Residential delivery area · Kansas
ZIP Code 66451: Lyndon, KS
ZIP code 66451 uses the postal name Lyndon, Kansas and lies entirely in Osage County (Census 2020 ZIP-county file). About 1,700 people live there (Census Bureau, ACS 2020-2024). Median household income is $76,908 (Census Bureau, ACS 2020-2024). By Census place, 1% of its land lies in Lyndon; 99% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2021
- ZBP2023
- IRS2022
- Town
- Lyndon · its only residential ZIP
- County
- Osage County
- Census places
- Lyndon
- Metro area
- Topeka, KS
- House district
- KS-2 119th Congress
- State
- Kansas
- Time zone
- Central
- Land area
- 78.2 sq mi · 21 people per sq mi
Where is ZIP code 66451?
66451 centers on 38.603°, -95.673° and covers 78.2 square miles of land plus 3.9 of water. It borders 7 ZIP codes: 66543, 66528, 66510, 66523, 66537, 66524, 66856.
The map draws ZIP code areas only. For the streets inside 66451, 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 66451 compare with the rest of Osage County?
| Measure | 66451 | In Osage County | In KS |
|---|---|---|---|
| People (ACS 2020-2024) | 1,671 | 7th of 15 | 263rd of 704 |
| Median household income | $77k | 4th of 10 | 105th of 286 |
| Median home value | $159k | 8th of 8 | 164th of 282 |
Its median household income is higher than in 58% of U.S. residential ZIP codes, and it is denser than 27% of all 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 66451?
The 2020 Census counted 1,709 people in 66451; the ACS, which samples households over 2020-2024, estimates 1,671. Between the 2010 and 2020 censuses its population fell 4.7% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 1,671±265 (90% margin)
- 2020 Census count
- 1,709−4.7% since 2010 (1,793)
- Households
- 624
- Median age
- 37.1
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 66451?
Of the 1,671 people the ACS estimates in 66451, 25.1% are under 18 and 16.6% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (90.8%).
- Under 1825.1%
- 18 to 6458.3%
- 65 and older16.6%
- White, not Hispanic90.8%
- Hispanic or Latino5.9%
- Black, not Hispanic1.6%
- Other or two or more1.5%
- Asian, not Hispanic0.1%
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 66451 earn?
Median household income is $76,908 (ACS 2020-2024), the 4th highest of the 10 ranked ZIP codes in Osage County. It is not measurably different from 2015-2019 ($72,086 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $76,908
- Income per person
- $36,205
- Below the poverty line
- 11.9%
- Unemployed (of the labor force)
- 0.0%
- Adults 25+ with a bachelor's degree
- 26.1%
- Adjusted gross income per tax return, 2022
- $69,106810 returns; wages 67% 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 66451?
- Median home value (owners' estimate)
- $158,500
- Median gross rent
- $742
- Homes owned by their occupants
- 81.4%
- Housing units
- 720
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 66451?
43 business establishments had a location in this ZIP code in 2023, 3 more than in 2018; the most are in retail trade (ZIP Code Business Patterns).
- Retail trade7
- Other services (except public administration)7
- Finance and insurance6
- Accommodation and food services5
- Professional, scientific, and technical services4
- Real estate and rental and leasing3
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 66451?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 66543 | Vassar | 980 | $75k | 4.7 mi |
| 66528 | Quenemo | 761 | $74k | 7.3 mi |
| 66510 | Melvern | 684 | $57k | 7.9 mi |
| 66523 | Osage City | 3,941 | $75k | 8.7 mi |
| 66537 | Scranton | 1,475 | $70k | 10.5 mi |
| 66524 | Overbrook | 2,473 | $84k | 15.8 mi |
| 66856 | Lebo | 1,583 | $76k | 16.1 mi |
| 66076 | Pomona | 2,416 | $74k | 12.6 mi (near) |
| 66414 | Carbondale | 2,360 | $74k | 15.7 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.