Arma, KS Profile: Facts & Data


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Arma, Kansas - Basic Facts

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The City of Arma had a population of 1,640 as of July 1, 2021. Arma ranks in the upper quartile for Population Density when compared to the other cities, towns and Census Designated Places (CDPs) in Kansas. See peer rankings below.

The primary coordinate point for Arma is located at latitude 37.5439 and longitude -94.7002 in Crawford County. The formal boundaries for the City of Arma encompass a land area of 1.12 sq. miles and a water area of 0.02 sq. miles. Crawford County is in the Central time zone (GMT -6). The elevation is 1,014 feet.

The City of Arma 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 Arma is located within Township of Washington, a minor civil division (MCD) of Crawford County.

Alternate Unofficial Names for Arma: Rust.

Jump to... (On This Page!)
  1. Arma 2021 Demographic Data
  2. Growth Rates for Arma (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. Kansas Research Tools (Easy Tools & Current Data)
  3. Kansas Data Comparison Tool - 2021 Demographics

Arma, KS Data & Demographics (As of July 1, 2021)


Total Population 1,640 (100%)
Population in Households 1,608 (98.0%)
Population in Families 1,198 (73.0%)
Population in Group Quarters1 32 ( 2.0%)
Population Density 1,446
Diversity Index2 15


Median Household Income $36,928
Average Household Income $60,333
% of Income for Mortgage4 10%
Per Capita Income $26,786
Wealth Index5 51


Total HU (Housing Units) 810 (100%)
Owner Occupied HU 476 (58.8%)
Renter Occupied HU 255 (31.5%)
Vacant Housing Units 78 ( 9.6%)
Median Home Value $89,532
Average Home Value $107,809
Housing Affordability Index3 216


Total Households 732
Average Household Size 2.2
Family Households 413
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.


2010-2021 2021-2026
Population 0.88% 0.15%
Households 0.91% 0.16%
Families 0.91% 0.05%
Median Household Income   2.82%
Per Capita Income   2.07%
Owner Occupied HU   0.33%

Arma, KS - Peer Comparisons by Rank and Percentile

The table below compares Arma to the other 672 incorporated cities, towns and CDPs in Kansas by rank and percentile using July 1, 2021 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 # 143 79th
Population Density # 113 83rd
Median Household Income # 657 2nd
Housing Affordability Index # 308 46th
Per Capita Income # 458 32nd
Diversity Index # 449 33rd

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

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