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 Low-density area
- $99,853
- Median income Above-median income area
- $245,400
- Median home value Near-median home value
- 40.3%
- Bachelor's or higher Above-average bachelor's attainment
National ZIP placement
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 average North Dakota ZIP), while per-capita income is $48,088. Both reported hardship measures are comparatively low in absolute terms: poverty is 5.6% and unemployment is 0.8%. Housing is both higher-cost and owner-heavy: median home value is $245,400 (36% above the average North Dakota ZIP), while 92.1% of occupied homes are owner-occupied and median rent is $2,083.
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. The page also surfaces 3 ZIP codes within roughly 10 miles and 6 more in Cass County, so 58011 can be compared with both its immediate and county-level context.
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
Who lives in ZIP 58011?
48.6
Median Age
52.6%
Male
47.4%
Female
0.0%
Foreign-Born
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 ZIP avg
$48,088
Per Capita Income
5.6%
Poverty Rate
0.8%
Unemployment Rate
19.4 min
Mean Commute Time
How ZIP 58011 ranks among North Dakota ZIPs
Buffalo, ND household income vs. every North Dakota ZIP code
Median household income among 353 reporting North Dakota ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$99,853 Top 22% higher than 78% of 353 North Dakota ZIPs
Each bar is a $20K-wide band; taller bars hold more North Dakota 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?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
Housing stock: occupied vs vacant
213housing units
213
Total Housing Units
190
Occupied Units
23
Vacant Units
2.36
Avg Household Size
Occupancy Type
$245,400
Median Home Value
+36% vs state ZIP avg
$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.
- 58071
Tower City (58071)
409 residents
- 58011
Buffalo (58011)
391 residents
- 58007 119
Ayr (58007)
119 residents
- 58002 23
Absaraka (58002)
23 residents
What this shows Among its immediate neighbors, ZIP 58011 ranks #2 by population - useful context the national average alone can't give.
ZIP 58011 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 58071
Tower City (58071)
$109,375 median income
- 58011
Buffalo (58011)
$99,853 median income
- 58007
Ayr (58007)
$81,250 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.
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 58011, both outside ND so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Cass County
Related Areas
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.
Related
Take this with you
What to do with ZIP 58011's numbers, next.
- See how ZIP 58011 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Buffalo, ND ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.