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Eaton city, OH

ZIP Code 45320 — Eaton city, OH Demographics & Data

Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.

Middle ClassLow Snow Area

Map, Quick Facts & Location

Quick Facts

Local time
Population
15,402
Median Income
$68,740
-9% vs US avg
Home Value
$167,900
-52% vs US avg
Median Rent
$603
-48% vs US avg
Median Age
44.0 yrs
+13% vs US avg
Area Code
Congress
Top Ancestry
GermanEnglishIrish
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Location
Coordinates
39.7507, -84.6813
Elevation
1,002 ft
Land Area
133.8 sq mi
Water Area
0.4 sq mi (0% water)

At a glance

Population
15,402
Density
N/A
Median income
$68,740
-9% vs US avg
Home value
$167,900
-52% vs US avg
Median rent
$603
-48% vs US avg
Timezone

Overview of ZIP Code 45320

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What to know about ZIP 45320

ZIP code 45320 covers Eaton, OH in Preble County with a population of about 15,402.

At a glance, the area shows median age of 44.0 versus a U.S. median of about 38.9.

It sits in telephone area codes 326, 937; U.S. House district OH-8; the DAYTON media market.

Income and economy in Eaton, OH

Median household income in ZIP 45320 is about $68,740 — about 9% below the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 9.5%; unemployment rate near 3.1%; 20.9% of adults with a bachelor’s degree or higher (about 12.8 points below the national share (33.7%)).

Labor and commute patterns include leading industry context around Manufacturing, Healthcare, and Retail trade; about 4.5% of workers reporting work-from-home (about 10.8 points below the U.S. share (15.2%)); a mean commute of about 180.0 minutes (U.S. average near 26.8).

Housing and affordability in ZIP 45320

Median home value is about $167,900 — about 52% below the U.S. median home value ($348,079).

Housing tenure and rents show median gross rent around $603 (about 48% below the U.S. median rent ($1,163)), and owner-occupancy near 75.8% (about 10.4 points above the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 45320 in Eaton, OH, a household would need roughly $46,000 in annual income under a 20% down, 30-year loan at 6.8% (illustrative), keeping housing costs near 28% of income. Estimated monthly PITI is about $1,079. That sits below the local median household income ($68,740), suggesting the typical household income is closer to a workable buy-in level under these assumptions. Rates, taxes, insurance, and HOA fees vary — treat this as a planning estimate, not a lender quote.

Climate risk and migration signals

FEMA’s National Risk Index rates natural-hazard risk for Eaton city, OH as Relatively Low (composite score 43.3), which is near the middle of the national distribution. The strongest component scores on US5 are flood (51.4) and hurricane (28.3). These scores are county-linked NRI values published for planning context — all ZIP codes in the same county share the same composite score on US5. Useful when comparing insurance and disaster exposure across areas, not a substitute for a parcel-level flood or fire determination.

Climate normals for Eaton city, OH show little to no average snow and around 43.1 inches of annual precipitation.

IRS migration statistics show a net inflow of about 653 for ZIP 45320 (Eaton city, OH) on US5’s published series — a signal of people/tax filers moving in relative to those leaving. Inflows often track job growth, housing demand, or lifestyle migration; treat the figure as a directional indicator rather than a precise headcount.

Nearby (from this ZIP)

Airport DAY (26.7 miles (42.9 km)) · Bethany Theological Seminary (13.3 miles (21.3 km)) · Dayton Aviation Heritage National Historical Park (30.8 miles (49.5 km)) · VA: Richmond Community Based Outpatient Clinic (12.6 miles (20.3 km))

Full lists and map pins are in the Infrastructure section below.