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Peterson, IA Profile: Facts & Data

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Peterson, Iowa - Basic Facts

The City of Peterson had a population of 306 as of July 1, 2025.

The primary coordinate point for Peterson is located at latitude 42.918 and longitude -95.3439 in Clay County. The formal boundaries for the City of Peterson encompass a land area of 0.52 sq. miles and a water area of 0.02 sq. miles. Clay County is in the Central time zone (GMT -6).

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


Jump to... (On This Page!)
  1. Peterson 2025 Demographic Data
  2. Growth Rates for Peterson (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. Iowa Research Tools (Easy Tools & Current Data)
  3. Iowa Data Comparison Tool - 2025 Demographics
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Peterson, IA Data & Demographics (As of July 1, 2025)

POPULATION

Total Population 306 (100%)
Population in Households 306 (100.0%)
Population in Families 227 (74.2%)
Population in Group Quarters1 0
Population Density 589
Diversity Index2 22
 
 

INCOME

Median Household Income $77,239
Average Household Income $97,232
% of Income for Mortgage4 13%
Per Capita Income $49,569
Wealth Index5 92
Socioeconomic Status Index6 High (66.1)
 

HOUSING

Total HU (Housing Units) 185 (100%)
Owner Occupied HU 134 (72.4%)
Renter Occupied HU 22 (11.9%)
Vacant Housing Units 29 (15.7%)
Median Home Value $156,250
Average Home Value $182,201
Housing Affordability Index3 171
 

HOUSEHOLDS

Total Households 156
Average Household Size 1.96
Family Households 82
Average Family Size 3.00
NOTES
  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.
  6. The Socioeconomic Index ranges from zero (lowest relative status) to 100 (highest relative status). This measure quantifies disparities in social position of an area's inhabitants and is built from a broad range of demographic, housing, and socioeconomic inputs. More information on this measure can be found in Esri's SEI tutorial.

GROWTH RATE / YEAR

 2020-2025 2025-2030
Population -0.97% -0.20%
Households -0.36% -0.26%
Families   2.77%
Median Household Income   3.10%
Per Capita Income   2.58%
Owner Occupied HU   -0.76%

Peterson, IA - Peer Comparisons by Rank and Percentile

The table below compares Peterson to the other 1,026 incorporated cities, towns and CDPs in Iowa by rank and percentile using July 1, 2025 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 # 574 44th
Population Density # 527 49th
Median Household Income # 478 54th
Housing Affordability Index # 895 87th
Per Capita Income # 186 82nd
Diversity Index # 303 70th

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

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