Residential delivery area · Ohio
ZIP Code 43045: Milford Center, OH
ZIP code 43045 uses the postal name Milford Center, Ohio and lies mostly in Union County (93% of its land) with the rest in Champaign County (Census 2020 ZIP-county file). About 1,700 people live there (Census Bureau, ACS 2020-2024). Median household income is $99,181 (Census Bureau, ACS 2020-2024). By Census place, 1% of its land lies in Milford Center; 99% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Milford Center · its only residential ZIP
- County
- Union County (93%); Champaign County (7%)
- Census places
- Milford Center
- Metro area
- Columbus, OH
- House district
- OH-4 119th Congress
- State
- Ohio
- Time zone
- Eastern
- Land area
- 37.6 sq mi · 46 people per sq mi
Where is ZIP code 43045?
43045 centers on 40.168°, -83.459° and covers 37.6 square miles of land plus 0.4 of water. It borders 5 ZIP codes: 43029, 43084, 43060, 43040, 43064.
The map draws ZIP code areas only. For the streets inside 43045, 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 43045 compare with the rest of Union County?
| Measure | 43045 | In Union County | In OH |
|---|---|---|---|
| People (ACS 2020-2024) | 1,739 | 12th of 17 | 815th of 1,233 |
| Median household income | $99k | 6th of 10 | 88th of 755 |
| Median home value | $275k | 7th of 11 | 156th of 810 |
Its median household income is higher than in 80% of U.S. residential ZIP codes, and it is denser than 41% 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 43045?
The 2020 Census counted 1,928 people in 43045; the ACS, which samples households over 2020-2024, estimates 1,739. Between the 2010 and 2020 censuses its population fell 1.3% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 1,739±309 (90% margin)
- 2020 Census count
- 1,928−1.3% since 2010 (1,953)
- Households
- 591
- 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 43045?
Of the 1,739 people the ACS estimates in 43045, 26.8% are under 18 and 18.5% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (79.8%), then Other or two or more (17.0%).
- Under 1826.8%
- 18 to 6454.7%
- 65 and older18.5%
- White, not Hispanic79.8%
- Other or two or more17.0%
- Black, not Hispanic2.9%
- Hispanic or Latino0.1%
- Asian, not Hispanic0.1%
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 43045 earn?
Median household income is $99,181 (ACS 2020-2024), the 6th highest of the 10 ranked ZIP codes in Union County. It is not measurably different from 2015-2019 ($101,702 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $99,181±$19,392
- Income per person
- $35,822
- Below the poverty line
- 4.1%
- Unemployed (of the labor force)
- 1.7%
- Adults 25+ with a bachelor's degree
- 27.0%
- Adjusted gross income per tax return, 2022
- $81,043950 returns; wages 70% 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 43045?
FHFA's house price index for 43045, built from repeat sales and appraisals of the same homes, rose 100% from 2015 to 2025 and rose 41% from 2020 to 2025, and moved −6.2% in 2025.
- Median home value (owners' estimate)
- $275,000
- Median gross rent
- $1,438
- Homes owned by their occupants
- 91.4%
- Housing units
- 623
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 43045?
23 business establishments had a location in this ZIP code in 2023, 1 fewer than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction4
- Transportation and warehousing4
- Other services (except public administration)4
- Professional, scientific, and technical services3
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 43045?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 43029 | Irwin | 544 | $108k | 5.0 mi |
| 43084 | Woodstock | 991 | $78k | 5.4 mi |
| 43060 | North Lewisburg | 2,359 | $62k | 7.0 mi |
| 43040 | Marysville | 38,990 | $99k | 8.3 mi |
| 43064 | Plain City | 18,143 | $140k | 10.2 mi |
| 43077 | Unionville Center | 269 | $105k | 6.6 mi (near) |
| 43044 | Mechanicsburg | 4,964 | $76k | 9.2 mi (near) |
| 43009 | Cable | 2,229 | $103k | 9.5 mi (near) |
| 43047 | Mingo | 18 | – | 9.8 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.