PlainZIP

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
$80,833
Median income
$110,900
Median home value
20.0%
Bachelor's or higher

The verdict

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 Ohio average), while per-capita income is $40,749. Poverty here runs at 4.3%, with unemployment measured at 10.0%. On housing, the median home value is $110,900 (44% below the state average) with median rent at $1,313 per month, and 91.1% of occupied units are owner-occupied.

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 -. To put 45866 in local context, 6 ZIP codes within roughly 10 miles appear further down this page alongside 6 additional ZIPs in Mercer County, for a geography-aware comparison.

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

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 45866?

52.5

Median Age

53.8%

Male

46.2%

Female

0.0%

Foreign-Born

White 100.0%
African American 0.0%
Asian 0.0%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 0.0%
Hispanic or Latino 0.0%

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

$40,749

Per Capita Income

4.3%

Poverty Rate

10.0%

Unemployment Rate

How ZIP 45866 ranks nationally

Montezuma, OH household income vs. every US ZIP code

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

$80,833 Top 37% higher than 63% 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 60.0%
Bachelor's Degree or Higher 20.0%

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

What does housing look like?

73

Total Housing Units

56

Occupied Units

17

Vacant Units

2.09

Avg Household Size

Occupancy Type

Owner 91.1%
Renter 8.9%

$110,900

Median Home Value

-44% vs state

$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.

residents

What this shows Among its immediate neighbors, ZIP 45866 ranks #7 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 45866 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 45866 ranks #4 of 7 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
45822 Celina, OH 18,943 4.9 mi
45826 Chickasaw, OH 306 4.9 mi
45828 Coldwater, OH 6,125 6.5 mi
45860 Maria Stein, OH 2,274 7.0 mi
45883 Saint Henry, OH 3,883 7.1 mi
45310 Burkettsville, OH 244 10.7 mi

More ZIP Codes in Mercer County

45822 standard
Celina, OH
Pop: 18,943
45828 standard
Coldwater, OH
Pop: 6,125
45846 standard
Fort Recovery, OH
Pop: 4,437
45883 standard
Saint Henry, OH
Pop: 3,883
45882 standard
Rockford, OH
Pop: 3,004
45860 standard
Maria Stein, OH
Pop: 2,274

Related Areas

Mercer County Montezuma, OH Ohio

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.

Read our methodology to see how this data is sourced, computed, and verified.