Colfax, ND · standard
ZIP Code 58018
Richland County, North Dakota - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 324
- 2/sq mi Low-density area
- $105,000
- Median income Above-median income area
- $280,400
- Median home value Near-median home value
- 47.3%
- Bachelor's or higher Above-average bachelor's attainment
National ZIP placement
Colfax pairs an upper-quartile household income with above-median home values, in a rural, homeowner-dominated area.
- Top 16%
- household income, US ZIPs
- Top 37%
- home value, US ZIPs
- 2
- people per sq mi
- 96%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 58018 against every reporting US ZIP.
ZIP code 58018 is a sparsely populated ZIP (a standard USPS delivery area) in Colfax, Richland County, North Dakota, home to just 324 residents across 190.6 square miles, a density of 2 people per square mile, in the Chicago time zone.
ZIP 58018 lands in the middle-income range, with a median household income of $105,000 (27% above the average North Dakota ZIP), while per-capita income is $42,297. Both reported hardship measures are comparatively low in absolute terms: poverty is 1.4% and unemployment is 1.6%. Housing is both higher-cost and owner-heavy: median home value is $280,400 (56% above the average North Dakota ZIP), while 96.2% of occupied homes are owner-occupied.
A solid share of residents have a four-year degree: 47.3% of adults hold a bachelor's degree or higher, the median age is 41.1, and the average commute is -. The page also surfaces 2 ZIP codes within roughly 10 miles and 6 more in Richland County, so 58018 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 58018, Colfax, 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
324
Population
190.6
Area (sq mi)
2
People / sq mi
Chicago
Time Zone
standard
ZIP Type
Who lives in ZIP 58018?
41.1
Median Age
46.5%
Male
53.5%
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?
$105,000
Median Household Income
+27% vs state ZIP avg
$42,297
Per Capita Income
1.4%
Poverty Rate
1.6%
Unemployment Rate
How ZIP 58018 ranks among North Dakota ZIPs
Colfax, 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)
$105,000 Top 17% higher than 83% 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
151housing units
151
Total Housing Units
132
Occupied Units
19
Vacant Units
3.24
Avg Household Size
Occupancy Type
$280,400
Median Home Value
+56% vs state ZIP avg
1969
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What businesses operate in this ZIP?
Census Bureau data shows 14 business establishments in ZIP 58018, employing approximately 31 people with a combined annual payroll of $2,557,000.
14
Businesses
31
Employees
$2.6M
Annual Payroll
2
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Construction | 3 | 21.4% |
| Wholesale trade | 3 | 21.4% |
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 58018 vs 58077 →
ZIP 58018 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 58077
Walcott (58077)
787 residents
- 58018
Colfax (58018)
324 residents
- 58008 229
Barney (58008)
229 residents
What this shows Among its immediate neighbors, ZIP 58018 ranks #2 by population - useful context the national average alone can't give.
ZIP 58018 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 58008
Barney (58008)
$119,167 median income
- 58077
Walcott (58077)
$108,750 median income
- 58018
Colfax (58018)
$105,000 median income
What this shows By household income, ZIP 58018 ranks #3 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 58018, 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 Richland County
Related Areas
Frequently Asked Questions
What county is ZIP code 58018 in?
ZIP code 58018 (Colfax) is located in Richland County, North Dakota. Richland County contains multiple ZIP codes, see the full list at /counties/richland-nd.
What is the population of ZIP code 58018?
ZIP code 58018 in Colfax, ND has a population of 324 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 58018?
The median household income in ZIP 58018 is $105,000, which is 38% above the national average of $76,288.
What is the average home value in ZIP 58018?
The median home value in ZIP 58018 is $280,400, which is 1% above the national average of $278,155.
What is the demographic makeup of ZIP 58018?
The largest racial group in ZIP 58018 is White at 65.7%. Hispanic or Latino residents make up 7.5% of the population.
How many businesses are in ZIP code 58018?
ZIP code 58018 has 14 business establishments employing approximately 31 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What is the education level in ZIP code 58018?
In ZIP code 58018, 60.1% of residents aged 25+ have a high school diploma or higher, and 47.3% 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 58018?
In ZIP code 58018, approximately 96.2% of occupied housing units are owner-occupied and 3.8% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 58018?
The poverty rate in ZIP code 58018 is 1.4% 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 58018's numbers, next.
- See how ZIP 58018 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Colfax, 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.