Lamar, MO Profile: Facts & Data


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Lamar, Missouri - Basic Facts

The City of Lamar had a population of 4,504 as of July 1, 2020.

The primary coordinate point for Lamar is located at latitude 37.495 and longitude -94.2766 in Barton County. The formal boundaries for the City of Lamar encompass a land area of 5.12 sq. miles and a water area of 0.31 sq. miles. Barton County is in the Central time zone (GMT -6). The elevation is 961 feet.

The City of Lamar (GNIS ID: 2395617) has a C1 Census Class Code which indicates an active incorporated place that does not serve as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

The City of Lamar is located within Township of City, a minor civil division (MCD) of Barton County.


Lamar, MO Data & Demographics (As of July 1, 2020)


Total Population 4,504 (100%)
Population in Households 4,425 (98.2%)
Population in Families 3,529 (78.4%)
Population in Group Quarters1 79 ( 1.8%)
Population Density 864
Diversity Index2 20


Median Household Income $38,128
Average Household Income $56,786
% of Income for Mortgage4 11%
Per Capita Income $23,316
Wealth Index5 56


Total HU (Housing Units) 2,103 (100%)
Owner Occupied HU 1,118 (53.2%)
Renter Occupied HU 746 (35.5%)
Vacant Housing Units 239 (11.4%)
Median Home Value $99,414
Average Home Value $133,639
Housing Affordability Index3 213


Total Households 1,864
Average Household Size 2.37
Family Households 1,208
Average Family Size 3
  1. Group Quarters - a place where people live or stay in a group living arrangement. Includes college residents halls, nursing facilities, military barracks, and correctional facilities.
  2. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different races or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.
  3. The Housing Affordability Index base is 100 and represents a balance point where a resident with a median household income can normally qualify to purchase a median price home. Values above 100 indicate increased affordability, while values below 100 indicate decreased affordability.
  4. The % of Income for Mortgage quantifies the percentage of median household income dedicated to mortgage payments on a home priced at the median value (assuming a 30-year mortgage and a 20% down payment).
  5. The Wealth Index is based on a number of indicators of affluence including average household income and average net worth, but it also includes the value of material possessions and resources. It represents the wealth of the area relative to the national level. Values above or below 100 represent above-average wealth or below-average wealth compared to the national level.


2010-2020 2020-2025
Population -0.07% -0.25%
Households -0.02% -0.23%
Families 0.04% -0.32%
Median Household Income   1.56%
Per Capita Income   2.28%
Owner Occupied HU   -0.09%


Lamar, MO - Peer Comparisons by Rank and Percentile

The table below compares Lamar to the other 1,032 incorporated cities, towns and CDPs in Missouri by rank and percentile using July 1, 2020 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 160 85th
Population Density # 462 55th
Median Household Income # 808 22nd
Housing Affordability Index # 519 50th
Per Capita Income # 578 44th
Diversity Index # 306 70th

Additional comparisons and rankings can be made with a VERY EASY TO USE Missouri Census Data Comparison Tool.

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