What city is ZIP code 52568?

ZIP code 52568 is in Martinsburg, IA (Keokuk County).

What county is ZIP code 52568 in?

ZIP code 52568 is mostly in Keokuk County, Iowa.

How many people live in ZIP code 52568?

About 80 people live in the 52568 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.

Checked Oct 26, 2026

ZIP Code 52568

Martinsburg, IA, Keokuk County

Population

Land area

0.3sq mi

People per sq mi

305

City

Martinsburg

ZIP 52568 and nearby ZIP codes

Full map

ZIP 52568 at a glance

ZIP 52568 (Martinsburg) is about 5.3 times as dense as Iowa as a whole.

Economy and federal money

Businesses, pandemic loans and political donations

Details

PPP loans

$54.2K

3 loans

PPP loans in this ZIP

Environment and hazard risk

ZIP 52568, from FEMA, NOAA and EPA

Full report

Natural hazard risk

Very Low

Top: drought

Storm events since 1996

421

Countywide, mostly thunderstorm wind

Flood insurance policies

0.0% of homes, county

July high / Jan low

85° / 12°F

37.4 inches of rain a year

Hazards, floods and storm history Check a flood zone

Health statistics

Share of adults in ZIP 52568, CDC PLACES estimates

All 40 measures

Obesity

43.6%

U.S. 33.3% +10.3 pts

Diabetes

13.4%

U.S. 12.1% +1.3 pts

Smoking

18.6%

U.S. 12.8% +5.8 pts

Uninsured (18-64)

7.3%

U.S. 11.1% -3.8 pts

Frequently asked questions

What city is ZIP code 52568?: ZIP code 52568 is in Martinsburg, IA (Keokuk County).
What county is ZIP code 52568 in?: ZIP code 52568 is mostly in Keokuk County, Iowa.
How many people live in ZIP code 52568?: About 80 people live in the 52568 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.

Source: U.S. Census Bureau (ZIP Code Tabulation Areas, American Community Survey) · Data as of 12/31/2023. ZIP Code Tabulation Areas closely match, but are not identical to, USPS ZIP code delivery areas.