Residential delivery area · Ohio
ZIP Code 45381: West Alexandria, OH
ZIP code 45381 uses the postal name West Alexandria, Ohio and lies mostly in Preble County (91% of its land) with the rest in Montgomery County (Census 2020 ZIP-county file). About 5,600 people live there (Census Bureau, ACS 2020-2024). Median household income is $62,263 (Census Bureau, ACS 2020-2024). By Census place, 2% of its land lies in West Alexandria; 98% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- West Alexandria · its only residential ZIP
- County
- Preble County (91%); Montgomery County (9%)
- Census places
- West Alexandria
- House districts
- OH-8 (91%), OH-10 (9%) 119th Congress, by share of land
- State
- Ohio
- Time zone
- Eastern
- Land area
- 53.9 sq mi · 104 people per sq mi
Where is ZIP code 45381?
45381 centers on 39.731°, -84.524° and covers 53.9 square miles of land plus 0.2 of water. It borders 8 ZIP codes: 45325, 45330, 45345, 45338, 45320, 45327, 45309, 45311.
The map draws ZIP code areas only. For the streets inside 45381, 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 45381 compare with the rest of Preble County?
| Measure | 45381 | In Preble County | In OH |
|---|---|---|---|
| People (ACS 2020-2024) | 5,626 | 6th of 15 | 496th of 1,233 |
| Median household income | $62k | 10th of 10 | 521st of 755 |
| Median home value | $205k | 3rd of 10 | 375th of 810 |
Its median household income is higher than in 34% of U.S. residential ZIP codes, and it is denser than 54% 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 45381?
The 2020 Census counted 5,424 people in 45381; the ACS, which samples households over 2020-2024, estimates 5,626. Between the 2010 and 2020 censuses its population fell 1.5% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 5,626
- 2020 Census count
- 5,424−1.5% since 2010 (5,509)
- Households
- 2,301
- Median age
- 42.4
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 45381?
Of the 5,626 people the ACS estimates in 45381, 19.9% are under 18 and 25.1% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (95.1%).
- Under 1819.9%
- 18 to 6455.0%
- 65 and older25.1%
- White, not Hispanic95.1%
- Black, not Hispanic1.8%
- Other or two or more1.8%
- Hispanic or Latino1.1%
- Asian, not Hispanic0.2%
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 45381 earn?
Median household income is $62,263 (ACS 2020-2024), the 10th highest of the 10 ranked ZIP codes in Preble County. It fell from $75,871 in 2015-2019 (in 2024 dollars), a change larger than the surveys' margins of error.
- Median household income
- $62,263
- Income per person
- $38,793
- Below the poverty line
- 11.2%
- Unemployed (of the labor force)
- 4.2%
- Adults 25+ with a bachelor's degree
- 18.3%
- Adjusted gross income per tax return, 2022
- $62,6842,510 returns; wages 72% 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 45381?
FHFA's house price index for 45381, built from repeat sales and appraisals of the same homes, rose 107% from 2015 to 2025 and rose 61% from 2020 to 2025, and moved +2.4% in 2025.
- Median home value (owners' estimate)
- $204,900
- Median gross rent
- $756
- Homes owned by their occupants
- 79.9%
- Housing units
- 2,441
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 45381?
80 business establishments had a location in this ZIP code in 2023, 4 more than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction17
- Other services (except public administration)12
- Manufacturing9
- Accommodation and food services9
- Retail trade7
- Wholesale trade5
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 45381?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 45325 | Farmersville | 2,470 | $81k | 5.7 mi |
| 45330 | Gratis | 710 | $77k | 5.7 mi |
| 45345 | New Lebanon | 6,110 | $80k | 6.7 mi |
| 45338 | Lewisburg | 4,761 | $75k | 8.4 mi |
| 45320 | Eaton | 15,454 | $65k | 8.5 mi |
| 45327 | Germantown | 9,315 | $95k | 9.5 mi |
| 45309 | Brookville | 11,876 | $75k | 9.7 mi |
| 45311 | Camden | 5,701 | $69k | 10.0 mi |
| 45070 | West Elkton | 142 | $50k | 9.9 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.