Residential delivery area · Ohio
ZIP Code 45840: Findlay, OH
ZIP code 45840 uses the postal name Findlay, Ohio and lies entirely in Hancock County (Census 2020 ZIP-county file). About 55,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $68,083 (Census Bureau, ACS 2020-2024). By Census place, 12% of its land lies in Findlay; 88% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Findlay · its only residential ZIP
- County
- Hancock County
- Census places
- Findlay
- Micro area
- Findlay, OH
- House district
- OH-5 119th Congress
- State
- Ohio
- Time zone
- Eastern
- Land area
- 166.5 sq mi · 328 people per sq mi
- PO Box ZIPs
- 45839 also use the name Findlay
Where is ZIP code 45840?
45840 centers on 41.026°, -83.649° and covers 166.5 square miles of land plus 1.7 of water. It borders 11 ZIP codes: 45816, 44804, 45890, 45881, 45889, 45814, 45858, 45841, 45868, 44802 and more.
The map draws ZIP code areas only. For the streets inside 45840, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 45840 compare with the rest of Hancock County?
| Measure | 45840 | In Hancock County | In OH |
|---|---|---|---|
| People (ACS 2020-2024) | 54,559 | 1st of 23 | 22nd of 1,233 |
| Median household income | $68k | 8th of 13 | 436th of 755 |
| Median home value | $213k | 2nd of 15 | 335th of 810 |
Its median household income is higher than in 44% of U.S. residential ZIP codes, and it is denser than 68% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 45840?
The 2020 Census counted 54,901 people in 45840; the ACS, which samples households over 2020-2024, estimates 54,559. Between the 2010 and 2020 censuses its population fell 0.1% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 54,559
- 2020 Census count
- 54,901−0.1% since 2010 (54,979)
- Households
- 23,773
- Median age
- 38.9
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 45840?
Of the 54,559 people the ACS estimates in 45840, 20.6% are under 18 and 18.7% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (84.8%).
- Under 1820.6%
- 18 to 6460.7%
- 65 and older18.7%
- White, not Hispanic84.8%
- Hispanic or Latino6.7%
- Other or two or more3.8%
- Asian, not Hispanic2.5%
- Black, not Hispanic2.3%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 45840 earn?
Median household income is $68,083 (ACS 2020-2024), the 8th highest of the 13 ranked ZIP codes in Hancock County. It is not measurably different from 2015-2019 ($69,288 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $68,083
- Income per person
- $40,027
- Below the poverty line
- 10.7%
- Unemployed (of the labor force)
- 3.2%
- Adults 25+ with a bachelor's degree
- 33.3%
- Adjusted gross income per tax return, 2022
- $82,66427,160 returns; wages 69% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 45840?
FHFA's house price index for 45840, built from repeat sales and appraisals of the same homes, rose 72% from 2015 to 2025 and rose 41% from 2020 to 2025, and moved +3.8% in 2025.
- Median home value (owners' estimate)
- $213,000
- Median gross rent
- $986
- Homes owned by their occupants
- 66.0%
- Housing units
- 25,499
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 45840?
1,404 business establishments had a location in this ZIP code in 2023, 1 more than in 2018; the most are in retail trade (ZIP Code Business Patterns).
- Retail trade212
- Accommodation and food services172
- Health care and social assistance167
- Other services (except public administration)165
- Finance and insurance101
- Professional, scientific, and technical services100
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 45840?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 45816 | Benton Ridge | 351 | $77k | 7.7 mi |
| 44804 | Arcadia | 1,763 | $96k | 8.1 mi |
| 45890 | Vanlue | 842 | $99k | 8.6 mi |
| 45881 | Rawson | 1,683 | $74k | 8.8 mi |
| 45889 | Van Buren | 1,687 | $94k | 8.8 mi |
| 45814 | Arlington | 2,556 | $91k | 9.1 mi |
| 45858 | McComb | 2,795 | $75k | 9.8 mi |
| 45841 | Jenera | 924 | $97k | 10.9 mi |
| 45868 | Mount Cory | 737 | $96k | 11.2 mi |
| 44802 | Alvada | 746 | $80k | 12.1 mi |
| 45875 | Ottawa | 11,547 | $93k | 21.4 mi |
| 45867 | Mount Blanchard | 978 | $101k | 10.7 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.
Which other ZIP codes use the name Findlay?
1 more ZIP code carries the postal name Findlay, OH without a residential delivery area: PO boxes at the post office, or a single organization with its own ZIP code. The Census Bureau publishes no figures for it.
| ZIP | County |
|---|---|
| 45839 | Hancock County |
Source: GeoNames postal codes (CC BY 4.0), downloaded 2026-10-09; a ZIP code with no Census ZCTA has no residential delivery area.