US ZIP Code
66521

Onaga, KS

Pottawatomie County  ·  Kansas

● Active
👥 1,444 Population ↓ 10% since 2019
💰 $54,779 Median HH Income
▼ 28% below avg ↓ 9% since 2019
🎂 50.0 Median Age ↓ 2% since 2019
🏠 $181,800 Median Home Value
▼ 35% below avg ↑ 77% since 2019
🎓 40.1% College Grads
≈ Avg
📊 1.1% Unemployment
▼ 78% below avg ↓ 49% since 2019
ZIP Code Details
ZIP Code66521
CityOnaga
StateKansas (KS)
CountyPottawatomie County
Area Code785
Elevation1,193 ft
Latitude39.470744
Longitude-96.229434
TimezoneChicago (DST)
FIPS20149
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 45.9% (663) Female 54.1% (781) ♀

Race & Ethnicity

White: 90%Hispanic: 2.9%Asian: 1.5%Other: 5.2%Race
White90.0%
Hispanic2.9%
Asian1.5%
Other5.2%

Age Breakdown

Under 5
5%
5–17
18%
18–24
4%
25–44
20%
45–64
26%
65+
9%

Key Indicators

Median Age50.0 yrs ↓ 2% since 2019
Avg Household Size2.58
Below Poverty11.4% ▲ 14% above avg
College Grads40.1% ≈ Avg
Unemployment1.1% ▼ 78% below avg
HS Graduate381 (38.2%)
Some College123 (12.3%)
Associates94 (9.4%)
Bachelors97 (9.7%)
Graduate Degree303 (30.4%)

Education

HS Grad: 38.2%Some College: 12.3%Associates: 9.4%Bachelors: 9.7%Graduate: 30.4%Edu
HS Grad38.2%
Some College12.3%
Associates9.4%
Bachelors9.7%
Graduate30.4%
Housing & Income

Housing Tenure

Owner: 65.4%Renter: 34.7%Tenure
Owner65.4%
Renter34.7%

Home Value Distribution

Under $50k
11%
$50k–100k
24%
$100k–150k
11%
$150k–200k
9%
$200k–300k
23%
$300k–500k
15%
Over $500k
7%

Financials

Median HH Income$54,779 ▼ 28% below avg ↓ 9% since 2019
Median Home Value$181,800 ▼ 35% below avg ↑ 77% since 2019
Home/Income Ratio3.3x (nat avg ~3.5x)
Median Rent$882/mo ↑ 51% since 2019
Total Units631
Vacant Units100
Avg HH Size2.58

Income Distribution

Under $25k
24%
$25k–50k
18%
$50k–75k
15%
$75k–100k
16%
$100k–150k
15%
$150k–200k
5%
Over $200k
6%
Employment & Commute

How People Get to Work

Drove Alone
83%
Walked
3%
Work From Home
14%

Commute Time

Under 15 min
50%
15–30 min
17%
30–45 min
12%
Over 45 min
20%
Housing Stock

Year Built

Before 1940
7%
1940s–1950s
7%
1960s–1970s
10%
1980s–1990s
13%
2000+
63%

Summary

Total Units631
Vacant100
Owner Occupied65.4%
Renter Occupied34.7%
Avg HH Size2.58
Frequently Asked Questions
ZIP code 66521 is in Onaga, KS, in Pottawatomie County.
ZIP code 66521 is located in Kansas (KS).
ZIP code 66521 is in Pottawatomie County, KS.
ZIP 66521 observes the Chicago timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 66521 is 1,444 people (ACS 2023).
The median household income in ZIP code 66521 is $54,779 (ACS 2023).
The median home value in ZIP 66521 is $181,800 (ACS 2023).
About ZIP Code 66521

ZIP code 66521 is located in Onaga, Kansas, within Pottawatomie County. With a population of 1,444, this is a sparsely populated ZIP code with a mature community — the median age is 50 years. Economically, 66521 is a working-class ZIP code: the median household income of $54,779 is below the national average.

Real estate in ZIP code 66521 represents an affordable housing market. The median home value of $181,800 is below the national average. Renters can expect to pay around $882 per month in median rent. Homeownership is strong here — 65.4% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 77% since 2019.

The population of 66521 is primarily White (90.03%). Residents are well-educated — 40.1% hold a bachelor's degree or higher, which is near the national average. Poverty affects some residents at 11.4%. Household income has declined by 9% since 2019.

The unemployment rate in 66521 stands at 1.1%, which is well below the national average. About 12% of workers are remote. As in most parts of the country, driving alone is the dominant commute mode at 69%.

Overall, ZIP code 66521 in Onaga, KS is characterized as working-class, well-educated, a mature community, and predominantly owner-occupied. With 1,444 residents, a median household income of $54,779, and a median home value of $181,800, it offers a clear picture of life in this part of Kansas.