Residential delivery area · Ohio
ZIP Code 45817: Bluffton, OH
ZIP code 45817 uses the postal name Bluffton, Ohio and lies mostly in Allen County (50% of its land), reaching into Hancock County and Putnam County (Census 2020 ZIP-county file). About 5,900 people live there (Census Bureau, ACS 2020-2024). Median household income is $76,848 (Census Bureau, ACS 2020-2024). By Census place, 6% of its land lies in Bluffton; 94% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Bluffton · its only residential ZIP
- County
- Allen County (50%); Hancock County (47%); Putnam County (3%)
- Census places
- Bluffton
- Metro area
- Lima, OH
- House districts
- OH-5 (50%), OH-4 (50%) 119th Congress, by share of land
- State
- Ohio
- Time zone
- Eastern
- Land area
- 64.0 sq mi · 93 people per sq mi
Where is ZIP code 45817?
45817 centers on 40.879°, -83.884° and covers 64.0 square miles of land plus 0.3 of water. It borders 10 ZIP codes: 45808, 45877, 45868, 45881, 45810, 45841, 45801, 45830, 45850, 45807.
The map draws ZIP code areas only. For the streets inside 45817, 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 45817 compare with the rest of Allen County?
| Measure | 45817 | In Allen County | In OH |
|---|---|---|---|
| People (ACS 2020-2024) | 5,926 | 8th of 19 | 487th of 1,233 |
| Median household income | $77k | 5th of 15 | 291st of 755 |
| Median home value | $210k | 3rd of 14 | 343rd of 810 |
Its median household income is higher than in 58% of U.S. residential ZIP codes, and it is denser than 53% 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 45817?
The 2020 Census counted 6,420 people in 45817; the ACS, which samples households over 2020-2024, estimates 5,926. Between the 2010 and 2020 censuses its population fell 4.7% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 5,926
- 2020 Census count
- 6,420−4.7% since 2010 (6,736)
- Households
- 2,394
- Median age
- 43.1
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 45817?
Of the 5,926 people the ACS estimates in 45817, 21.9% are under 18 and 25.3% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (89.6%).
- Under 1821.9%
- 18 to 6452.9%
- 65 and older25.3%
- White, not Hispanic89.6%
- Other or two or more5.6%
- Black, not Hispanic2.0%
- Hispanic or Latino1.5%
- Asian, not Hispanic1.3%
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 45817 earn?
Median household income is $76,848 (ACS 2020-2024), the 5th highest of the 15 ranked ZIP codes in Allen County. It fell from $94,109 in 2015-2019 (in 2024 dollars), a change larger than the surveys' margins of error.
- Median household income
- $76,848±$9,205
- Income per person
- $38,390
- Below the poverty line
- 2.6%
- Unemployed (of the labor force)
- 5.8%
- Adults 25+ with a bachelor's degree
- 38.0%
- Adjusted gross income per tax return, 2022
- $82,5462,930 returns; wages 63% 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 45817?
FHFA's house price index for 45817, built from repeat sales and appraisals of the same homes, rose 70% from 2015 to 2025 and rose 44% from 2020 to 2025, and moved +3.9% in 2025.
- Median home value (owners' estimate)
- $210,100
- Median gross rent
- $795
- Homes owned by their occupants
- 75.9%
- Housing units
- 2,543
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 45817?
161 business establishments had a location in this ZIP code in 2023, 14 fewer than in 2018; the most are in health care and social assistance (ZIP Code Business Patterns).
- Health care and social assistance22
- Other services (except public administration)22
- Retail trade18
- Accommodation and food services18
- Professional, scientific, and technical services15
- Finance and insurance14
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 45817?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 45808 | Beaverdam | 350 | $82k | 5.7 mi |
| 45877 | Pandora | 2,562 | $69k | 6.1 mi |
| 45868 | Mount Cory | 737 | $96k | 6.6 mi |
| 45881 | Rawson | 1,683 | $74k | 7.2 mi |
| 45810 | Ada | 7,449 | $64k | 7.5 mi |
| 45841 | Jenera | 924 | $97k | 7.9 mi |
| 45801 | Lima | 21,739 | $52k | 10.7 mi |
| 45830 | Columbus Grove | 5,199 | $81k | 11.3 mi |
| 45850 | Harrod | 3,559 | $85k | 12.2 mi |
| 45807 | Lima | 11,774 | $71k | 15.9 mi |
| 45854 | Lafayette | 293 | $53k | 8.9 mi (near) |
| 45816 | Benton Ridge | 351 | $77k | 9.9 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.