Residential delivery area · Ohio
ZIP Code 43143: Mount Sterling, OH
ZIP code 43143 uses the postal name Mount Sterling, Ohio and lies mostly in Madison County (54% of its land), reaching into Pickaway County and Fayette County (Census 2020 ZIP-county file). About 5,800 people live there (Census Bureau, ACS 2020-2024). Median household income is $100,333 (Census Bureau, ACS 2020-2024). By Census place, 1% of its land lies in Mount Sterling; 99% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Mount Sterling · its only residential ZIP
- County
- Madison County (54%); Pickaway County (29%); Fayette County (17%)
- Census places
- Mount Sterling
- Metro area
- Columbus, OH
- House districts
- OH-15 (71%), OH-2 (29%) 119th Congress, by share of land
- State
- Ohio
- Time zone
- Eastern
- Land area
- 133.6 sq mi · 43 people per sq mi
Where is ZIP code 43143?
43143 centers on 39.712°, -83.289° and covers 133.6 square miles of land plus 1.4 of water. It borders 6 ZIP codes: 43106, 43146, 43164, 43140, 43153, 43160.
The map draws ZIP code areas only. For the streets inside 43143, 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 43143 compare with the rest of Madison County?
| Measure | 43143 | In Madison County | In OH |
|---|---|---|---|
| People (ACS 2020-2024) | 5,803 | 6th of 11 | 489th of 1,233 |
| Median household income | $100k | 2nd of 8 | 84th of 755 |
| Median home value | $243k | 5th of 9 | 218th of 810 |
Its median household income is higher than in 81% of U.S. residential ZIP codes, and it is denser than 40% 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 43143?
The 2020 Census counted 5,935 people in 43143; the ACS, which samples households over 2020-2024, estimates 5,803. Between the 2010 and 2020 censuses its population grew 4.2% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 5,803
- 2020 Census count
- 5,935+4.2% since 2010 (5,694)
- Households
- 2,150
- Median age
- 39.5
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 43143?
Of the 5,803 people the ACS estimates in 43143, 25.0% are under 18 and 15.9% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (96.0%).
- Under 1825.0%
- 18 to 6459.1%
- 65 and older15.9%
- White, not Hispanic96.0%
- Other or two or more2.3%
- Hispanic or Latino1.5%
- Black, not Hispanic0.3%
- Asian, not Hispanic0.0%
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 43143 earn?
Median household income is $100,333 (ACS 2020-2024), the 2nd highest of the 8 ranked ZIP codes in Madison County. It is not measurably different from 2015-2019 ($86,857 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $100,333±$10,494
- Income per person
- $45,354
- Below the poverty line
- 7.8%
- Unemployed (of the labor force)
- 1.7%
- Adults 25+ with a bachelor's degree
- 17.7%
- Adjusted gross income per tax return, 2022
- $69,6952,790 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 43143?
FHFA's house price index for 43143, built from repeat sales and appraisals of the same homes, rose 117% from 2015 to 2025 and rose 55% from 2020 to 2025, and moved +2.8% in 2025.
- Median home value (owners' estimate)
- $242,800
- Median gross rent
- $853
- Homes owned by their occupants
- 83.7%
- Housing units
- 2,302
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 43143?
72 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).
- Construction13
- Retail trade11
- Accommodation and food services7
- Health care and social assistance6
- Wholesale trade5
- Real estate and rental and leasing5
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 43143?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 43106 | Bloomingburg | 1,587 | $83k | 8.3 mi |
| 43146 | Orient | 13,387 | $81k | 9.1 mi |
| 43164 | Williamsport | 2,176 | $68k | 12.6 mi |
| 43140 | London | 24,237 | $84k | 13.8 mi |
| 43153 | South Solon | 1,112 | $90k | 14.4 mi |
| 43160 | Washington Court House | 22,105 | $62k | 15.0 mi |
| 43117 | Derby | 7 | – | 5.9 mi (near) |
| 43126 | Harrisburg | 306 | $63k | 9.3 mi (near) |
| 43151 | Sedalia | 233 | $62k | 10.1 mi (near) |
| 43145 | New Holland | 2,070 | $74k | 10.5 mi (near) |
| 43116 | Commercial Point | 2,684 | $113k | 12.7 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.