PlainZIP

Mahaska, KS · standard

ZIP Code 66955

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

114
1/sq mi
$85,500
Median income
19.1%
Bachelor's or higher

The verdict

Mahaska pairs an above-median household income, in a rural, homeowner-dominated area.

Top 32%
household income, US ZIPs
1
people per sq mi
100%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 66955 against every reporting US ZIP.

ZIP code 66955 is a sparsely populated ZIP (a standard USPS delivery area) in Mahaska, Washington County, Kansas, home to just 114 residents across 103.6 square miles, a density of 1 people per square mile, in the Chicago time zone.

ZIP 66955 lands in the middle-income range, with a median household income of $85,500 (19% above the Kansas average), while per-capita income is $41,070. Poverty here runs at 8.5%, with unemployment measured at 0.0%. Housing costs here run - for a typical home value, with rent averaging - a month; 100.0% of homes are owner-occupied.

Educational attainment sits below the national norm: 19.1% of adults hold a bachelor's degree or higher, the median age is 53.9, and the average commute is -. To put 66955 in local context, 3 ZIP codes within roughly 10 miles appear further down this page alongside 6 additional ZIPs in Washington County, for a geography-aware comparison.

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 66955, Mahaska, 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

114

Population

103.6

Area (sq mi)

1

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 66955?

53.9

Median Age

53.2%

Male

46.8%

Female

2.1%

Foreign-Born

White 91.5%
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 8.5%
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?

$85,500

Median Household Income

+19% vs state

$41,070

Per Capita Income

8.5%

Poverty Rate

0.0%

Unemployment Rate

How ZIP 66955 ranks nationally

Mahaska, KS household income vs. every US ZIP code

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

$85,500 Top 32% higher than 68% 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%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). This entry sits in this band. $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 51.1%
Bachelor's Degree or Higher 19.1%

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

What does housing look like?

38

Total Housing Units

26

Occupied Units

12

Vacant Units

1.81

Avg Household Size

Occupancy Type

Owner 100.0%
Renter 0.0%

1938

Median Year Built

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

Nearby ZIP Codes

Want a side-by-side? Compare 66955 vs 66944 →

ZIP 66955 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 66955 ranks #4 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 66955 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 66955 ranks the highest 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
66944 Haddam, KS 195 8.4 mi
66960 Narka, KS 167 7.3 mi
66958 Morrowville, KS 314 7.9 mi

More ZIP Codes in Washington County

66968 standard
Washington, KS
Pop: 1,626
66945 standard
Hanover, KS
Pop: 1,096
66937 standard
Clifton, KS
Pop: 893
66953 standard
Linn, KS
Pop: 703
66943 standard
Greenleaf, KS
Pop: 505
66958 standard
Morrowville, KS
Pop: 314

Related Areas

Washington County Mahaska, KS Kansas

Frequently Asked Questions

What county is ZIP code 66955 in? ▼
ZIP code 66955 (Mahaska) is located in Washington County, Kansas. Washington County contains multiple ZIP codes, see the full list at /counties/washington-ks.
What is the population of ZIP code 66955? ▼
ZIP code 66955 in Mahaska, KS has a population of 114 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 66955? ▼
The median household income in ZIP 66955 is $85,500, which is 12% above the national average of $76,288.
What is the demographic makeup of ZIP 66955? ▼
The largest racial group in ZIP 66955 is White at 91.5%.
What is the education level in ZIP code 66955? ▼
In ZIP code 66955, 51.1% of residents aged 25+ have a high school diploma or higher, and 19.1% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the poverty rate in ZIP code 66955? ▼
The poverty rate in ZIP code 66955 is 8.5% 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.