Onaga, KS · standard
ZIP Code 66521
Pottawatomie County, Kansas - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 1,532
- 3/sq mi Low-density area
- $61,250
- Median income Below-median income area
- $193,000
- Median home value Near-median home value
- 27.6%
- Bachelor's or higher Near-average bachelor's attainment
National ZIP placement
Onaga pairs a below-median household income with below-median home values, in a rural, homeowner-dominated area.
- 31st pct
- household income, US ZIPs
- 42nd pct
- home value, US ZIPs
- 3
- people per sq mi
- 65%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 66521 against every reporting US ZIP.
ZIP code 66521 covers 478.8 square miles in Onaga, Pottawatomie County, Kansas (a standard USPS delivery area), with a modest 1,532 residents on file, a density of 3 people per square mile, in the Chicago time zone.
ZIP 66521 reports a modest median household income of $61,250 (15% below the average Kansas ZIP), while per-capita income is $32,566. The poverty rate is 13.4%, with unemployment at 1.7%; those measures add context to the income figure. Housing is both higher-cost and owner-heavy: median home value is $193,000 (19% above the average Kansas ZIP), while 65.3% of occupied homes are owner-occupied and median rent is $982.
Educational attainment sits below the national norm: 27.6% of adults hold a bachelor's degree or higher, the median age is 42.8, and the average commute is 19 minutes. The page also surfaces 1 ZIP codes within roughly 10 miles and 6 more in Pottawatomie County, so 66521 can be compared with both its immediate and county-level context.
Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →
Top industries in ZIP 66521
Top 5 sectors by establishment count in Onaga, KS
Which industries have the most business establishments in ZIP 66521.
- Health care and social assistance
Health care and social assistance
7 establishments
- Retail trade
Retail trade
6 establishments
- Other services (except public administration)
Other services (except public administration)
6 establishments
- Construction
Construction
3 establishments
- Finance and insurance
Finance and insurance
3 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, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, 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; FHFA HPI updated quarterly/annually.
Quick Facts
1,532
Population
478.8
Area (sq mi)
3
People / sq mi
Chicago
Time Zone
standard
ZIP Type
Who lives in ZIP 66521?
42.8
Median Age
48.6%
Male
51.4%
Female
2.0%
Foreign-Born
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 ZIP avg
$32,566
Per Capita Income
13.4%
Poverty Rate
1.7%
Unemployment Rate
19.3 min
Mean Commute Time
How ZIP 66521 ranks among Kansas ZIPs
Onaga, KS household income vs. every Kansas ZIP code
Median household income among 659 reporting Kansas ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$61,250 36th percentile higher than 36% of 659 Kansas ZIPs
Each bar is a $20K-wide band; taller bars hold more Kansas ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What is the education profile here?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
Housing stock: occupied vs vacant
645housing units
645
Total Housing Units
542
Occupied Units
103
Vacant Units
2.49
Avg Household Size
Occupancy Type
$193,000
Median Home Value
+19% vs state ZIP avg
$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 |
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 66521, both outside KS so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (1,532 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Pottawatomie County
Related Areas
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.
Related
Take this with you
What to do with ZIP 66521's numbers, next.
- See how ZIP 66521 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Onaga, KS ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
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ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.