Is Upper Merion Township, PA growing?

Name: Growth in Upper Merion Township, PA, 2020–2024
Creator: US Census Bureau
License: https://www.census.gov/data/developers/about/terms-of-service.html

Upper Merion Township, PA had an estimated 34,977 (±30) residents in 2020–2024, against 30,260 in 2015–2019.

That is a change of +15.6%, a measurable increase.

Its housing went from 14,049 to 16,222 homes (+15.5%), a measurable increase.

2.7% of today’s homes were built in 2020 or later.

Figures last updated on November 12, 2026.

Residents now: 34,977 (±30)
Amount of change: +15.6%
Homes change: +15.5%
Built 2020 or later: 2.7%

Residents and homes in Upper Merion Township, 2015–2019 and 2020–2024

2015–2019 and 2020–2024 American Community Survey 5-year estimates
	2015–2019	2020–2024	Amount of change	Verdict
Residents	30,260 (±67)	34,977 (±30)	+15.6%	Measurable increase
Housing units	14,049 (±331)	16,222 (±466)	+15.5%	Measurable increase
Households that rent	35.6% (±1.8 points)	44.9% (±2.2 points)	+9.3 percentage points	Measurable increase
Median gross rent	$1,479 (±$49)	$2,087 (±$74)	+41.1%	Up after inflation
Median home value	$339,900 (±$5,769)	$455,300 (±$12,303)	+34.0%	Up after inflation

The Census Bureau publishes 2015–2019 dollars in 2019 dollars and 2020–2024 dollars in 2024 dollars.

Prices (the CPI-U, US Bureau of Labor Statistics) rose 22.7% between 2019 and 2024, so a dollar figure’s verdict compares the two after raising the earlier one by that much, using the Census Bureau’s test for a difference.

The two periods do not overlap, as the Census Bureau recommends for 5-year estimates.

Growth in Upper Merion Township against Montgomery County, its state and the nation

Change between 2015–2019 and 2020–2024
	Residents	Verdict	Housing units
Upper Merion Township	+15.6%	Measurable increase	+15.5%
Montgomery County	+5.3%	Measurable increase	+4.8%
Pennsylvania	+1.8%	Measurable increase	+2.0%
United States	+3.1%	Measurable increase	+4.6%

A change in a place’s boundaries between the two periods (an annexation, say) changes its counts as well; the Census Bureau’s figures are for the place as it was drawn in each period.

New homes in Upper Merion Township

Housing units by year built, 2020–2024
Year built	Upper Merion Township	Montgomery County	Pennsylvania	United States
2020 or later	2.7% (±1.1 points)	1.5%	1.0%	2.0%
2010 to 2019	16.4% (±1.6 points)	6.6%	5.1%	9.4%
2000 to 2009	6.9% (±1.4 points)	8.6%	8.1%	13.6%

19.1% of the homes in Upper Merion Township were built in 2010 or later.

The median age of residents is 37.5 years.

Growth in places near Upper Merion Township

Change in residents between 2015–2019 and 2020–2024
Place	Distance	Residents now	Amount of change	Verdict
Upper Merion Township	—	34,977	+15.6%	Measurable increase
Bridgeport	2.2 mi	5,174	+13.0%	Measurable increase
West Norriton Township	2.8 mi	16,324	+4.2%	Measurable increase
Norristown	3.1 mi	35,893	+4.2%	Measurable increase
West Conshohocken	3.5 mi	1,536	+11.0%	Not a measurable change
Devon	3.7 mi	1,806	−3.4%	Not a measurable change
Audubon	3.8 mi	9,229	+0.7%	Not a measurable change
Tredyffrin Township	4.0 mi	31,922	+8.4%	Measurable increase
Conshohocken	4.1 mi	9,282	+15.6%	Measurable increase

The figures for Upper Merion Township include the places inside it that have pages of their own: King of Prussia, Swedeland.

Survey years: 2020–2024 (American Community Survey 5-year estimates), compared with 2015–2019.

Margins of error are at the 90% confidence level.

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Questions about Upper Merion Township

Is Upper Merion Township growing?

Upper Merion Township, PA had an estimated 34,977 residents in 2020–2024 and 30,260 in 2015–2019, a change of +15.6%: a measurable increase by the Census Bureau’s test.

How many homes have been added in Upper Merion Township?

The estimated number of housing units went from 14,049 in 2015–2019 to 16,222 in 2020–2024 (+15.5%), a measurable increase.

How much new construction is there in Upper Merion Township?

2.7% of homes in Upper Merion Township were built in 2020 or later and 16.4% between 2010 and 2019.

Sources

To check these figures in the Census Bureau’s own API, request the variables below from the 2024 ACS 5-year data profile (acs/acs5/profile) for Upper Merion township, Montgomery County, Pennsylvania (county subdivision:79136, in state:42 county:091).

Each estimate (E or PE) has a margin of error beside it (M or PM).

The 2015–2019 figures are B01003_001E, B01003_001M, B25001_001E, B25001_001M, DP04_0047PE, DP04_0047PM, B25064_001E, B25064_001M, B25077_001E, B25077_001M from the 2019 release.

The API needs a free key.

Request a Census API key.

DP05_0001E, DP05_0001M, DP04_0001E, DP04_0001M, DP04_0017PE, DP04_0017PM, DP04_0018PE, DP04_0018PM, DP05_0018E, DP05_0018M

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.

Figures are published by the US Census Bureau, HUD, the Bureau of Labor Statistics and the FBI; Seayora reproduces them and does not adjust them, except where a sentence says it compares dollar figures after inflation. They describe the whole place, not any one building or street, and are not an appraisal, a rent determination, a tax bill, a safety rating or legal advice.