What is the population of Red Oak?

The population of Red Oak, IA is 5,271.

Where is Red Oak located?

Red Oak, IA is located at latitude 41.0097200 and longitude -95.2255500. It is in United States.

What is the area of Red Oak?

The area of Red Oak, IA is 10.364929 km².

What is the elevation of Red Oak?

Red Oak, IA has an elevation of 320 meters (1050 feet) above sea level.

What time zone is Red Oak in?

Red Oak, IA is in the America/Chicago time zone.

What state is Red Oak in?

Red Oak is in the state of Iowa, United States.

What county is Red Oak, IA in?

Red Oak is in Montgomery County, Iowa.

How has the population of Red Oak changed?

The population of Red Oak, IA has decreased from 5,742 (2010) to 5,271 (2020), a change of -8.2%.

Red Oak, IA - Geographic Facts & Maps

Red Oak: city in and county seat of Montgomery County, Iowa, United States.

About

Red Oak is a city located in the county of Montgomery in the U.S. state of Iowa. Its population at the 2010 census was 5,742 and a population density of 554 people per km². After 10 years in 2020 city had an estimated population of 5,271 inhabitants.

Red Oak locator map — Location of Red Oak on Iowa map.

Quick Facts about Red Oak

Population	5,271 (2020)
Country	United States of America
State	Iowa (United States)
County	Montgomery County
Phone Area Codes	712
Area	10.36 km²
Latitude & Longitude	41.0097,-95.2256
Altitude	1,050 feet / 320 meters
Capital city	Red Oak is capital of Montgomery County
Time Zone	America/Chicago
Local time	11:50:49 (16th October 2026)
Postal code	51566
Density	509 Pop. per km² as of 2020
Population growth	-8.2% (2010-2020)
Weather	53℉ Mostly Cloudy 7-days weather

M. E. Church Red Oak Iowa image

Geography

Red Oak is located at 41°0'35"N 95°13'32"W (41.0097200, -95.2255500).

Red Oak map

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Weather

53°F

Mostly Cloudy

16 to 26 mph NNW Friday

Mostly cloudy. High near 53, with temperatures falling to around 51 in the afternoon. North northwest wind 16 to 26 mph, with gusts as high as 37 mph.

7-Day Forecast

Official website of Red Oak

Official Website

Demographics

According to census records, the population of Red Oak decreased by 8.2% in 10 years.

Year	Population	% Change	Method
2010	5,742	-	census
2011	5,676	-1.15%	estimation process
2012	5,629	-0.83%	estimation process
2013	5,561	-1.21%	estimation process
2014	5,551	-0.18%	estimation process
2015	5,426	-2.25%	estimation process
2016	5,410	-0.29%	estimation process
2017	5,396	-0.26%	estimation process
2018	5,305	-1.69%	estimation process
2019	5,276	-0.55%	estimation process
2020	5,271	-0.09%	estimation process

Red Oak zip code is 51566. County name: Montgomery, County fips: 19137

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Nearby Transit Stations (2)

Rail and bus stations connected to Red Oak, IA. Select a station to open its map and address details.

Code	Name	Address	Type
OMA	Omaha	1003 S. 9th Street	RAIL
CRN	Creston	Pine and Adams Avenue	RAIL

Nearby Post Offices

Closest post offices linked to Red Oak.

Post Office Name	City	ZIP
Red Oak Post Office	Red Oak (IA)	51566

Other cities in Montgomery County

Cities, towns, neighborhoods & other populated places in Montgomery County , IA.

City Name	Population	Title
Villisca	1,143	City in Montgomery County, Iowa, United States

Red Oak, Iowa