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 Low-density area
- $85,500
- Median income Above-median income area
- 19.1%
- Bachelor's or higher Near-average bachelor's attainment
National ZIP placement
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 average Kansas ZIP), while per-capita income is $41,070. The poverty rate is 8.5%, with unemployment at 0.0%; those measures add context to the income figure. The ACS does not report a median home value for this ZIP, so housing cost context is limited to the available tenure and rent fields.
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 -. The page also surfaces 3 ZIP codes within roughly 10 miles and 6 more in Washington County, so 66955 can be compared with both its immediate and county-level context.
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
Who lives in ZIP 66955?
53.9
Median Age
53.2%
Male
46.8%
Female
2.1%
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?
$85,500
Median Household Income
+19% vs state ZIP avg
$41,070
Per Capita Income
8.5%
Poverty Rate
0.0%
Unemployment Rate
How ZIP 66955 ranks among Kansas ZIPs
Mahaska, KS household income vs. every Kansas ZIP code
Median household income among 659 reporting Kansas ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$85,500 Top 22% higher than 78% of 659 Kansas ZIPs
Each bar is a $20K-wide band; taller bars hold more Kansas 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?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
Housing stock: occupied vs vacant
38housing units
38
Total Housing Units
26
Occupied Units
12
Vacant Units
1.81
Avg Household Size
Occupancy Type
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.
- 66958
Morrowville (66958)
314 residents
- 66944
Haddam (66944)
195 residents
- 66960
Narka (66960)
167 residents
- 66955 114
Mahaska (66955)
114 residents
What this shows Among its immediate neighbors, ZIP 66955 ranks #4 by population - useful context the national average alone can't give.
ZIP 66955 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 66955
Mahaska (66955)
$85,500 median income
- 66958
Morrowville (66958)
$77,750 median income
- 66944
Haddam (66944)
$75,625 median income
- 66960
Narka (66960)
$50,208 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.
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 66955, both outside KS so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Washington County
Related Areas
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.
Related
Take this with you
What to do with ZIP 66955's numbers, next.
- See how ZIP 66955 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Mahaska, KS ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.