Residential delivery area · Ohio
ZIP Code 45409: Dayton, OH
ZIP code 45409 uses the postal name Dayton, Ohio and lies entirely in Montgomery County (Census 2020 ZIP-county file). About 15,000 people live there (Census Bureau, ACS 2020-2024), the 14th most populous of Dayton's 30 residential ZIP codes. Median household income is $87,283 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Kettering (47%), Dayton (30%), Moraine (13%) and Oakwood (10%).
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Dayton · 30 residential ZIPs
- County
- Montgomery County
- Census places
- Kettering (47%); Dayton (30%); Moraine (13%); Oakwood (10%)
- Neighborhoods
- Berkley Heights, Southern Hills GeoNames
- Metro area
- Dayton-Kettering-Beavercreek, OH
- House district
- OH-10 119th Congress
- State
- Ohio
- Time zone
- Eastern
- Land area
- 3.7 sq mi · 4,159 people per sq mi
- PO Box ZIPs
- 13 more ZIP codes use the name Dayton for PO boxes or single organizations
Where is ZIP code 45409?
45409 centers on 39.721°, -84.188° and covers 3.7 square miles of land plus 0.0 of water. It borders 8 ZIP codes: 45419, 45469, 45410, 45439, 45402, 45429, 45420, 45417.
The map draws ZIP code areas only. For the streets inside 45409, 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 45409 compare with the rest of Dayton?
| Measure | 45409 | In Dayton | In Montgomery County | In OH |
|---|---|---|---|---|
| People (ACS 2020-2024) | 15,293 | 14th of 30 | 18th of 39 | 290th of 1,233 |
| Median household income | $87k | 6th of 25 | 8th of 34 | 180th of 755 |
| Median home value | $249k | 6th of 25 | 6th of 34 | 201st of 810 |
Its median household income is higher than in 70% of U.S. residential ZIP codes, and it is denser than 92% 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 45409?
The 2020 Census counted 12,392 people in 45409; the ACS, which samples households over 2020-2024, estimates 15,293. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 15,293
- 2020 Census count
- 12,392
- Households
- 3,063
- Median age
- 21.0
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 45409?
Of the 15,293 people the ACS estimates in 45409, 7.7% are under 18 and 7.9% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (82.9%).
- Under 187.7%
- 18 to 6484.3%
- 65 and older7.9%
- White, not Hispanic82.9%
- Hispanic or Latino5.8%
- Black, not Hispanic5.8%
- Other or two or more3.2%
- Asian, not Hispanic2.2%
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 45409 earn?
Median household income is $87,283 (ACS 2020-2024), the 8th highest of the 34 ranked ZIP codes in Montgomery County.
- Median household income
- $87,283±$12,028
- Income per person
- $28,871
- Below the poverty line
- 16.0%
- Unemployed (of the labor force)
- 11.1%
- Adults 25+ with a bachelor's degree
- 62.7%
- Adjusted gross income per tax return, 2022
- $102,3543,130 returns; wages 61% 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 45409?
FHFA's house price index for 45409, built from repeat sales and appraisals of the same homes, rose 89% from 2015 to 2025 and rose 47% from 2020 to 2025, and moved +5.5% in 2025.
- Median home value (owners' estimate)
- $249,000
- Median gross rent
- $1,038
- Homes owned by their occupants
- 72.2%
- Housing units
- 3,372
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 45409?
256 business establishments had a location in this ZIP code in 2023, 25 fewer than in 2018; the most are in health care and social assistance (ZIP Code Business Patterns).
- Health care and social assistance67
- Accommodation and food services46
- Professional, scientific, and technical services27
- Other services (except public administration)25
- Retail trade17
- Finance and insurance13
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 45409?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 45419 | Dayton | 17,008 | $92k | 1.2 mi |
| 45469 | Dayton | 168 | – | 1.4 mi |
| 45410 | Dayton | 14,694 | $47k | 2.4 mi |
| 45439 | Dayton | 11,914 | $52k | 2.7 mi |
| 45402 | Dayton | 9,407 | $48k | 2.9 mi |
| 45429 | Dayton | 26,347 | $80k | 2.9 mi |
| 45420 | Dayton | 24,411 | $61k | 3.1 mi |
| 45417 | Dayton | 28,186 | $37k | 5.1 mi |
| 45423 | Dayton | 0 | – | 2.7 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.