What is the population of Lewis?

The population of Lewis, IA is 400.

Where is Lewis located?

Lewis, IA is located at latitude 41.3058200 and longitude -95.0833200. It is in United States.

What is the area of Lewis?

The area of Lewis, IA is 1.295385 km².

What is the elevation of Lewis?

Lewis, IA has an elevation of 360 meters (1181 feet) above sea level.

What time zone is Lewis in?

Lewis, IA is in the America/Chicago time zone.

What state is Lewis in?

Lewis is in the state of Iowa, United States.

How has the population of Lewis changed?

The population of Lewis, IA has decreased from 433 (2010) to 400 (2020), a change of -7.6%.

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Lewis, Iowa

Lewis: city in Cass County, Iowa

About

Lewis is a city located in the county of Cass in the U.S. state of Iowa. Its population at the 2010 census was 433 and a population density of 334 people per km². After 10 years in 2020 city had an estimated population of 400 inhabitants.

Lewis locator map — Location of Lewis on Iowa map.

Quick Facts about Lewis

Population	400 (2020)
Country	United States of America
State	Iowa (United States)
County	Cass County
Postal code	51544
Area	1.3 km²
Latitude & Longitude	41.3058,-95.0833
Altitude	1,181 feet / 360 meters
Time Zone	America/Chicago
Local time	22:04:41 (17th April 2026)
Density	309 Pop. per km² as of 2020
Population growth	-8.25% (2010-2020)
Weather	79℉ Showers And Thunderstorms Likely 7-days weather

IAMap-doton-Lewis locator map image

Geography

Lewis is located at 41°18'21"N 95°4'60"W (41.3058200, -95.0833200).

Lewis map

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Weather

79°F

Showers And Thunderstorms Likely

18 to 23 mph SW Friday

Showers and thunderstorms likely after 7am. Partly sunny. High near 79, with temperatures falling to around 66 in the afternoon. Southwest wind 18 to...

7-Day Forecast

Demographics

According to census records, the population of Lewis decreased by 8.25% in 10 years.

Year	Population	% Change	Method
2010	433	-	census
2011	428	-1.17%	estimation process
2012	423	-1.18%	estimation process
2013	422	-0.24%	estimation process
2014	416	-1.44%	estimation process
2015	416	0%	estimation process
2016	411	-1.22%	estimation process
2017	410	-0.24%	estimation process
2018	404	-1.49%	estimation process
2019	399	-1.25%	estimation process
2020	400	0.25%	estimation process

Lewis zip code is 51544. County name: Cass, County fips: 19029

People born in Lewis (1)

American inventor Edwin Perkins was born in Lewis

Nearby Transit Stations (3)

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

Code	Name	Address	Type
CRN	Creston	Pine and Adams Avenue	RAIL
OMA	Omaha	1003 S. 9th Street	RAIL
OSC	Osceola	Main & East Clay Streets	RAIL

Nearby Post Offices

Closest post offices linked to Lewis.

Post Office Name	City	ZIP
Lew Post Office	Lewis (IA)	51544
Griswold Post Office	Griswold (IA)	51535
Atlan Post Office	Atlantic (IA)	50022
Marn Post Office	Marne (IA)	51552
Cumberland Post Office	Cumberland (IA)	50843

Other places with the same name (3)

Lewis, Indiana unincorporated community in Vigo County, Indiana with a population of 1,435 people.
Lewis, New York county in New York, United States with a population of 780 people.
Lewis, Kansas city in Edwards County, Kansas, USA with a population of 10 people.

Other cities in Cass County

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

City Name	Population	Title
Atlantic	6,513	City in Iowa
Griswold	941	Human settlement in Cass County, Iowa, United States of America
Anita	898	City in Iowa
Massena	334	Township in Cass County, Iowa, USA
Cumberland	246	Town in Cass County, Iowa, United States
Marne	114	Human settlement in Cass County, Iowa, United States of America
Wiota	107	City in Cass County, Iowa, United States