Residential delivery area · Kansas
ZIP Code 66521: Onaga, KS
ZIP code 66521 uses the postal name Onaga, Kansas and lies mostly in Pottawatomie County (92% of its land) with the rest in Nemaha County (Census 2020 ZIP-county file). About 1,400 people live there (Census Bureau, ACS 2020-2024). Median household income is $61,250 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Onaga (under 1%) and Wheaton (under 1%); more than 99% is outside any Census place.
- ACS2020-24
- Census2020
- ZBP2023
- IRS2022
- Town
- Onaga · its only residential ZIP
- County
- Pottawatomie County (92%); Nemaha County (8%)
- Census places
- Onaga (under 1%); Wheaton (under 1%)
- Metro area
- Manhattan, KS
- House districts
- KS-1 (92%), KS-2 (8%) 119th Congress, by share of land
- State
- Kansas
- Time zone
- Central
- Land area
- 177.6 sq mi · 8 people per sq mi
Where is ZIP code 66521?
66521 centers on 39.471°, -96.229° and covers 177.6 square miles of land plus 0.5 of water. It borders 8 ZIP codes: 66432, 66549, 66422, 66544, 66415, 66547, 66407, 66427.
The map draws ZIP code areas only. For the streets inside 66521, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 66521 compare with the rest of Pottawatomie County?
| Measure | 66521 | In Pottawatomie County | In KS |
|---|---|---|---|
| People (ACS 2020-2024) | 1,417 | 6th of 11 | 286th of 704 |
| Median household income | $61k | not ranked | not ranked |
| Median home value | $193k | 6th of 7 | 121st of 282 |
66521's median household income is not ranked: its 90% margin of error (±$21,033) is more than a quarter of the figure ($61,250). Rankings use ZIP codes of 1,000 or more people living in households, with margins at most 25% of the figure.
It is denser than 14% of U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 66521?
The 2020 Census counted 1,521 people in 66521; the ACS, which samples households over 2020-2024, estimates 1,417. Between the 2010 and 2020 censuses its population fell 0.7% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 1,417±246 (90% margin)
- 2020 Census count
- 1,521−0.7% since 2010 (1,532)
- Households
- 542
- Median age
- 42.8
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 66521?
Of the 1,417 people the ACS estimates in 66521, 23.1% are under 18 and 26.0% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (90.1%).
- Under 1823.1%
- 18 to 6451.0%
- 65 and older26.0%
- White, not Hispanic90.1%
- Other or two or more5.1%
- Hispanic or Latino2.8%
- Asian, not Hispanic2.0%
- Black, not Hispanic0.0%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 66521 earn?
Median household income is $61,250 (ACS 2020-2024). It is not measurably different from 2015-2019 ($74,057 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $61,250±$21,033
- Income per person
- $32,566
- Below the poverty line
- 13.4%
- Unemployed (of the labor force)
- 1.7%
- Adults 25+ with a bachelor's degree
- 27.6%
- Adjusted gross income per tax return, 2022
- $66,225680 returns; wages 66% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 66521?
- Median home value (owners' estimate)
- $193,000
- Median gross rent
- $982
- Homes owned by their occupants
- 65.3%
- Housing units
- 645
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001).
What businesses are in 66521?
35 business establishments had a location in this ZIP code in 2023, 4 more than in 2018; the most are in health care and social assistance (ZIP Code Business Patterns).
- Health care and social assistance7
- Retail trade6
- Other services (except public administration)6
- Construction3
- Finance and insurance3
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 66521?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 66432 | Havensville | 540 | $109k | 8.2 mi |
| 66549 | Westmoreland | 1,526 | $79k | 11.5 mi |
| 66422 | Emmett | 1,228 | $73k | 12.2 mi |
| 66544 | Vermillion | 287 | $97k | 15.3 mi |
| 66415 | Centralia | 762 | $70k | 15.9 mi |
| 66547 | Wamego | 8,579 | $104k | 16.9 mi |
| 66407 | Belvue | 298 | $68k | 16.9 mi |
| 66427 | Frankfort | 1,334 | $80k | 17.3 mi |
| 66540 | Soldier | 582 | $52k | 13.9 mi (near) |
| 66417 | Corning | 507 | $87k | 16.4 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.