Washington

Source:

Kansas

Washington is a sparsely populated county in Kansas with 11 ZIP codes, 6,134 people, and above-median household income among US counties. All data is sourced from the U.S. Census Bureau American Community Survey (ACS) 2023 5-Year Estimates.

National county placement

According to ACS 5-Year Estimates, Washington, KS sits among US counties with an above-median household income, on a sparsely populated county population base, across a compact ZIP cluster.

Top 49%
household income vs 3,210 US counties
6,134
combined ZIP population
11
USPS ZIP codes covered
$68,109
avg ZIP median income

Income percentile ranks this county's average ZIP median household income against 3,210 US counties with ACS income on at least one ZIP.

Washington lands in the national county income distribution as above-median household income on sparsely populated county footing (FIPS 20201, 11 ZIPs, combined population 6,134). Sort the ZIP table by population before treating the county mean as uniform.

Above-median income on a compact ZIP cluster (11 codes). Population density still swings from downtown to farm-edge; the density column is the fastest filter before a side-by-side compare. County-level HUD and FBI inputs still key off FIPS 20201.

Save two ZIPs from the table into your shortlist, then open a compare link - that is the return path a static county summary cannot replace. All figures here come from Census ACS 2023 5-Year Estimates and USPS ZCTA files.

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11

Total ZIPs

6,134

Total Population

ZIP Codes in Washington

Side-by-side: Compare 66968 vs 66945 →

ZIP Code City Population Density
66968 Washington 1,626 5
66945 Hanover 1,096 4
66937 Clifton 893 2
66953 Linn 703 4
66943 Greenleaf 505 2
66958 Morrowville 314 2
66933 Barnes 298 1
66962 Palmer 264 2
66944 Haddam 195 1
66946 Hollenberg 126 1
66955 Mahaska 114 1

Frequently Asked Questions

What is the population of Washington?

Washington has a total population of 6,134 across 11 ZIP codes, based on U.S. Census Bureau ACS 2023 data.

What ZIP codes are in Washington?

Washington includes 11 ZIP codes: 66968, 66945, 66937, 66953, 66943, 66958, 66933, 66962, 66944, 66946, and more.

Washington's figures come from Census ACS 5-Year Estimates (2023), mapped to ZIP codes via the HUD USPS Crosswalk. PlainZIP is not affiliated with the U.S. Census Bureau or any government agency. See our methodology for details.

Related

Compare any two ZIPs side by side

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