ZIP codes
10
Mercer County, OH Demographics & ZIP Codes
Mercer County, Ohio demographics and median household income by ZIP code — 10 ZIP codes — population 42,487 — avg. income $83,112 — avg. home value $209,870. Compare income, housing, and ZIP-level data on US5.
Population
42,487
Median household income (avg.)
$83,112
111% of U.S. median
Average home value
$209,870
60% of U.S. median
Average rent
$587
50% of U.S. median
Mercer County demographics
Mercer County, Ohio covers 10 ZIP codes, with a combined ZIP-area population of about 42,487.
Median household income in Mercer County
The average median household income across ZIP codes in Mercer County, Ohio is about $83,112 — about 17% above the OH ZIP average ($71,257), and about 11% above the U.S. median ($75,149).
Among ZIPs with income data, 45883 (St. Henry) is near the top at about $113,427, while 45862 (Mendon) is near the bottom at about $38,281.
Housing in Mercer County
For housing in Mercer County, Ohio, the average median home value is about $209,870 and the average median rent is about $587.
The most populous ZIP is 45822 (Celina) with about 20,170 residents. Use the table below to compare ZIP codes across the county.
ZIP codes in Mercer County
Sort by population, income, or home value. Click a column header to toggle ascending / descending.
| ZIP | City | County | State | Population ↓ | Income | Home value |
|---|---|---|---|---|---|---|
| 45822 | Celina | Mercer County | OH | 20,170 | $72,106 | $184,600 |
| 45828 | Coldwater | Mercer County | OH | 6,343 | $77,857 | $233,700 |
| 45846 | Fort Recovery | Mercer County | OH | 4,763 | $92,273 | $250,300 |
| 45883 | St. Henry | Mercer County | OH | 4,099 | $113,427 | $283,200 |
| 45882 | Rockford | Mercer County | OH | 2,719 | $71,938 | $158,400 |
| 45860 | Maria Stein | Mercer County | OH | 2,437 | $110,652 | $299,700 |
| 45862 | Mendon | Mercer County | OH | 1,182 | $38,281 | $112,000 |
| 45826 | Chickasaw | Mercer County | OH | 419 | $99,583 | $275,000 |
| 45310 | Burkettsville | Mercer County | OH | 255 | $81,250 | $189,300 |
| 45866 | Montezuma | Mercer County | OH | 100 | $73,750 | $112,500 |
Frequently asked questions
What are the demographics of Mercer County?
Mercer County, Ohio has a combined ZIP-area population of about 42,487 across 10 ZIP codes. Browse the ZIP table for population, income, and housing by code.
What is the median household income in Mercer County?
The average median household income across ZIP codes in Mercer County, Ohio is about $83,112, about 17% above the state ZIP average ($71,257), and about 11% above the U.S. median ($75,149). Average median home value is about $209,870. Among ZIPs with data, 45883 (St. Henry) is near the top ($113,427) and 45862 (Mendon) is near the bottom ($38,281).
How many ZIP codes are in Mercer County?
Mercer County, Ohio includes 10 ZIP codes on US5. Each row links to demographics, median income, and housing for that code.
Where can I find ZIP code demographics for Mercer County?
This page lists ZIP codes in Mercer County, Ohio with population, median household income, and home value. Select a ZIP for a full demographics profile.