ZIP Code 66521

standard

Source:

Onaga · Pottawatomie County · Kansas

Population
1,532

3/sq mi

Median income
$61,250

▼ 20% vs US

higher than 31% of US ZIPs

Median home value
$193,000

▼ 31% vs US

higher than 42% of US ZIPs

Bachelor's or higher
27.6%

Median age 42.8

Land area
478.8 sq mi

Chicago

ZIP code 66521 in Onaga, Kansas has a population of 1,532. The median household income is $61,250, which is 20% below the national average. Median home value is $193,000, 31% below the US average. 27.6% of residents hold a bachelor's degree or higher.

ZIP code 66521 is classified by USPS as a standard delivery area and covers roughly 478.8 square miles in Onaga, Pottawatomie County, Kansas. The area is home to 1,532 residents, producing a population density of 3 people per square mile, and falls within the Chicago time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 66521 against Kansas and the nation.

On the economic side, the median household income for ZIP 66521 sits at $61,250 (15% below the Kansas average), while per-capita income is $32,566. The poverty rate stands at 13.4% and the unemployment rate at 1.7%. On housing, the median home value is $193,000 (19% above the state average) with median rent at $982 per month, and 65.3% of occupied units are owner-occupied, a direct signal of whether 66521 behaves more like a homeowner neighborhood or a renter-heavy ZIP.

Education and household profile round out the picture: 27.6% of adults hold a bachelor's degree or higher, the median age is 42.8, and the average commute is 19 minutes. We also surface 1 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Pottawatomie County, so you can benchmark 66521 against its immediate geography rather than a national average alone. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →

Top industries in ZIP 66521

Top 5 sectors by establishment count

Which industries have the most business establishments in ZIP 66521.

establishments

What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.

Source U.S. Census Bureau · ZIP Code Business Patterns (ZBP) As of 2023

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + HUD FMR + FHFA HPI ACS demographics, ZBP business establishments, HUD Fair Market Rents, FHFA HPI for ZIP 66521, Onaga, KS · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; HUD FMR + FHFA HPI updated quarterly/annually.

Quick Facts

1,532

Population

478.8

Area (sq mi)

3

People / sq mi

Chicago

Time Zone

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ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 66521?

42.8

Median Age

48.6%

Male

51.4%

Female

2.0%

Foreign-Born

White 90.3%
African American 0.0%
Asian 2.0%
American Indian or Alaska Native 1.2%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 6.4%
Hispanic or Latino 2.8%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$61,250

Median Household Income

-15% vs state

$32,566

Per Capita Income

13.4%

Poverty Rate

1.7%

Unemployment Rate

19.3 min

Mean Commute Time

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 63.3%
Bachelor's Degree or Higher 27.6%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

645

Total Housing Units

542

Occupied Units

103

Vacant Units

2.49

Avg Household Size

Occupancy Type

Owner 65.3%
Renter 34.7%

$193,000

Median Home Value

+19% vs state

$982

Median Rent

1957

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What businesses operate in this ZIP?

Census Bureau data shows 35 business establishments in ZIP 66521, employing approximately 424 people with a combined annual payroll of $20,130,000.

35

Businesses

424

Employees

$20.1M

Annual Payroll

5

Industry Sectors

Industry Establishments % of Total
Health care and social assistance 7 20.0%
Retail trade 6 17.1%
Other services (except public administration) 6 17.1%
Construction 3 8.6%
Finance and insurance 3 8.6%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 66521 vs 66422 →

ZIP Code City Population Distance
66422 Emmett, KS 487 12.3 mi

More ZIP Codes in Pottawatomie County

Frequently Asked Questions

What county is ZIP code 66521 in?
ZIP code 66521 (Onaga) is located in Pottawatomie County, Kansas. Pottawatomie County contains multiple ZIP codes, see the full list at /counties/pottawatomie-ks.
What is the population of ZIP code 66521?
ZIP code 66521 in Onaga, KS has a population of 1,532 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 66521?
The median household income in ZIP 66521 is $61,250, which is 20% below the national average of $76,288.
What is the average home value in ZIP 66521?
The median home value in ZIP 66521 is $193,000, which is 31% below the national average of $278,155.
What is the demographic makeup of ZIP 66521?
The largest racial group in ZIP 66521 is White at 90.3%. Hispanic or Latino residents make up 2.8% of the population.
How many businesses are in ZIP code 66521?
ZIP code 66521 has 35 business establishments employing approximately 424 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 66521?
The top industries by establishment count in ZIP 66521 are: Health care and social assistance (7), Retail trade (6), Other services (except public administration) (6). There are 5 industry sectors represented in total.
What is the education level in ZIP code 66521?
In ZIP code 66521, 63.3% of residents aged 25+ have a high school diploma or higher, and 27.6% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 66521?
The mean commute time for workers in ZIP code 66521 is 19.3 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend less time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 66521?
In ZIP code 66521, approximately 65.3% of occupied housing units are owner-occupied and 34.7% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 66521?
The poverty rate in ZIP code 66521 is 13.4% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

ZIP Code Research Guides

Official Data Resources for Onaga, KS

Verify and explore additional data for this area using these official government sources.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023). Business data: Source: Census ZIP Code Business Patterns (ZBP) 2023. Home value trends: Source: FHFA House Price Index (HPI), Five-Digit ZIP Codes.

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