Montezuma, OH · standard
ZIP Code 45866
Mercer County, Ohio - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 186
- 379/sq mi High-density area
- $80,833
- Median income Near-median income area
- $110,900
- Median home value Below-median home value
- 20.0%
- Bachelor's or higher Near-average bachelor's attainment
National ZIP placement
Montezuma pairs an above-median household income with among the most affordable home values nationally, in a low-density, homeowner-dominated area.
- Top 37%
- household income, US ZIPs
- 13th pct
- home value, US ZIPs
- 379
- people per sq mi
- 91%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 45866 against every reporting US ZIP.
ZIP code 45866 is a sparsely populated ZIP (a standard USPS delivery area) in Montezuma, Mercer County, Ohio, home to just 186 residents across 0.5 square miles, a density of 379 people per square mile, in the New York time zone.
ZIP 45866 lands in the middle-income range, with a median household income of $80,833 (11% above the average Ohio ZIP), while per-capita income is $40,749. Unemployment is 10.0%, an important qualifier alongside the household-income figure. Home values sit below the statewide ZIP benchmark: the median is $110,900 (44% below the average Ohio ZIP), and median rent is $1,313; owner occupancy is 91.1%.
Educational attainment sits below the national norm: 20.0% of adults hold a bachelor's degree or higher, the median age is 52.5, and the average commute is -. The page also surfaces 6 ZIP codes within roughly 10 miles and 6 more in Mercer County, so 45866 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 45866, Montezuma, 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
186
Population
0.5
Area (sq mi)
379
People / sq mi
New York
Time Zone
standard
ZIP Type
Who lives in ZIP 45866?
52.5
Median Age
53.8%
Male
46.2%
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?
$80,833
Median Household Income
+11% vs state ZIP avg
$40,749
Per Capita Income
4.3%
Poverty Rate
10.0%
Unemployment Rate
How ZIP 45866 ranks among Ohio ZIPs
Montezuma, OH household income vs. every Ohio ZIP code
Median household income among 1,127 reporting Ohio ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$80,833 Top 31% higher than 69% of 1,127 Ohio ZIPs
Each bar is a $20K-wide band; taller bars hold more Ohio 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
73housing units
73
Total Housing Units
56
Occupied Units
17
Vacant Units
2.09
Avg Household Size
Occupancy Type
$110,900
Median Home Value
-44% vs state ZIP avg
$1,313
Median Rent
1947
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
Nearby ZIP Codes
Want a side-by-side? Compare 45866 vs 45822 →
ZIP 45866 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 45822
Celina (45822)
18,943 residents
- 45828 6,125
Coldwater (45828)
6,125 residents
- 45883 3,883
Saint Henry (45883)
3,883 residents
- 45860 2,274
Maria Stein (45860)
2,274 residents
- 45826 306
Chickasaw (45826)
306 residents
- 45310 244
Burkettsville (45310)
244 residents
- 45866 186
Montezuma (45866)
186 residents
What this shows Among its immediate neighbors, ZIP 45866 ranks #7 by population - useful context the national average alone can't give.
ZIP 45866 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 45883
Saint Henry (45883)
$113,967 median income
- 45860
Maria Stein (45860)
$111,269 median income
- 45826
Chickasaw (45826)
$101,250 median income
- 45866
Montezuma (45866)
$80,833 median income
- 45310
Burkettsville (45310)
$77,917 median income
- 45828
Coldwater (45828)
$72,703 median income
- 45822
Celina (45822)
$70,200 median income
What this shows By household income, ZIP 45866 ranks #4 of 7 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 45866, both outside OH 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 Mercer County
Related Areas
Frequently Asked Questions
What county is ZIP code 45866 in?
ZIP code 45866 (Montezuma) is located in Mercer County, Ohio. Mercer County contains multiple ZIP codes, see the full list at /counties/mercer-oh.
What is the population of ZIP code 45866?
ZIP code 45866 in Montezuma, OH has a population of 186 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 45866?
The median household income in ZIP 45866 is $80,833, which is 6% above the national average of $76,288.
What is the average home value in ZIP 45866?
The median home value in ZIP 45866 is $110,900, which is 60% below the national average of $278,155.
What is the demographic makeup of ZIP 45866?
The largest racial group in ZIP 45866 is White at 100.0%.
What is the education level in ZIP code 45866?
In ZIP code 45866, 60.0% of residents aged 25+ have a high school diploma or higher, and 20.0% 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 45866?
In ZIP code 45866, approximately 91.1% of occupied housing units are owner-occupied and 8.9% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 45866?
The poverty rate in ZIP code 45866 is 4.3% 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 45866's numbers, next.
- See how ZIP 45866 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Montezuma, 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.