What city is ZIP code 71770?

ZIP code 71770 is in Waldo, AR (Columbia County).

What county is ZIP code 71770 in?

ZIP code 71770 is mostly in Columbia County, Arkansas.

How many people live in ZIP code 71770?

About 3,307 people live in the 71770 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.

Checked Oct 26, 2026

ZIP Code 71770

Waldo, AR, Columbia County

Population

3,307

Land area

149.7sq mi

People per sq mi

City

Waldo

ZIP 71770 and nearby ZIP codes

Full map

ZIP 71770 at a glance

ZIP 71770 (Waldo) is 62% less dense than Arkansas as a whole.
The median household income is $44,569, 27% below the Arkansas median of $60,773.
A typical owner-occupied home is valued at $91,200 (51% below Arkansas) and median rent is $833 a month.

Local data for ZIP 71770

Counts from official public data

Housing and community stats

ZIP 71770, American Community Survey 2020-2024

Full profile

Median household income

$44,569

Poverty rate

25.1%

Median home value

$91,200

Median rent

$833/mo

Homeownership

84.9%

Bachelor's or higher

17.3%

Median age

42.2

Average commute

37.0 min

Income, education and commute

Economy and federal money

Businesses, pandemic loans and political donations

Details

Business establishments

ZIP Business Patterns 2023

Employees

271

$17.2M annual payroll

PPP loans

$1.5M

75 loans

Campaign donations

$1,513

33% D, 43% R, 2026 cycle

PPP loans in this ZIP

Environment and hazard risk

ZIP 71770, from FEMA, NOAA and EPA

Full report

Natural hazard risk

Very Low

Top: ice storm

Storm events since 1996

467

Countywide, mostly thunderstorm wind

Flood insurance policies

0.1% of homes, county

July high / Jan low

92° / 31°F

56.3 inches of rain a year

Hazards, floods and storm history Check a flood zone

Health statistics

Share of adults in ZIP 71770, CDC PLACES estimates

All 40 measures

Obesity

41.4%

U.S. 33.3% +8.1 pts

Diabetes

17.2%

U.S. 12.1% +5.1 pts

Smoking

18.3%

U.S. 12.8% +5.5 pts

Uninsured (18-64)

11.0%

U.S. 11.1% about the same

Frequently asked questions

What city is ZIP code 71770?: ZIP code 71770 is in Waldo, AR (Columbia County).
What county is ZIP code 71770 in?: ZIP code 71770 is mostly in Columbia County, Arkansas.
How many people live in ZIP code 71770?: About 3,307 people live in the 71770 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.