ZIP Code Tabulation Area · Kansas

ZIP Code 66858: Marion County, KS

ZIP Code 66858 (Marion County, Kansas) has an estimated 428 residents in 175 households. The median household income is $76,563, the median home value is $92,500 and the median gross rent is $569/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

Total population

428

Margin of error ±75

Median household income

$76,563

Margin of error ±$18,719

Median home value

$92,500

Margin of error ±$22,667

Median gross rent

$569/mo

Margin of error ±$10

Median age

51.0 yrs

Margin of error ±8.8 yrs

Mean travel time to work

25.8 min

Margin of error ±9.7 min

How ZIP 66858 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 6685851.0 yrsKansas37.4 yrsUnited States38.9 yrs

Median household income

ZIP 66858$76,563Kansas$74,275United States$80,734

Per capita income

ZIP 66858$35,633Kansas$40,978United States$44,673

Poverty rate

ZIP 668586.8%Kansas11.3%United States12.5%

Unemployment rate

ZIP 668585.2%Kansas3.9%United States5.2%

Bachelor's degree or higher

ZIP 6685833.3%Kansas35.6%United States35.7%

Median home value

ZIP 66858$92,500Kansas$217,200United States$332,700

Median gross rent

ZIP 66858$569/moKansas$1,060/moUnited States$1,413/mo

Owner-occupied homes

ZIP 6685893.7%Kansas67.2%United States65.2%

Mean travel time to work

ZIP 6685825.8 minKansas19.7 minUnited States26.4 min

Worked from home

ZIP 6685815.8%Kansas11.8%United States15.1%

All figures for ZIP 66858

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 66858 — ACS 2020–2024 5-year estimates
Measure	ZIP 66858	Margin of error	Kansas	United States
Total population	428	±75	2,947,197	334,922,499
Median age	51.0 yrs	±8.8 yrs	37.4 yrs	38.9 yrs
Households	175	±27	1,174,060	129,227,496
Median household income	$76,563	±$18,719	$74,275	$80,734
Per capita income	$35,633	±$4,032	$40,978	$44,673
Poverty rate	6.8%	±4.5 pts	11.3%	12.5%
Unemployment rate	5.2%	±4.3 pts	3.9%	5.2%
Bachelor's degree or higher	33.3%	±9.0 pts	35.6%	35.7%
Median home value	$92,500	±$22,667	$217,200	$332,700
Median gross rent	$569/mo	±$10	$1,060/mo	$1,413/mo
Owner-occupied homes	93.7%	±6.9 pts	67.2%	65.2%
Mean travel time to work	25.8 min	±9.7 min	19.7 min	26.4 min
Worked from home	15.8%	±5.9 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 66858
Group	ZIP 66858	Kansas	United States
White alone, not Hispanic or Latino	87.9%	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	0.7%	0.4%	0.5%
Asian alone, not Hispanic or Latino	0.0%	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	3.0%	4.8%	4.3%
Hispanic or Latino (of any race)	8.4%	13.6%	19.3%

Where ZIP 66858 is

State: Kansas
Main county: Marion County— also overlaps Chase County
Largest overlapping place: Lincolnville (less than 1% of the ZIP's land area)
Land area: 76.78 sq mi· about 6 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 Marion County

66851 Marion County, KS 66859 Marion County, KS 66861 Marion County, KS 66866 Marion County, KS 67053 Goessel, KS 67063 Marion County, KS 67073 Marion County, KS 67438 Marion County, KS 67475 Marion County, KS 67483 Marion County, KS

See every ZIP code in Kansas, or compare ZIP 66858 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.