Residential delivery area · Kansas
ZIP Code 66427: Frankfort, KS
ZIP code 66427 uses the postal name Frankfort, Kansas and lies mostly in Marshall County (90% of its land) with the rest in Pottawatomie County (Census 2020 ZIP-county file). About 1,300 people live there (Census Bureau, ACS 2020-2024). Median household income is $79,481 (Census Bureau, ACS 2020-2024). By Census place, under 1% of its land lies in Frankfort; more than 99% is outside any Census place.
- ACS2020-24
- Census2020
- ZBP2023
- IRS2022
- Town
- Frankfort · its only residential ZIP
- County
- Marshall County (90%); Pottawatomie County (10%)
- Census places
- Frankfort
- House district
- KS-1 119th Congress
- State
- Kansas
- Time zone
- Central
- Land area
- 211.4 sq mi · 6 people per sq mi
Where is ZIP code 66427?
66427 centers on 39.661°, -96.439° and covers 211.4 square miles of land plus 1.3 of water. It borders 9 ZIP codes: 66544, 66411, 66438, 66406, 66549, 66521, 66508, 66403, 66520.
The map draws ZIP code areas only. For the streets inside 66427, 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 66427 compare with the rest of Marshall County?
| Measure | 66427 | In Marshall County | In KS |
|---|---|---|---|
| People (ACS 2020-2024) | 1,334 | 2nd of 12 | 297th of 704 |
| Median household income | $80k | 1st of 2 | 93rd of 286 |
| Median home value | $134k | 2nd of 2 | 198th of 282 |
Its median household income is higher than in 61% of U.S. residential ZIP codes, and it is denser than 12% 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 66427?
The 2020 Census counted 1,328 people in 66427; the ACS, which samples households over 2020-2024, estimates 1,334. Between the 2010 and 2020 censuses its population grew 3.7% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 1,334±151 (90% margin)
- 2020 Census count
- 1,328+3.7% since 2010 (1,281)
- Households
- 556
- Median age
- 45.1
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 66427?
Of the 1,334 people the ACS estimates in 66427, 21.7% are under 18 and 24.1% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (98.3%).
- Under 1821.7%
- 18 to 6454.2%
- 65 and older24.1%
- White, not Hispanic98.3%
- Black, not Hispanic1.2%
- Other or two or more0.2%
- Hispanic or Latino0.1%
- 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 66427 earn?
Median household income is $79,481 (ACS 2020-2024). It is not measurably different from 2015-2019 ($73,502 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $79,481±$10,837
- Income per person
- $38,217
- Below the poverty line
- 11.7%
- Unemployed (of the labor force)
- 0.9%
- Adults 25+ with a bachelor's degree
- 23.9%
- Adjusted gross income per tax return, 2022
- $87,523600 returns; wages 50% 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 66427?
- Median home value (owners' estimate)
- $133,600
- Median gross rent
- $748
- Homes owned by their occupants
- 83.8%
- Housing units
- 627
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001).
What businesses are in 66427?
44 business establishments had a location in this ZIP code in 2023, 4 more than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction11
- Retail trade9
- Manufacturing3
- Transportation and warehousing3
- 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 66427?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 66544 | Vermillion | 287 | $97k | 9.0 mi |
| 66411 | Blue Rapids | 1,127 | $57k | 11.0 mi |
| 66438 | Home | 200 | $76k | 12.6 mi |
| 66406 | Beattie | 365 | $68k | 16.1 mi |
| 66549 | Westmoreland | 1,526 | $79k | 16.6 mi |
| 66521 | Onaga | 1,417 | $61k | 17.3 mi |
| 66508 | Marysville | 3,987 | $56k | 17.5 mi |
| 66403 | Axtell | 801 | $72k | 18.2 mi |
| 66520 | Olsburg | 635 | $95k | 19.5 mi |
| 66415 | Centralia | 762 | $70k | 16.1 mi (near) |
| 66548 | Waterville | 975 | $71k | 17.2 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.