ZIP Code Tabulation Area · Minnesota

ZIP Code 56031: Martin County, MN

ZIP Code 56031 (Martin County, Minnesota) has an estimated 11,665 residents in 5,465 households. The median household income is $54,847, the median home value is $179,300 and the median gross rent is $739/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

11,665

Margin of error ±109

Median household income

$54,847

Margin of error ±$3,964

Median home value

$179,300

Margin of error ±$15,902

Median gross rent

$739/mo

Margin of error ±$46

Median age

46.8 yrs

Margin of error ±1.5 yrs

Mean travel time to work

13.8 min

Margin of error ±1.6 min

How ZIP 56031 compares with Minnesota 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 5603146.8 yrsMinnesota38.8 yrsUnited States38.9 yrs

Median household income

ZIP 56031$54,847Minnesota$89,062United States$80,734

Per capita income

ZIP 56031$39,004Minnesota$48,237United States$44,673

Poverty rate

ZIP 5603114.4%Minnesota9.3%United States12.5%

Unemployment rate

ZIP 560313.1%Minnesota4.1%United States5.2%

Bachelor's degree or higher

ZIP 5603125.6%Minnesota39.4%United States35.7%

Median home value

ZIP 56031$179,300Minnesota$329,300United States$332,700

Median gross rent

ZIP 56031$739/moMinnesota$1,280/moUnited States$1,413/mo

Owner-occupied homes

ZIP 5603163.8%Minnesota72.2%United States65.2%

Mean travel time to work

ZIP 5603113.8 minMinnesota22.7 minUnited States26.4 min

Worked from home

ZIP 560317.1%Minnesota17.6%United States15.1%

All figures for ZIP 56031

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 56031 — ACS 2020–2024 5-year estimates
Measure	ZIP 56031	Margin of error	Minnesota	United States
Total population	11,665	±109	5,739,445	334,922,499
Median age	46.8 yrs	±1.5 yrs	38.8 yrs	38.9 yrs
Households	5,465	±223	2,307,955	129,227,496
Median household income	$54,847	±$3,964	$89,062	$80,734
Per capita income	$39,004	±$3,617	$48,237	$44,673
Poverty rate	14.4%	±4.2 pts	9.3%	12.5%
Unemployment rate	3.1%	±1.4 pts	4.1%	5.2%
Bachelor's degree or higher	25.6%	±3.5 pts	39.4%	35.7%
Median home value	$179,300	±$15,902	$329,300	$332,700
Median gross rent	$739/mo	±$46	$1,280/mo	$1,413/mo
Owner-occupied homes	63.8%	±5.0 pts	72.2%	65.2%
Mean travel time to work	13.8 min	±1.6 min	22.7 min	26.4 min
Worked from home	7.1%	±2.6 pts	17.6%	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 56031
Group	ZIP 56031	Minnesota	United States
White alone, not Hispanic or Latino	86.9%	75.9%	57.4%
Black or African American alone, not Hispanic or Latino	1.0%	6.9%	11.9%
American Indian and Alaska Native alone, not Hispanic or Latino	0.0%	0.7%	0.5%
Asian alone, not Hispanic or Latino	0.6%	5.1%	5.9%
Native Hawaiian and Other Pacific Islander alone, not Hispanic or Latino	0.0%	0.0%	0.2%
Some other race alone, not Hispanic or Latino	1.7%	0.5%	0.6%
Two or more races, not Hispanic or Latino	1.8%	4.5%	4.3%
Hispanic or Latino (of any race)	7.9%	6.4%	19.3%

Where ZIP 56031 is

State: Minnesota
Main county: Martin County
Largest overlapping place: Fairmont (10% of the ZIP's land area)
Land area: 156.32 sq mi· about 75 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 Martin County

56039 Martin County, MN 56075 Northrop, MN 56088 Martin County, MN 56121 Martin County, MN 56127 Martin County, MN 56160 Martin County, MN 56162 Martin County, MN 56171 Martin County, MN 56176 Martin County, MN 56181 Martin County, MN

See every ZIP code in Minnesota, or compare ZIP 56031 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.