Postal Codes

66023 ZIP Code

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ZIP code 66023 covers Effingham, Kansas, with a population of about 954 and a median household income of $54,955.

Population
95413 per square mile
Median age
61.422.7 points above the US average
Median household income
$54,95524% below the Kansas median
Poverty rate
3.4%9 points below the US average
Typical home value
$226,228up 41.6% in five years
Median rent
$84618% below the Kansas median
Degree or higher
10.9%24.1 points below the US average
Homeownership
81.1%16.1 points above the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
16

Where 66023 is

Effingham, Kansas — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population954
Median age61.4
Family households59.2%
Born outside the US0.4%
Speaks a language other than English at home0.2%
White (non-Hispanic)92.3%
Black (non-Hispanic)0%
Asian (non-Hispanic)0%
Hispanic or Latino0.4%
Veterans3.6%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$54,955
Income per person$36,676
Poverty rate3.4%
Households on SNAP or cash assistance5.5%

Household income distribution

Under $10k3.4%
$10–15k1.7%
$15–20k2.1%
$20–25k1.1%
$25–30k9.1%
$30–35k11.4%
$35–40k0.6%
$40–45k2.7%
$45–50k10.7%
$50–60k8.6%
$60–75k20.4%
$75–100k8.0%
$100–125k14.5%
$125–150k2.9%
$150–200k2.3%
$200k or more0.4%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed460
Mean adjusted gross income$64,046
Returns declaring $200,000 or more0%
Returns, under $25k26.1%
Returns, $25k–$50k23.9%
Returns, $50k–$75k17.4%
Returns, $75k–$100k13.0%
Returns, $100k–$200k19.6%
Returns, $200k or more0.0%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$108,400
Median gross rent$846
Rent as a share of household income14.8%
Owner-occupied81.1%
Vacant homes9.7%
Median year built1970

What the homes are

Detached house88.4%
2 to 4 units3.8%
20 or more units1.5%
Mobile home6.3%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$226,228as of 2026-07
Typical home value, 1 yearup 11%
Typical home value, 5 yearsup 41.6%
Typical home value since 2000
201720212026$226,228$106,708

