Southwest, Pennsylvania
Southwest: unincorporated community in Westmoreland County, Pennsylvania
About
Southwest is a city located in the county of Westmoreland in the U.S. state of Pennsylvania. Its population at the 2010 census was 527. After 10 years in 2020 city had an estimated population of 489 inhabitants.
Quick Facts about Southwest
| Population | 489 (2020) |
| Country | United States of America |
| State | Pennsylvania (United States) |
| County | Westmoreland County |
| Latitude & Longitude | 40.1990,-79.5209 |
| Time Zone | America/New_York |
| Local time | 11:06:33 (19th April 2026) |
| Population growth | -7.77% (2010-2020) |
| Weather | 53℉ Partly Sunny 7-days weather |
Geography
Southwest is located at 40°11'56"N 79°31'15"W (40.1989600, -79.5208700).
Southwest map
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Weather
Partly sunny, with a high near 53. West wind 12 to 18 mph, with gusts as high as 29 mph. New rainfall amounts less than a tenth of an inch possible.
7-Day ForecastDemographics
According to census records, the population of Southwest decreased by 7.77% in 10 years.
| Year | Population | % Change | Method |
|---|---|---|---|
| 2010 | 527 | - | census |
| 2011 | 525 | -0.38% | estimation process |
| 2012 | 521 | -0.77% | estimation process |
| 2013 | 517 | -0.77% | estimation process |
| 2014 | 513 | -0.78% | estimation process |
| 2015 | 509 | -0.79% | estimation process |
| 2016 | 505 | -0.79% | estimation process |
| 2017 | 500 | -1% | estimation process |
| 2018 | 498 | -0.4% | estimation process |
| 2019 | 495 | -0.61% | estimation process |
| 2020 | 489 | -1.23% | estimation process |
Nearby Schools and Colleges
Schools and campuses linked to Southwest, PA. Select a name to open its map and contact details.
| Code | Name | City | ZIP |
|---|---|---|---|
| 216825 | Westmoreland County Community College | Youngwood (PA) | 15697-1895 |
Nearby Transit Stations (10)
Rail and bus stations connected to Southwest, PA. Select a station to open its map and address details.
| Code | Name | Address | Type |
|---|---|---|---|
| GNB | Greensburg | Harrison Ave. and Seton Hill Dr. | RAIL |
| LAB | Latrobe station | 329 McKinley Ave | RAIL |
| COV | Connellsville station | North Water Street and West Peach Street | RAIL |
| PGH | Union Station | 1100 Liberty Avenue | RAIL |
| JST | Johnstown | 47 Walnut Street | RAIL |
Closest post offices linked to Southwest.
| Post Office Name | City | ZIP |
|---|---|---|
| Southw Post Office | Southwest (PA) | 15685 |
Other cities in Westmoreland County
Cities, towns, neighborhoods & other populated places in Westmoreland County , PA. (more)
| City Name | Population | Title |
|---|---|---|
| Murrysville | 20,134 | Municipality in Westmoreland County, Pennsylvania |
| Greensburg | 14,082 | City and county seat of Westmoreland County, Pennsylvania |
| New Kensington | 12,188 | City in Westmoreland County, Pennsylvania, United States |
| Lower Burrell | 10,997 | City of Pennsylvania |
| Jeannette | 9,000 | City in Pennsylvania |
| Latrobe | 7,767 | City in Pennsylvania |
| Monessen | 7,176 | City in Pennsylvania |
| Vandergrift | 4,832 | Borough of Pennsylvania |
| Arnold | 4,790 | City of Pennsylvania |
| Scottdale | 4,060 | Borough of Pennsylvania |
| Irwin | 3,716 | Borough of Pennsylvania |
| Manor | 3,322 | Borough in Pennsylvania |
| Fulton | 3,168 | Township in Lancaster County, Pennsylvania |
| Trafford | 2,908 | Borough of Pennsylvania |
| Youngwood | 2,828 | City in Westmoreland County, Pennsylvania, United States of America |
| Delmont | 2,501 | City in Douglas County, South Dakota, United States |