PlainZIP

Walnut, KS · standard

ZIP Code 66780

Bourbon County, Kansas - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

589
2/sq mi
$55,813
Median income
$157,400
Median home value
7.5%
Bachelor's or higher

The verdict

Walnut pairs one of the lowest household incomes in the country with below-median home values, in a rural, homeowner-dominated area.

22th pct
household income, US ZIPs
28th pct
home value, US ZIPs
2
people per sq mi
96%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 66780 against every reporting US ZIP.

ZIP code 66780 is a sparsely populated ZIP (a standard USPS delivery area) in Walnut, Bourbon County, Kansas, home to just 589 residents across 280.5 square miles, a density of 2 people per square mile, in the Chicago time zone.

ZIP 66780 reports a modest median household income of $55,813 (22% below the Kansas average), while per-capita income is $34,701. Poverty here runs at 27.2%, with unemployment measured at 1.9%. Median home value sits at $157,400 (3% below the state average), median rent at $442 a month, and owner-occupancy at 96.4%.

Formal educational attainment runs low here: just 7.5% of adults hold a bachelor's degree or higher, the median age is 40.2, and the average commute is -. Beyond these figures, 3 nearby ZIP codes within about 10 miles are surfaced below, along with 6 more sharing Bourbon County, letting you compare 66780 to its immediate surroundings rather than a national baseline alone.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, 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; FHFA HPI updated quarterly/annually.

Quick Facts

589

Population

280.5

Area (sq mi)

2

People / sq mi

Chicago

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 66780?

40.2

Median Age

53.9%

Male

46.1%

Female

0.0%

Foreign-Born

White 94.5%
African American 0.0%
Asian 0.0%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 5.5%
Hispanic or Latino 0.0%

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

How ZIP 66780 ranks nationally

Walnut, KS household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$55,813 22nd percentile higher than 22% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). This entry sits in this band. $60,000–$80,000: 9,980 US ZIPs (33%). Above this entry. $80,000–$100,000: 5,778 US ZIPs (19%). Above this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 42.1%
Bachelor's Degree or Higher 7.5%

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

Owner 96.4%
Renter 3.6%

$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 →

ZIP 66780 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 66780 ranks #2 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 66780 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 66780 ranks #3 of 4 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
66746 Hepler, KS 261 6.4 mi
66775 Stark, KS 191 7.7 mi
66771 Saint Paul, KS 1,028 10.1 mi

More ZIP Codes in Bourbon County

66701 standard
Fort Scott, KS
Pop: 12,325
66779 standard
Uniontown, KS
Pop: 650
66716 standard
Bronson, KS
Pop: 567
66769 standard
Redfield, KS
Pop: 557
66754 standard
Mapleton, KS
Pop: 451
66738 standard
Fulton, KS
Pop: 376

Related Areas

Bourbon County Walnut, KS Kansas

Frequently Asked Questions

What county is ZIP code 66780 in? ▼
ZIP code 66780 (Walnut) is located in Bourbon County, Kansas. Bourbon County contains multiple ZIP codes, see the full list at /counties/bourbon-ks.
What is the population of ZIP code 66780? ▼
ZIP code 66780 in Walnut, KS has a population of 589 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 66780? ▼
The median household income in ZIP 66780 is $55,813, which is 27% below the national average of $76,288.
What is the average home value in ZIP 66780? ▼
The median home value in ZIP 66780 is $157,400, which is 43% below the national average of $278,155.
What is the demographic makeup of ZIP 66780? ▼
The largest racial group in ZIP 66780 is White at 94.5%.
How many businesses are in ZIP code 66780? ▼
ZIP code 66780 has 5 business establishments employing approximately 17 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What is the education level in ZIP code 66780? ▼
In ZIP code 66780, 42.1% of residents aged 25+ have a high school diploma or higher, and 7.5% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What percentage of residents own vs. rent in ZIP 66780? ▼
In ZIP code 66780, approximately 96.4% of occupied housing units are owner-occupied and 3.6% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 66780? ▼
The poverty rate in ZIP code 66780 is 27.2% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.