Residential delivery area · Kansas
ZIP Code 66088: Valley Falls, KS
ZIP code 66088 uses the postal name Valley Falls, Kansas and lies mostly in Jefferson County (97% of its land) with the rest in Atchison County (Census 2020 ZIP-county file). About 2,700 people live there (Census Bureau, ACS 2020-2024). Median household income is $75,795 (Census Bureau, ACS 2020-2024). By Census place, under 1% of its land lies in Valley Falls; more than 99% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2023
- ZBP2023
- IRS2022
- Town
- Valley Falls · its only residential ZIP
- County
- Jefferson County (97%); Atchison County (3%)
- Census places
- Valley Falls
- Metro area
- Topeka, KS
- House districts
- KS-1 (97%), KS-2 (3%) 119th Congress, by share of land
- State
- Kansas
- Time zone
- Central
- Land area
- 120.0 sq mi · 22 people per sq mi
Where is ZIP code 66088?
66088 centers on 39.341°, -95.456° and covers 120.0 square miles of land plus 1.8 of water. It borders 8 ZIP codes: 66419, 66060, 66070, 66512, 66097, 66066, 66023, 66436.
The map draws ZIP code areas only. For the streets inside 66088, 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 66088 compare with the rest of Jefferson County?
| Measure | 66088 | In Jefferson County | In KS |
|---|---|---|---|
| People (ACS 2020-2024) | 2,697 | 8th of 15 | 197th of 704 |
| Median household income | $76k | 7th of 10 | 113th of 286 |
| Median home value | $196k | 10th of 12 | 117th of 282 |
Its median household income is higher than in 56% of U.S. residential ZIP codes, and it is denser than 28% 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 66088?
The 2020 Census counted 2,310 people in 66088; the ACS, which samples households over 2020-2024, estimates 2,697. Between the 2010 and 2020 censuses its population fell 6.0% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 2,697±322 (90% margin)
- 2020 Census count
- 2,310−6.0% since 2010 (2,457)
- Households
- 1,122
- Median age
- 45.4
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 66088?
Of the 2,697 people the ACS estimates in 66088, 21.6% are under 18 and 18.9% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (92.6%).
- Under 1821.6%
- 18 to 6459.5%
- 65 and older18.9%
- White, not Hispanic92.6%
- Other or two or more5.2%
- Hispanic or Latino1.1%
- Black, not Hispanic1.0%
- Asian, not Hispanic0.2%
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 66088 earn?
Median household income is $75,795 (ACS 2020-2024), the 7th highest of the 10 ranked ZIP codes in Jefferson County. It is not measurably different from 2015-2019 ($80,138 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $75,795±$16,165
- Income per person
- $37,787
- Below the poverty line
- 4.0%
- Unemployed (of the labor force)
- 1.6%
- Adults 25+ with a bachelor's degree
- 23.2%
- Adjusted gross income per tax return, 2022
- $71,1911,050 returns; wages 73% 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 66088?
- Median home value (owners' estimate)
- $196,000
- Median gross rent
- $785
- Homes owned by their occupants
- 74.5%
- Housing units
- 1,254
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 66088?
50 business establishments had a location in this ZIP code in 2023, 5 fewer than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction11
- Other services (except public administration)9
- Health care and social assistance5
- Retail trade4
- Professional, scientific, and technical services4
- Accommodation and food services4
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 66088?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 66419 | Denison | 600 | $100k | 7.7 mi |
| 66060 | Nortonville | 1,325 | $77k | 8.5 mi |
| 66070 | Ozawkie | 1,944 | $86k | 9.0 mi |
| 66512 | Meriden | 3,678 | $79k | 10.3 mi |
| 66097 | Winchester | 995 | $66k | 11.3 mi |
| 66066 | Oskaloosa | 2,432 | $80k | 11.7 mi |
| 66023 | Effingham | 1,189 | $56k | 12.3 mi |
| 66436 | Holton | 5,537 | $71k | 15.9 mi |
| 66440 | Hoyt | 1,943 | $97k | 12.8 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.