ZIP Code Tabulation Area · Kansas

ZIP Code 66403: Marshall County, KS

ZIP Code 66403 (Marshall County, Kansas) has an estimated 801 residents in 254 households. The median household income is $71,875, the median home value is $252,300 and the median gross rent is $850/mo. Figures are U.S. Census Bureau American Community Survey 2020–2024 5-year estimates for the matching ZIP Code Tabulation Area.

American Community Survey 2020–2024 5-year estimates · Updated Oct 26, 2026

Some estimates have a large margin of error. 2 figures for this ZIP (home value, owner-occupied) are marked with *. ACS figures come from a sample, and small areas have fewer responses, so treat these numbers as rough ranges.

Total population

801

Margin of error ±223

Median household income

$71,875

Margin of error ±$26,990

Median home value

$252,300*

Margin of error ±$171,889· estimate has a large margin of error

Median gross rent

$850/mo

Margin of error ±$90

Median age

40.5 yrs

Margin of error ±7.7 yrs

Mean travel time to work

18.4 min

Margin of error ±7.8 min

How ZIP 66403 compares with Kansas and the U.S.

State and national figures are the Census Bureau's own estimates for those areas from the same ACS release, not averages of ZIP codes.

Median age

ZIP 6640340.5 yrsKansas37.4 yrsUnited States38.9 yrs

Median household income

ZIP 66403$71,875Kansas$74,275United States$80,734

Per capita income

ZIP 66403$32,189Kansas$40,978United States$44,673

Poverty rate

ZIP 664034.4%Kansas11.3%United States12.5%

Unemployment rate

ZIP 664030.4%Kansas3.9%United States5.2%

Bachelor's degree or higher

ZIP 6640321.0%Kansas35.6%United States35.7%

Median home value

ZIP 66403$252,300*Kansas$217,200United States$332,700

Median gross rent

ZIP 66403$850/moKansas$1,060/moUnited States$1,413/mo

Owner-occupied homes

ZIP 6640387.0%*Kansas67.2%United States65.2%

Mean travel time to work

ZIP 6640318.4 minKansas19.7 minUnited States26.4 min

Worked from home

ZIP 6640310.7%Kansas11.8%United States15.1%

All figures for ZIP 66403

Each estimate has a 90% margin of error: the true value is likely within that range. * marks estimates with a large margin of error (a coefficient of variation above 30%, or ±10 percentage points or more for rates).

ZIP 66403 — ACS 2020–2024 5-year estimates
Measure	ZIP 66403	Margin of error	Kansas	United States
Total population	801	±223	2,947,197	334,922,499
Median age	40.5 yrs	±7.7 yrs	37.4 yrs	38.9 yrs
Households	254	±57	1,174,060	129,227,496
Median household income	$71,875	±$26,990	$74,275	$80,734
Per capita income	$32,189	±$7,707	$40,978	$44,673
Poverty rate	4.4%	±2.6 pts	11.3%	12.5%
Unemployment rate	0.4%	±0.7 pts	3.9%	5.2%
Bachelor's degree or higher	21.0%	±5.1 pts	35.6%	35.7%
Median home value	$252,300*	±$171,889	$217,200	$332,700
Median gross rent	$850/mo	±$90	$1,060/mo	$1,413/mo
Owner-occupied homes	87.0%*	±11.1 pts	67.2%	65.2%
Mean travel time to work	18.4 min	±7.8 min	19.7 min	26.4 min
Worked from home	10.7%	±5.4 pts	11.8%	15.1%

Race and Hispanic or Latino origin

Shares of the total population by the Census Bureau's race and Hispanic or Latino origin categories (table B03002), listed in the Census Bureau's order. People self-identify on the survey.

Population by race and Hispanic or Latino origin, ZIP 66403
Group	ZIP 66403	Kansas	United States
White alone, not Hispanic or Latino	97.4%	72.7%	57.4%
Black or African American alone, not Hispanic or Latino	0.0%	5.2%	11.9%
American Indian and Alaska Native alone, not Hispanic or Latino	0.0%	0.4%	0.5%
Asian alone, not Hispanic or Latino	0.2%	2.9%	5.9%
Native Hawaiian and Other Pacific Islander alone, not Hispanic or Latino	0.0%	0.1%	0.2%
Some other race alone, not Hispanic or Latino	0.0%	0.4%	0.6%
Two or more races, not Hispanic or Latino	1.4%	4.8%	4.3%
Hispanic or Latino (of any race)	1.0%	13.6%	19.3%

Where ZIP 66403 is

State: Kansas
Main county: Marshall County— also overlaps Nemaha County
Largest overlapping place: Axtell (1% of the ZIP's land area)
Land area: 88.53 sq mi· about 9 people per sq mi

County and place names come from the Census Bureau's 2020 ZCTA relationship files. A ZIP code's mailing city, set by the U.S. Postal Service, can differ from these names.

Other ZIP codes in Marshall County

66406 Marshall County, KS 66411 Marshall County, KS 66412 Marshall County, KS 66427 Marshall County, KS 66438 Marshall County, KS 66508 Marshall County, KS 66518 Marshall County, KS 66541 Marshall County, KS 66544 Marshall County, KS 66548 Marshall County, KS

See every ZIP code in Kansas, or compare ZIP 66403 with another ZIP code.

Census figures describe residents as a group and cannot tell you about any one home or street. For a specific address, check local government and housing records.

About ZIP codes and ZCTAs: the Census Bureau publishes statistics for ZIP Code Tabulation Areas, which approximate USPS ZIP code delivery areas. Learn how they differ.

Sources

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, detailed tables B01003, B01002, B11001, B19013, B19301, B17001, B23025, B15003, B25077, B25064, B25003, B08013, B08303, B08301, B03002 — snapshot Oct 26, 2026.
U.S. Census Bureau, 2020 ZCTA5 relationship files (county and place).
Data: U.S. Census Bureau, American Community Survey 5-year estimates (detailed tables) and 2020 Census ZCTA relationship files. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau. These agencies do not endorse OpenZIP.