ZIP Code 66780
standardSource:
Walnut · Bourbon County · Kansas
- Population
- 589
- Median income
- $55,813
- Median home value
- $157,400
- Bachelor's or higher
- 7.5%
- Land area
- 280.5 sq mi
2/sq mi
▼ 27% vs US
higher than 22% of US ZIPs
▼ 43% vs US
higher than 28% of US ZIPs
Median age 40.2
Chicago
ZIP code 66780 in Walnut, Kansas has a population of 589. The median household income is $55,813, which is 27% below the national average. Median home value is $157,400, 43% below the US average. 7.5% of residents hold a bachelor's degree or higher.
ZIP code 66780 is classified by USPS as a standard delivery area and covers roughly 280.5 square miles in Walnut, Bourbon County, Kansas. The area is home to 589 residents, producing a population density of 2 people per square mile, and falls within the Chicago time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 66780 against Kansas and the nation.
On the economic side, the median household income for ZIP 66780 sits at $55,813 (22% below the Kansas average), while per-capita income is $34,701. The poverty rate stands at 27.2% and the unemployment rate at 1.9%. On housing, the median home value is $157,400 (3% below the state average) with median rent at $442 per month, and 96.4% of occupied units are owner-occupied, a direct signal of whether 66780 behaves more like a homeowner neighborhood or a renter-heavy ZIP.
Education and household profile round out the picture: 7.5% of adults hold a bachelor's degree or higher, the median age is 40.2, and the average commute is —. We also surface 3 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Bourbon County, so you can benchmark 66780 against its immediate geography rather than a national average alone. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + HUD FMR + FHFA HPI ACS demographics, ZBP business establishments, HUD Fair Market Rents, FHFA HPI for ZIP 66780, Walnut, KS · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; HUD FMR + FHFA HPI updated quarterly/annually.
Quick Facts
589
Population
280.5
Area (sq mi)
2
People / sq mi
Chicago
Time Zone
standard
ZIP Type
Who lives in ZIP 66780?
40.2
Median Age
53.9%
Male
46.1%
Female
0.0%
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?
$55,813
Median Household Income
-22% vs state
$34,701
Per Capita Income
27.2%
Poverty Rate
1.9%
Unemployment Rate
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?
302
Total Housing Units
279
Occupied Units
23
Vacant Units
2.42
Avg Household Size
Occupancy Type
$157,400
Median Home Value
-3% vs state
$442
Median Rent
1967
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What businesses operate in this ZIP?
Census Bureau data shows 5 business establishments in ZIP 66780, employing approximately 17 people with a combined annual payroll of $702,000.
5
Businesses
17
Employees
$702K
Annual Payroll
0
Industry Sectors
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 66780 vs 66746 →
More ZIP Codes in Bourbon County
Related Areas
Frequently Asked Questions
What county is ZIP code 66780 in? ▼
What is the population of ZIP code 66780? ▼
What is the median household income in ZIP 66780? ▼
What is the average home value in ZIP 66780? ▼
What is the demographic makeup of ZIP 66780? ▼
How many businesses are in ZIP code 66780? ▼
What is the education level in ZIP code 66780? ▼
What percentage of residents own vs. rent in ZIP 66780? ▼
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ZIP Code Research Guides
Official Data Resources for Walnut, KS
Verify and explore additional data for this area using these official government sources.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023). Business data: Source: Census ZIP Code Business Patterns (ZBP) 2023. Home value trends: Source: FHFA House Price Index (HPI), Five-Digit ZIP Codes.
PlainZIP is not affiliated with the U.S. Census Bureau or any government agency.
Read our methodology , how this data is sourced, computed, and verified.