PlainZIP

Marietta, MN · standard

ZIP Code 56257

Lac qui Parle County, Minnesota - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

508
2/sq mi
$75,417
Median income
$73,800
Median home value
13.9%
Bachelor's or higher

The verdict

Marietta pairs an above-median household income with among the most affordable home values nationally, in a rural, homeowner-dominated area.

Top 45%
household income, US ZIPs
3th pct
home value, US ZIPs
2
people per sq mi
80%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 56257 against every reporting US ZIP.

ZIP code 56257 is a sparsely populated ZIP (a standard USPS delivery area) in Marietta, Lac qui Parle County, Minnesota, home to just 508 residents across 220.9 square miles, a density of 2 people per square mile, in the Chicago time zone.

ZIP 56257 lands in the middle-income range, with a median household income of $75,417 (8% below the Minnesota average), while per-capita income is $35,924. 25.0% of residents live below the poverty line, and the unemployment rate reads 0.7%. Housing costs here run $73,800 for a typical home value (71% below the state average), with rent averaging $938 a month; 80.1% of homes are owner-occupied.

Formal educational attainment runs low here: just 13.9% of adults hold a bachelor's degree or higher, the median age is 54.2, and the average commute is -. The state and national benchmarks above give 56257's numbers context; they should not be read in isolation.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 56257, Marietta, MN · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

508

Population

220.9

Area (sq mi)

2

People / sq mi

Chicago

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 56257?

54.2

Median Age

50.7%

Male

49.3%

Female

1.3%

Foreign-Born

White 96.6%
African American 0.0%
Asian 0.5%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 2.9%
Hispanic or Latino 0.0%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$75,417

Median Household Income

-8% vs state

$35,924

Per Capita Income

25.0%

Poverty Rate

0.7%

Unemployment Rate

How ZIP 56257 ranks nationally

Marietta, MN household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$75,417 Top 45% higher than 55% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). This entry sits in this band. $80,000–$100,000: 5,778 US ZIPs (19%). Above this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 54.8%
Bachelor's Degree or Higher 13.9%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

209

Total Housing Units

161

Occupied Units

48

Vacant Units

2.34

Avg Household Size

Occupancy Type

Owner 80.1%
Renter 19.9%

$73,800

Median Home Value

-71% vs state

$938

Median Rent

1942

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What businesses operate in this ZIP?

Census Bureau data shows 6 business establishments in ZIP 56257, employing approximately 38 people with a combined annual payroll of $2,464,000.

6

Businesses

38

Employees

$2.5M

Annual Payroll

0

Industry Sectors

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

More ZIP Codes in Lac qui Parle County

56256 standard
Madison, MN
Pop: 2,581
56232 standard
Dawson, MN
Pop: 2,415
56218 standard
Boyd, MN
Pop: 628
56212 standard
Bellingham, MN
Pop: 531

Related Areas

Lac qui Parle County Marietta, MN Minnesota

Frequently Asked Questions

What county is ZIP code 56257 in? ▼
ZIP code 56257 (Marietta) is located in Lac qui Parle County, Minnesota. Lac qui Parle County contains multiple ZIP codes, see the full list at /counties/lac-qui-parle-mn.
What is the population of ZIP code 56257? ▼
ZIP code 56257 in Marietta, MN has a population of 508 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 56257? ▼
The median household income in ZIP 56257 is $75,417, which is 1% below the national average of $76,288.
What is the average home value in ZIP 56257? ▼
The median home value in ZIP 56257 is $73,800, which is 73% below the national average of $278,155.
What is the demographic makeup of ZIP 56257? ▼
The largest racial group in ZIP 56257 is White at 96.6%.
How many businesses are in ZIP code 56257? ▼
ZIP code 56257 has 6 business establishments employing approximately 38 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What is the education level in ZIP code 56257? ▼
In ZIP code 56257, 54.8% of residents aged 25+ have a high school diploma or higher, and 13.9% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What percentage of residents own vs. rent in ZIP 56257? ▼
In ZIP code 56257, approximately 80.1% of occupied housing units are owner-occupied and 19.9% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 56257? ▼
The poverty rate in ZIP code 56257 is 25.0% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

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