PlainZIP

Buffalo, ND · standard

ZIP Code 58011

Cass County, North Dakota - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

391
1/sq mi
$99,853
Median income
$245,400
Median home value
40.3%
Bachelor's or higher

The verdict

Buffalo pairs an upper-quartile household income with above-median home values, in a rural, homeowner-dominated area.

Top 19%
household income, US ZIPs
Top 44%
home value, US ZIPs
1
people per sq mi
92%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 58011 against every reporting US ZIP.

ZIP code 58011 is a sparsely populated ZIP (a standard USPS delivery area) in Buffalo, Cass County, North Dakota, home to just 391 residents across 279.3 square miles, a density of 1 people per square mile, in the Chicago time zone.

ZIP 58011 lands in the middle-income range, with a median household income of $99,853 (21% above the North Dakota average), while per-capita income is $48,088. Poverty here runs at 5.6%, with unemployment measured at 0.8%. Median home value sits at $245,400 (36% above the state average), median rent at $2,083 a month, and owner-occupancy at 92.1%.

A solid share of residents have a four-year degree: 40.3% of adults hold a bachelor's degree or higher, the median age is 48.6, and the average commute is 19 minutes. We also surface 3 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Cass County, so you can benchmark 58011 against its immediate geography rather than a national average alone.

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 58011, Buffalo, ND · 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

391

Population

279.3

Area (sq mi)

1

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 58011?

48.6

Median Age

52.6%

Male

47.4%

Female

0.0%

Foreign-Born

White 96.4%
African American 1.3%
Asian 0.0%
American Indian or Alaska Native 0.2%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 1.8%
Hispanic or Latino 2.9%

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?

$99,853

Median Household Income

+21% vs state

$48,088

Per Capita Income

5.6%

Poverty Rate

0.8%

Unemployment Rate

19.4 min

Mean Commute Time

How ZIP 58011 ranks nationally

Buffalo, ND household income vs. every US ZIP code

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

$99,853 Top 19% higher than 81% 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%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). This entry sits in this band. $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 52.2%
Bachelor's Degree or Higher 40.3%

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

What does housing look like?

213

Total Housing Units

190

Occupied Units

23

Vacant Units

2.36

Avg Household Size

Occupancy Type

Owner 92.1%
Renter 7.9%

$245,400

Median Home Value

+36% vs state

$2,083

Median Rent

1977

Median Year Built

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

What businesses operate in this ZIP?

Census Bureau data shows 9 business establishments in ZIP 58011, employing approximately 39 people with a combined annual payroll of $1,505,000.

9

Businesses

39

Employees

$1.5M

Annual Payroll

0

Industry Sectors

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

Nearby ZIP Codes

Want a side-by-side? Compare 58011 vs 58071 →

ZIP 58011 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 58011 ranks #2 by population - useful context the national average alone can't give.

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

ZIP 58011 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 58011 ranks #2 of 3 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
58071 Tower City, ND 409 6.9 mi
58007 Ayr, ND 119 8.1 mi
58002 Absaraka, ND 23 7.5 mi

More ZIP Codes in Cass County

58103 standard
Fargo, ND
Pop: 47,302
58102 standard
Fargo, ND
Pop: 29,850
58104 standard
Fargo, ND
Pop: 28,322
58078 standard
West Fargo, ND
Pop: 26,321
58047 standard
Horace, ND
Pop: 3,560
58105 standard
Fargo, ND
Pop: 2,483

Related Areas

Cass County Buffalo, ND North Dakota

Frequently Asked Questions

What county is ZIP code 58011 in? ▼
ZIP code 58011 (Buffalo) is located in Cass County, North Dakota. Cass County contains multiple ZIP codes, see the full list at /counties/cass-nd.
What is the population of ZIP code 58011? ▼
ZIP code 58011 in Buffalo, ND has a population of 391 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 58011? ▼
The median household income in ZIP 58011 is $99,853, which is 31% above the national average of $76,288.
What is the average home value in ZIP 58011? ▼
The median home value in ZIP 58011 is $245,400, which is 12% below the national average of $278,155.
What is the demographic makeup of ZIP 58011? ▼
The largest racial group in ZIP 58011 is White at 96.4%. Hispanic or Latino residents make up 2.9% of the population.
How many businesses are in ZIP code 58011? ▼
ZIP code 58011 has 9 business establishments employing approximately 39 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What is the education level in ZIP code 58011? ▼
In ZIP code 58011, 52.2% of residents aged 25+ have a high school diploma or higher, and 40.3% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 58011? ▼
The mean commute time for workers in ZIP code 58011 is 19.4 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend less time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 58011? ▼
In ZIP code 58011, approximately 92.1% of occupied housing units are owner-occupied and 7.9% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 58011? ▼
The poverty rate in ZIP code 58011 is 5.6% 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.