$106,708 in 2017 to $226,228 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate3.2%
Bachelor's degree or higher10.9%
High school diploma or higher96.1%
Works from home4.8%
Drives to work alone85.8%
Takes public transport0%
Commutes 45 minutes or more12.2%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity37.7% 4.3 pts above the national average of 33.4%
Diagnosed diabetes12.5% 0.5 pts above the national average of 12%
Currently smokes16.5% 3.3 pts above the national average of 13.2%
High blood pressure39% 4.9 pts above the national average of 34.1%
Fair or poor general health20% same as the national average of 20.3%
No health insurance (18–64)8.4% 2.9 pts below the national average of 11.3%
Depression21.2% 0.7 pts below the national average of 21.9%
No leisure-time physical activity29.1% 3.7 pts above the national average of 25.4%
Arthritis31.8% 6.7 pts above the national average of 25.1%
Binge drinking15.2% 0.8 pts below the national average of 16%
Taking blood pressure medication81.1% 6.4 pts above the national average of 74.7%
Cancer (non-skin)10.2% 2.5 pts above the national average of 7.7%
Current asthma10.4% same as the national average of 10.4%
Coronary heart disease8.1% 1.9 pts above the national average of 6.2%
Routine check-up in past year77.4% 0.7 pts above the national average of 76.7%
Cholesterol screening85.6% same as the national average of 85.9%
Cognitive disability15.1% same as the national average of 14.8%
Colorectal screening64.5% same as the national average of 64.3%
COPD8.7% 2.1 pts above the national average of 6.6%
Visited a dentist61.3% same as the national average of 61.3%
Any disability34.7% 4 pts above the national average of 30.7%
Lacks emotional support21.3% 3.5 pts below the national average of 24.8%
Food insecurity11.5% 5.6 pts below the national average of 17.1%
Received food stamps6.6% 7.7 pts below the national average of 14.3%
Hearing disability9.4% 2.7 pts above the national average of 6.7%
High cholesterol38.9% 2.7 pts above the national average of 36.2%
Housing insecurity9.6% 4.2 pts below the national average of 13.8%
Independent living disability8.5% same as the national average of 8.4%
Lacks transport6.4% 2.8 pts below the national average of 9.2%
Loneliness31.1% 3.3 pts below the national average of 34.4%
Mammography use73.6% 2.3 pts below the national average of 75.9%
Poor mental health (14+ days)16.7% same as the national average of 16.8%
Mobility disability16.3% 2.3 pts above the national average of 14%
Poor physical health (14+ days)14.2% 0.7 pts above the national average of 13.5%
Self-care disability3.9% same as the national average of 4%
Utility shut-off threat7.1% 1.7 pts below the national average of 8.8%
Sleeps under 7 hours34.7% 1.7 pts below the national average of 36.4%
Stroke4% 0.6 pts above the national average of 3.4%
All natural teeth lost10.7% 2.3 pts below the national average of 13%
Vision disability4.7% 0.9 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments16
People employed65
Annual payroll$2,760,000
Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 88.4% of US census tracts
FEMA ratingRelatively High
Expected annual loss90.3 out of 100
Community resilience68.8 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Drought98.4Relatively High at its worst in this ZIP code
Hail97.3Relatively High at its worst in this ZIP code
Wildfire96.6Relatively High at its worst in this ZIP code
Strong wind96.3Relatively High at its worst in this ZIP code
Tornado96.3Very High at its worst in this ZIP code
Landslide95.5Relatively Low at its worst in this ZIP code
Winter weather95.2Relatively High at its worst in this ZIP code
Ice storm94.5Relatively High at its worst in this ZIP code
Lightning92.2Relatively High at its worst in this ZIP code
Heat wave88.3Relatively High at its worst in this ZIP code
River flooding87Relatively High at its worst in this ZIP code
Cold wave72Relatively Moderate at its worst in this ZIP code
Earthquake37.8Very Low at its worst in this ZIP code
Compared with Kansas and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPKansasUnited States
Median household income$54,955$72,639$78,538
Income per person$36,676$39,638$43,289
Poverty rate3.4%11.5%12.4%
Median home value$108,400$203,400$303,400
Median gross rent$846$1,029$1,348
Homeownership81.1%66.9%65%
Bachelor's degree or higher10.9%35.2%35%
Unemployment rate3.2%3.9%5.2%
Works from home4.8%10.7%13.5%
Born outside the US0.4%7.2%13.9%
Median age61.437.238.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationHORTON, KS US19.1 km away
Rain in a year38 in
Snow in a year11 in

Average high and low by month

January36.9°F / 15.7°F0.76 in rain, 2.8 in snow
February42.6°F / 19.6°F1.28 in rain, 2.9 in snow
March54°F / 29.9°F2.13 in rain, 0.9 in snow
April64.4°F / 41.3°F3.82 in rain, 0.2 in snow
May75.1°F / 53.3°F5.23 in rain
June84.1°F / 63.6°F4.77 in rain
July88.4°F / 67.7°F5.42 in rain
August86.8°F / 64.8°F4.27 in rain
September79.5°F / 55.8°F3.71 in rain
October67.3°F / 42°F3.25 in rain, 0.2 in snow
November52.6°F / 29.9°F1.81 in rain, 0.6 in snow
December40.7°F / 20.4°F1.49 in rain, 3.1 in snow
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarketNone of this ZIP code
Far from a supermarketNone of this ZIP code
No vehicle and far from a supermarketNone of this ZIP code
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

Atchison County Community Schools Unified School District 37799.6% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability18more vulnerable than 18% of US census tracts
Socioeconomic status27more vulnerable than 27% of US census tracts
Household characteristics13more vulnerable than 13% of US census tracts
Racial and ethnic minority status5more vulnerable than 5% of US census tracts
Housing type and transport36more vulnerable than 36% of US census tracts
Walkability3.6 out of 20Least walkable
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

66058 Muscotah, KS10.2 km away
66016 Cummings, KS10.7 km away
66041 Lancaster, KS11.6 km away
66060 Nortonville, KS14.2 km away
66424 Everest, KS18.5 km away
66088 Valley Falls, KS20.1 km away
66552 Whiting, KS20.2 km away
66439 Horton, KS20.6 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Atchison County100% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area72.01 sq mi
Water area0.28 sq mi
Population density13 people per sq mi
Latitude, longitude39.5222, -95.4008

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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