What is the population of Mercer?

The population of Mercer, MO is 296.

Where is Mercer located?

Mercer, MO is located at latitude 40.5114000 and longitude -93.5321600. It is in United States.

What is the area of Mercer?

The area of Mercer, MO is 0.951898 km².

What is the elevation of Mercer?

Mercer, MO has an elevation of 328 meters (1076 feet) above sea level.

What time zone is Mercer in?

Mercer, MO is in the America/Chicago time zone.

What state is Mercer in?

Mercer is in the state of Missouri, United States.

What county is Mercer, MO in?

Mercer is in Mercer County, Missouri.

How has the population of Mercer changed?

The population of Mercer, MO has decreased from 318 (2010) to 296 (2020), a change of -6.9%.

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Mercer, Missouri

Mercer: city in Missouri, USA

About

Mercer is a city located in the county of Mercer in the U.S. state of Missouri. Its population at the 2010 census was 318 and a population density of 334 people per km². After 10 years in 2020 city had an estimated population of 296 inhabitants.

Quick Facts about Mercer

Population	296 (2020)
Country	United States of America
State	Missouri (United States)
County	Mercer County
Postal code	64661
Phone Area Codes	660
Area	0.95 km²
Latitude & Longitude	40.5114,-93.5322
Altitude	1,076 feet / 328 meters
Time Zone	America/Chicago
Local time	11:45:59 (5th May 2026)
Density	311 Pop. per km² as of 2020
Population growth	-7.43% (2010-2020)
Weather	56℉ Rain Showers Likely 7-days weather

Geography

Mercer is located at 40°30'41"N 93°31'56"W (40.5114000, -93.5321600).

Mercer map

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Weather

56°F

Rain Showers Likely

13 mph NNE Tuesday

Rain showers likely. Mostly cloudy, with a high near 56. North northeast wind around 13 mph, with gusts as high as 21 mph. Chance of precipitation is...

7-Day Forecast

Demographics

According to census records, the population of Mercer decreased by 7.43% in 10 years.

Year	Population	% Change	Method
2010	318	-	census
2011	314	-1.27%	estimation process
2012	309	-1.62%	estimation process
2013	305	-1.31%	estimation process
2014	305	0%	estimation process
2015	305	0%	estimation process
2016	306	0.33%	estimation process
2017	304	-0.66%	estimation process
2018	301	-1%	estimation process
2019	301	0%	estimation process
2020	296	-1.69%	estimation process

Mercer zip code is 64661. County name: Mercer, County fips: 29129

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Nearby Schools and Colleges

Schools and campuses linked to Mercer, MO. Select a name to open its map and contact details.

Code	Name	City	ZIP
153366	Graceland University-Lamoni	Lamoni (IA)	50140
179715	North Central Missouri College	Trenton (MO)	64683

Nearby Transit Stations (4)

Rail and bus stations connected to Mercer, MO. Select a station to open its map and address details.

Code	Name	Address	Type
OSC	Osceola	Main & East Clay Streets	RAIL
CRN	Creston	Pine and Adams Avenue	RAIL
LAP	La Plata	535 N. Owensby St.	RAIL
OTM	Ottumwa station	210 West Main Street	RAIL

Nearby Post Offices

Closest post offices linked to Mercer.

Post Office Name	City	ZIP
Mercer Post Office	Mercer (MO)	64661

Other places with the same name (4)

Mercer, Pennsylvania borough in Mercer County, Pennsylvania, United States with a population of 1,865 people.
Mercer, Wisconsin civil town in Iron County, Wisconsin with a population of 1,387 people.
Mercer, Maine town in the U. with a population of 637 people.
Mercer, North Dakota city in the U. with a population of 38 people.

Other cities in Mercer County

Cities, towns, neighborhoods & other populated places in Mercer County , MO.

City Name	Population	Title
Princeton	1,078	City in Mercer County, Missouri
Ravanna	205	Township in Mercer County, Missouri
South Lineville	27	Village in the United States