Residential delivery area · Ohio
ZIP Code 43440: Lakeside Marblehead, OH
ZIP code 43440 uses the postal name Lakeside Marblehead, Ohio and lies entirely in Ottawa County (Census 2020 ZIP-county file). About 4,200 people live there (Census Bureau, ACS 2020-2024). Median household income is $74,818 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Marblehead (20%) and Lakeside (4%); 76% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Lakeside Marblehead · its only residential ZIP
- County
- Ottawa County
- Census places
- Marblehead (20%); Lakeside (4%) census-designated place
- Metro area
- Sandusky, OH
- House district
- OH-9 119th Congress
- State
- Ohio
- Time zone
- Eastern
- Land area
- 15.9 sq mi · 266 people per sq mi
Where is ZIP code 43440?
43440 centers on 41.515°, -82.771° and covers 15.9 square miles of land plus 12.5 of water. It borders 1 ZIP code: 43452.
The map draws ZIP code areas only. For the streets inside 43440, 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 43440 compare with the rest of Ottawa County?
| Measure | 43440 | In Ottawa County | In OH |
|---|---|---|---|
| People (ACS 2020-2024) | 4,222 | 4th of 19 | 571st of 1,233 |
| Median household income | $75k | 6th of 8 | 325th of 755 |
| Median home value | $297k | 1st of 9 | 121st of 810 |
Its median household income is higher than in 55% of U.S. residential ZIP codes, and it is denser than 66% 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 43440?
The 2020 Census counted 4,665 people in 43440; the ACS, which samples households over 2020-2024, estimates 4,222. Between the 2010 and 2020 censuses its population fell 4.3% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 4,222
- 2020 Census count
- 4,665−4.3% since 2010 (4,875)
- Households
- 2,340
- Median age
- 61.4
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 43440?
Of the 4,222 people the ACS estimates in 43440, 8.5% are under 18 and 41.0% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (95.3%).
- Under 188.5%
- 18 to 6450.5%
- 65 and older41.0%
- White, not Hispanic95.3%
- Hispanic or Latino2.4%
- Other or two or more1.5%
- Asian, not Hispanic0.7%
- Black, 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 43440 earn?
Median household income is $74,818 (ACS 2020-2024), the 6th highest of the 8 ranked ZIP codes in Ottawa County. It is not measurably different from 2015-2019 ($68,411 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $74,818
- Income per person
- $60,996
- Below the poverty line
- 7.1%
- Unemployed (of the labor force)
- 6.6%
- Adults 25+ with a bachelor's degree
- 40.7%
- Adjusted gross income per tax return, 2022
- $91,6652,730 returns; wages 48% 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 43440?
FHFA's house price index for 43440, built from repeat sales and appraisals of the same homes, rose 123% from 2015 to 2025 and rose 67% from 2020 to 2025, and moved +23.7% in 2025.
- Median home value (owners' estimate)
- $297,100
- Median gross rent
- $746
- Homes owned by their occupants
- 90.1%
- Housing units
- 6,631
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 43440?
132 business establishments had a location in this ZIP code in 2023, 3 fewer than in 2018; the most are in accommodation and food services (ZIP Code Business Patterns).
- Accommodation and food services29
- Retail trade25
- Other services (except public administration)19
- Arts, entertainment, and recreation10
- Transportation and warehousing8
- Real estate and rental and leasing8
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 43440?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 43452 | Port Clinton | 14,264 | $68k | 9.4 mi |
| 43433 | Gypsum | 0 | – | 5.7 mi (near) |
| 43438 | Kelleys Island | 128 | $83k | 6.9 mi (near) |
| 44870 | Sandusky | 39,883 | $62k | 7.3 mi (near) |
| 44824 | Castalia | 3,642 | $80k | 9.3 mi (near) |
| 43456 | Put In Bay | 692 | $73k | 9.8 mi (near) |
| 43464 | Vickery | 2,138 | $42k | 10.4 mi (near) |
| 43446 | Middle Bass | 35 | – | 11.1 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.