What city is ZIP code 15666 in?

15666 is in Mount Pleasant, PA.

What county is 15666 in?

15666 is in Westmoreland County.

What is the median household income in 15666?

The median household income in 15666 is $64,943.

Which ZIP codes are near 15666?

Use the radius tool on this page to list ZIP codes within a chosen distance of 15666.

ZIP code

15666

Mount Pleasant, PA

STANDARD

15666 covers Mount Pleasant in Westmoreland County, with 15,420 people in the ACS 2023 estimate.

Figures are for the Census ZIP Code Tabulation Area (ZCTA), which is not the same as a USPS ZIP code. A PO Box or unique ZIP may have no ZCTA and no demographics. Methodology

ACS 2023 population

15,420

Median household income

$64,943

Median home value

$154,700

U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: ZCTA 15666. Methodology

ZIP code map of 15666

Census ZCTA boundary for ZIP 15666 in Mount Pleasant, Pennsylvania. A ZCTA is not the same as a USPS ZIP code. Boundaries: U.S. Census Bureau. Methodology · Data sources

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About ZIP code 15666

Type

STANDARD

City

Mount Pleasant

County

Westmoreland County

Timezone

America/New_York

Area codes

724, 878

Land area

53.3 sq mi

Water area

0.19 sq mi

Households

7,730

Median gross rent

$802

Acceptable cities: Mt Pleasant

More enterprise fields

Timezone

America/New_York

Area Codes

724, 878

World Region

Country

Commercial ZIP directory · not ACS

Commercial ZIP directory population_count for ZCTA 15666. Not ACS. Methodology

People in 15666

Race

White14,738
Black or African American144
American Indian or Alaska Native25
Asian47
Other race46
Two or more races585

Hispanic or Latino (any race): 180

Age

Under 101,479
10 to 191,597
20 to 291,518
30 to 391,715
40 to 491,824
50 to 592,349
60 to 692,564
70 to 791,632
80 and older907

Income and housing in 15666

Poverty rate

10.8%

Median earnings

$41,086

Median household income

$64,943

Median home value

$154,700

Median gross rent

$802

Education

High school graduate94.4%
Bachelor's degree22.6%
Graduate degree7.8%

Places covering 15666

Cities and places — Population overlap

Share of this ZIP/ZCTA’s population located within each place, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.

ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology

Counties — Population overlap

Share of this ZIP/ZCTA’s population located within each county, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.

Westmoreland County88.1%
Fayette County11.9%

ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology

61.2% of this ZIP is outside city limits (a real overlap row, not missing data).

Population history for 15666

IRS populationACS population

Hover the chart or read the table below (Year | ACS | IRS).

Population history. Year | ACS population | IRS population. ACS and IRS are separate series. Blank cells mean that source did not publish a count for the year.
Year	ACS population	IRS population
2005		14,427
2006		14,111
2007		15,316
2008		13,931
2009		13,691
2010		13,937
2011	16,869	14,052
2012	16,497	13,980
2013	16,538	14,020
2014	16,454	13,930
2015	16,370	13,940
2016	16,135	13,730
2017	16,302	13,710
2018	15,964	13,680
2019	15,795	13,770
2020	15,750	13,770
2021	15,017	13,490
2022	15,592	13,410
2023	15,420

ACS: U.S. Census Bureau American Community Survey 5-year estimates. IRS: Statistics of Income ZIP Code data.

ZIP codes near 15666

12 nearest ZIP centroids (any distance)

15674Norvelt3.2 miPop 223 · Income $83,182
15688Tarrs4.1 miPop 666 · Income $60,150
15689United4.5 miPop 51 · Income $73,929
15612Alverton5.0 miPop 510 · Income $56,842
15639Hunker5.3 miPop 2,028 · Income $77,354
15610Acme5.4 miPop 4,130 · Income $70,397
15616Armbrust5.6 miPop 433 · Income $113,363
15490White6.0 miPop 541 · Income $66,429
15676Pleasant Unity6.3 miPop 468 · Income $75,469
15631Everson6.3 miPop 656 · Income $57,639
15683Scottdale6.4 miPop 7,855 · Income $53,519
15697Youngwood6.6 miPop 2,906 · Income $59,551

ZIP centroids within 2 miles

No other ZIP codes within 2 miles of 15666, measured by Census internal-point centroids. Try a wider radius.

ZIPs within 2 miles of this place

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Radius (miles)

15666 Mount Pleasant, PA

Looking up ZIP codes within 2 miles of 15666 Mount Pleasant, PA, measured by centroid distance.

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ZIP code 15666 FAQ

What city is ZIP code 15666 in?: 15666 is in Mount Pleasant, PA.
What county is 15666 in?: 15666 is in Westmoreland County.
What is the median household income in 15666?: The median household income in 15666 is $64,943.
Which ZIP codes are near 15666?: Use the radius tool on this page to list ZIP codes within a chosen distance of 15666.