Coal Run, OH · standard
ZIP Code 45721
Washington County, Ohio - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 29
- 219/sq mi High-density area
- 0.0%
- Bachelor's or higher Below-average bachelor's attainment
National ZIP placement
Coal Run has 29 residents, placing it among the least populous of the 33,099 US ZIP codes with a reported population, at 219 people per square mile.
Source: USPS ZIP record + U.S. Census Bureau ZIP population. Rank compares ZIP 45721 against every US ZIP with a reported population; income/home-value percentiles are not available for this ZIP.
ZIP code 45721 is a sparsely populated ZIP (a standard USPS delivery area) in Coal Run, Washington County, Ohio, home to just 29 residents across 0.1 square miles, a density of 219 people per square mile, in the New York time zone.
With fewer than 100 residents on file, this page keeps the Census figures below and skips the multi-chart expansion used on larger ZIPs. Small-N ACS estimates are already unstable enough without padding the page around them.
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 45721, Coal Run, OH · 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
29
Population
0.1
Area (sq mi)
219
People / sq mi
New York
Time Zone
standard
ZIP Type
Who lives in ZIP 45721?
-
Median Age
100.0%
Male
0.0%
Female
0.0%
Foreign-Born
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How much do residents earn?
0.0%
Poverty Rate
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
Housing stock: occupied vs vacant
44housing units
44
Total Housing Units
15
Occupied Units
29
Vacant Units
Occupancy Type
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
Nearby ZIP Codes
Want a side-by-side? Compare 45721 vs 45715 →
Related Areas
Frequently Asked Questions
What county is ZIP code 45721 in?
ZIP code 45721 (Coal Run) is located in Washington County, Ohio. Washington County contains multiple ZIP codes, see the full list at /counties/washington-oh.
What is the population of ZIP code 45721?
ZIP code 45721 in Coal Run, OH has a population of 29 according to the Census Bureau ACS 2023 estimates.
Take this with you
What to do with ZIP 45721's numbers, next.
- See how ZIP 45721 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Coal Run, OH 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.