Onaga, KS 66521 ZIP Code Profile

Related Place Profiles:
Duluth, KS | Onaga, KS | Wheaton, KS

ZIP Code 66521: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Onaga, KS 66521

Acceptable Alternative
Duluth, KS 66521
Wheaton, KS 66521

  • ZIP Code Type: STANDARD
  • County: Pottawatomie County
  • Centroid: Latitude 39.491, Longitude -96.172
  • Time Zone: Central Time Zone (UTC -6 hours)
  • Observes DST: Yes

ZIP Code 66521 has segments in 2 Counties (Nemaha, Pottawatomie).

  • Businesses Addresses: 64
  • PO Box Addresses: 89
  • Residential Addresses: 577
    • Multi-Family Addresses: 23
    • Single Family Addresses: 554

The ZIP Code maps and database are updated 4 times per year.
Database updated: May 1, 2018, Maps updated: February 1, 2018.

EXTREMELY LOCAL Demographic Data

Address Based Hyperlocal Data Input an address and get data & demographics for the pertinent census block group (CBG), a searchable map and a customized directory. The CBG is the smallest geographical unit used by the Census Bureau for reporting demographic data.


66521 ZIP Code Map

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Onaga, KS 66521 Data & Demographics (As of July 1, 2017)


Total Population 1,635
Daytime Population: Workers 548
Daytime Population: Residents 837
Total Daytime Population (TDP) 1,385
Ratio TDP/Total Population1 0.85
Population in Households 1,597
Population in Familes 1,323
Population in Group Qrtrs 38
Population Density2 9
Diversity Index3 16


Median Household Income $49,587
Average Household Income $60,648
Per Capita Income $24,590


Total Housing Units 789 (100%)
Owner Occupied HU 493 (62.5%)
Renter Occupied HU 156 (19.8%)
Vacant Housing Units 140 (17.7%)
Median Home Value $87,252
Average Home Value $141,481


Total Households 649
Average Household Size 2.46
Family Households 431
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. 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 race 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.


2010-2017 2017-2022
Population 1.03% 1.12%
Households 0.93% 1.06%
Families 0.86% 0.96%
Median Household Income   2.27%
Per Capita Income   3.08%

Onaga, KS 66521 - Peer Comparisons by Rank and Percentile

The table below compares 66521 to the other 699 ZIP Codes in Kansas by rank and percentile using July 1, 2017 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 # 280 60th
Population Density # 384 45th
Diversity Index # 419 40th
Median Household Income # 400 43rd
Per Capita Income # 489 30th

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

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