Residential delivery area · Ohio
ZIP Code 45365: Sidney, OH
ZIP code 45365 uses the postal name Sidney, Ohio and lies entirely in Shelby County (Census 2020 ZIP-county file). About 29,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $67,051 (Census Bureau, ACS 2020-2024). By Census place, 8% of its land lies in Sidney; 92% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Sidney · its only residential ZIP
- County
- Shelby County
- Census places
- Sidney
- Neighborhood
- Buckeye Terrace GeoNames
- Micro area
- Sidney, OH
- House districts
- OH-15 (78%), OH-4 (22%) 119th Congress, by share of land
- State
- Ohio
- Time zone
- Eastern
- Land area
- 155.7 sq mi · 186 people per sq mi
- PO Box ZIPs
- 45367 also use the name Sidney
Where is ZIP code 45365?
45365 centers on 40.283°, -84.156° and covers 155.7 square miles of land plus 0.8 of water. It borders 10 ZIP codes: 45360, 45353, 45340, 43343, 45302, 45356, 45333, 45317, 45326, 45845.
The map draws ZIP code areas only. For the streets inside 45365, 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); neighborhoods from the GeoNames gazetteer (CC BY 4.0), placed in this ZIP code by PlainZIP.
How does 45365 compare with the rest of Shelby County?
| Measure | 45365 | In Shelby County | In OH |
|---|---|---|---|
| People (ACS 2020-2024) | 28,965 | 1st of 18 | 108th of 1,233 |
| Median household income | $67k | 10th of 11 | 450th of 755 |
| Median home value | $182k | 10th of 11 | 456th of 810 |
Its median household income is higher than in 42% of U.S. residential ZIP codes, and it is denser than 62% 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 45365?
The 2020 Census counted 29,277 people in 45365; the ACS, which samples households over 2020-2024, estimates 28,965. Between the 2010 and 2020 censuses its population fell 4.2% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 28,965
- 2020 Census count
- 29,277−4.2% since 2010 (30,561)
- Households
- 12,020
- Median age
- 42.6
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 45365?
Of the 28,965 people the ACS estimates in 45365, 22.6% are under 18 and 19.4% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (89.5%).
- Under 1822.6%
- 18 to 6458.0%
- 65 and older19.4%
- White, not Hispanic89.5%
- Other or two or more4.5%
- Black, not Hispanic3.6%
- Hispanic or Latino1.8%
- Asian, not Hispanic0.7%
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 45365 earn?
Median household income is $67,051 (ACS 2020-2024), the 10th highest of the 11 ranked ZIP codes in Shelby County. It is not measurably different from 2015-2019 ($73,268 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $67,051
- Income per person
- $35,518
- Below the poverty line
- 14.4%
- Unemployed (of the labor force)
- 4.4%
- Adults 25+ with a bachelor's degree
- 20.0%
- Adjusted gross income per tax return, 2022
- $60,05814,360 returns; wages 71% 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 45365?
FHFA's house price index for 45365, built from repeat sales and appraisals of the same homes, rose 92% from 2015 to 2025 and rose 48% from 2020 to 2025, and moved +6.2% in 2025.
- Median home value (owners' estimate)
- $181,800
- Median gross rent
- $915
- Homes owned by their occupants
- 66.8%
- Housing units
- 12,817
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 45365?
633 business establishments had a location in this ZIP code in 2023, 6 fewer than in 2018; the most are in retail trade (ZIP Code Business Patterns).
- Retail trade97
- Health care and social assistance82
- Manufacturing64
- Other services (except public administration)64
- Accommodation and food services60
- Construction52
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 45365?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 45360 | Port Jefferson | 278 | $56k | 4.7 mi |
| 45353 | Pemberton | 242 | $102k | 6.0 mi |
| 45340 | Maplewood | 800 | $118k | 8.1 mi |
| 43343 | Quincy | 1,366 | $63k | 8.6 mi |
| 45302 | Anna | 4,338 | $92k | 9.0 mi |
| 45356 | Piqua | 25,237 | $69k | 9.1 mi |
| 45333 | Houston | 1,830 | $64k | 9.6 mi |
| 45317 | Conover | 1,187 | $61k | 10.2 mi |
| 45326 | Fletcher | 1,446 | $94k | 10.4 mi |
| 45845 | Fort Loramie | 3,429 | $95k | 12.4 mi |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.
Which other ZIP codes use the name Sidney?
1 more ZIP code carries the postal name Sidney, 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 |
|---|---|
| 45367 | Shelby 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.