Missouri · Census place 2940376

Lamar, Missouri

Lamar is a city in Barton County, Missouri with an estimated 4,299 residents on July 1, 2024. It is the 158th largest of 338 incorporated places of 1,000+ people in the state.

Population 2024: 4,299; #158 of 338 in Missouri
Change since 2020: +0.8%; +35 people
Land area: 5.2 sq mi; + 0.31 sq mi water
Density: 825 / sq mi; State median 1,448

Orange pin: Lamar. Shaded: its county. Dark pin: Jefferson City.

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Tools and pages that start from Lamar

Lamar population, 2020 to 2024

Lamar added 35 residents from July 2020 to July 2024, a change of +0.8%. In the latest year it moved by -6.

July 1 estimates. The April 2020 estimates base was 4,271. The axis starts above zero so yearly changes are visible.

Lamar covers 5.21 square miles of land and 0.31 of water, for 825 people per square mile of land. The median Missouri place of 5,000+ has 1,448, so Lamar is less dense than the typical town.

What county Lamar is in

All of Lamar's residents live in Barton County, which had 11,717 residents in 2024. Lamar holds 36.7% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Lamar

1 ZIP Code Tabulation Area (ZCTA) overlaps Lamar by at least 10% of the ZCTA's or the city's land: 64759. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a city that annexed land after 2020 may reach into ZIP codes not listed here.

Where Lamar is

The Census internal point of Lamar is at 37.493900, -94.278400. Jefferson City, the capital, is 136.9 miles NE in a straight line. The nearest larger place is Pittsburg, KS (20,547 people), 23.7 miles away. The nearest city of 100,000 or more is Springfield, MO, 58.0 miles away.

Internal point

Decimal: 37.493900, -94.278400
DMS: 37°29'38.04"N 94°16'42.24"W
UTM: 15N 386990.5E 4150432.1N
Geohash: 9ysvq9s9f
Plus code: 8697FPVC+HJ

Daylight in Lamar

At 37.49° N, Lamar gets about 14 h 45 min of daylight around the June solstice and 9 h 34 min around the December solstice, a swing of 5 h 11 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Lamar

The eight nearest incorporated places of 1,000+ in Missouri, measured between internal points. The closest is Oronogo, 23.2 miles away, with 3,159 people.

Questions people ask

What is the population of Lamar, MO?

4,299 on July 1, 2024, in the Census Vintage 2024 estimates. That is up 35 (0.8%) from 4,264 in July 2020.

What county is Lamar in?

Barton County. All of its residents live in that county.

What ZIP codes cover Lamar?

1 ZIP Code Tabulation Area overlaps it by at least 10% of either area: 64759.

How far is Lamar from Jefferson City?

136.9 miles (220.3 km) in a straight line, heading NE from Lamar.

What is the nearest larger city to Lamar?

Pittsburg, KS, with 20,547 residents, 23.7 miles away between internal points.

Sources and data as of

Data as of: Census Vintage 2024 subcounty estimates (July 1, 2024), 2024 Gazetteer places, 2020 ZCTA to place relationship file.

How every number is computed: methodology. Spotted a wrong figure? Report an error.