × that month's 30-year mortgage rate, 20% down, principal and interest. This is the line households feel: prices and rates compound each other.

$500 $1,000 $1,500 $2,000 2002 2006 2010 2014 2018 2022 2026 Arnold $435 Pennsylvania $1,507 United States $1,922
$500 $1,000 $1,500 $2,000 2002 2010 2018 2026
  • Arnold$435
  • Pennsylvania$1,507
  • United States$1,922

At the last five years' pace, a typical home here doubles in price every 21 years.

Typical home values in Arnold, PA fell 19.2% over the past year — slower than the nation's +1.2%.

Living in Arnold, Westmoreland County, Pennsylvania

Arnold is a city of 4,772 people in Westmoreland County. 60% of its homes are lived in by their owners and 40% are rented. Unemployment in Westmoreland County was 3.9% in August 2026, and the county had 0.3% fewer jobs in 2025 than the year before. The most residents work in schools and health care, then shops.

People 4,772 in the 2020 census; median age 40.6
Household income Too few homes in Arnold for the Census survey to measure.
Unemployment 3.9% Westmoreland County, August 2026; 5.0% a year before
Homes 60% lived in by their owners; 40% rented

Written by AI Claude Sonnet 5.5 wrote this on 23 October 2026 from the figures here, a list of nearby places and what it knows. It can be wrong or out of date.

What it’s like

The place. Arnold is a small city on the Allegheny River side of Westmoreland County, with a population that has settled into middle age. Most homes are lived in by their owners, and typical home values are well below what many buyers expect to pay elsewhere. Household incomes run below the county's, and poverty is more common here than in many places, so the town's budget-minded character shows in everyday life. Winters are cold, with January highs a little above freezing and lows well below it, while July brings warm summer days, and the year's rain and melted snow add up to a fairly wet climate.

Work. Residents work mostly in schools, hospitals and social care, in shops, in manufacturing and in professional and business services. Several of the town's largest workplaces are industrial, among them Smithfield Packaging, which makes processed meats, OPTA-Affival, a ferroalloy producer, and Simpson Reinforcing, which makes prefabricated metal sections. Fewer adults hold a four-year degree than in many places, commutes are of ordinary length, and some people work from home. Unemployment across the county has eased compared with a year earlier, though the number of jobs there slipped slightly last year.

Things to do. The Ohio River, the Allegheny River and the Monongahela River are each a river a longer drive away. For a day out, the Carnegie Museum of Natural History and the Andy Warhol Museum are both museums reached by a longer drive. Acrisure Stadium, a stadium, is also a longer drive from town.

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  • 2,189households
  • 18%of adults have a degree
  • 26%below the poverty line
  • 26 mintypical commute
  • 12%work from home

What residents work in

  • Schools, hospitals and social care26%
  • Shops (retail)15%
  • Manufacturing12%
  • Professional and business services11%
  • Restaurants, hotels and entertainment9%
  • Other services7%

Employed residents by industry, from the Census survey. Westmoreland County had 128,972 jobs in 2025, 0.3% fewer than the year before (Bureau of Labor Statistics).

Weather through the year

Average daily high and low for each month: coldest in January, 36° and 20°; warmest in July, 83° and 63° 20° 40° 60° 80° J 36° 20° F M A M J J 83° 63° A S O N D
Average daily high and low for each month: coldest in January, 36° and 20°; warmest in July, 83° and 63° 20° 40° 60° 80° J 36° 20° F M A M J J 83° 63° A S O N D

Coldest in January, with highs near 36° and lows near 20°; warmest in July, with highs near 83° and lows near 63°. About 42 inches of rain and melted snow a year.

Average daily high and low, 1991–2020, at the Natrona Lock weather station, 3 miles away (NOAA).

Largest workplaces in Arnold

  1. Smithfield PackagingProcessed meats manufacturing163
  2. OPTA-AffivalElectrometallurgical ferroalloy manufacturing56
  3. Simpson ReinforcingShip sections, prefabricated metal, manufacturing53
  4. Khor BuyerIndustrial equipment and machinery repair and maintenance services20

Staff on average in 2025, as each workplace reported it to OSHA with its injury records: 4 workplaces with 20 or more staff, 292 people in all. Not listed: many offices and banks, which need not report to OSHA; military bases, whose staff OPM withholds; and, in about half the states, city and county governments.

Natural hazards

FEMA rates every natural hazard here relatively low or very low.

FEMA’s National Risk Index (December 2025) rates the risk each natural hazard poses to the people, buildings and farms in Arnold’s census tracts, against the rest of the country; all of them together, very low. It is meant for planning, not a substitute for a local risk assessment or a flood map: FEMA’s index.

From the U.S. Census Bureau’s 2020 census and its American Community Survey (2020–2024 five-year estimates), and the Bureau of Labor Statistics. A survey, so each figure has a margin of error, and figures it is not sure of are left out. More on Westmoreland County and the Pittsburgh, PA metro.

Arnold home values

Zillow measures a city over its municipal boundary. Against the state and national figures, mid-tier homes, smoothed and seasonally adjusted.

$100,000 $200,000 $300,000 2018 2020 2022 2024 2026 Arnold $82,797 Pennsylvania $287,078 United States $366,157
$100,000 $200,000 $300,000 2018 2022 2026
  • Arnold$82,797
  • Pennsylvania$287,078
  • United States$366,157

Sellers are cutting prices on about 1 in 4 Arnold listings — the market is cooling.

When this market ran hot

Each cell is that month's year-on-year home-value growth. Read left to right, top row is the latest year — the 2021–22 band is the boom.

JFMAMJJASOND
2026
2025
2024
2023
2022
2021
2020
2019
2018
falling flat warming hot overheating runaway

Market heat, inside the city limits

Share of listings with a price cut

The early-warning dial: sellers cut when buyers stop reaching. Rising cuts cool a market months before prices notice.

10% 20% 30% 2025 2026 Arnold 23.74% United States 26.90%
10% 20% 30% 2025 2026
  • Arnold23.74%
  • United States26.90%

Homes for sale

Active for-sale inventory. More supply hands power to buyers.

10 20 30 2018 2019 2020 2021 2022 2023 2024 2025 2026 Arnold 29
10 20 30 2018 2022 2026
  • Arnold29

New listings per month

Sellers arriving at the market.

5 6 7 8 2026 Arnold 7
5 6 7 8 2026
  • Arnold7

Zip codes with a Arnold address

A different geography, not a breakdown. The figure above covers the municipality; these zips cover everywhere the Post Office calls Arnold — often including townships beyond the city limits. Both come straight from Zillow, and they are not expected to average out.

Zillow publishes no zip-level series with this city on the address.