PlainZIP

Plains, GA · standard

ZIP Code 31780

Sumter County, Georgia - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

2,285
9/sq mi
$39,290
Median income
$158,600
Median home value
11.7%
Bachelor's or higher

The verdict

Plains pairs one of the lowest household incomes in the country with below-median home values, in a rural, homeowner-dominated area.

5th pct
household income, US ZIPs
29th pct
home value, US ZIPs
9
people per sq mi
85%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 31780 against every reporting US ZIP.

ZIP code 31780 covers 259.7 square miles in Plains, Sumter County, Georgia (a standard USPS delivery area), with a modest 2,285 residents on file, a density of 9 people per square mile, in the New York time zone.

ZIP 31780 sits on the lower end of the income spectrum: median household income is $39,290 (44% below the Georgia average), while per-capita income is $25,488. The poverty rate stands at 16.7% and the unemployment rate at 4.6%. The typical home here is valued at $158,600 (34% below the state average); renters pay a median of $750 monthly, and 84.5% of units are owner-occupied.

Formal educational attainment runs low here: just 11.7% of adults hold a bachelor's degree or higher, the median age is 43.4, and the average commute is -. Beyond these figures, 4 nearby ZIP codes within about 10 miles are surfaced below, along with 6 more sharing Sumter County, letting you compare 31780 to its immediate surroundings rather than a national baseline alone.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Top industries in ZIP 31780

Top 5 sectors by establishment count in Plains, GA

Which industries have the most business establishments in ZIP 31780.

establishments

What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.

Source U.S. Census Bureau · ZIP Code Business Patterns (ZBP) As of 2023

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 31780, Plains, GA · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

2,285

Population

259.7

Area (sq mi)

9

People / sq mi

New York

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 31780?

43.4

Median Age

41.0%

Male

59.0%

Female

0.3%

Foreign-Born

White 43.7%
African American 42.3%
Asian 0.0%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 11.7%
Hispanic or Latino 3.7%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$39,290

Median Household Income

-44% vs state

$25,488

Per Capita Income

16.7%

Poverty Rate

4.6%

Unemployment Rate

How ZIP 31780 ranks nationally

Plains, GA household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$39,290 5th percentile higher than 5% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). This entry sits in this band. $40,000–$60,000: 7,092 US ZIPs (23%). Above this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Above this entry. $80,000–$100,000: 5,778 US ZIPs (19%). Above this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 52.5%
Bachelor's Degree or Higher 11.7%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

993

Total Housing Units

695

Occupied Units

298

Vacant Units

2.42

Avg Household Size

Occupancy Type

Owner 84.5%
Renter 15.5%

$158,600

Median Home Value

-34% vs state

$750

Median Rent

1970

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What businesses operate in this ZIP?

Census Bureau data shows 30 business establishments in ZIP 31780, employing approximately 263 people with a combined annual payroll of $9,985,000.

30

Businesses

263

Employees

$10.0M

Annual Payroll

5

Industry Sectors

Industry Establishments % of Total
Retail trade 7 23.3%
Health care and social assistance 6 20.0%
Construction 4 13.3%
Agriculture, forestry, fishing and hunting 3 10.0%
Transportation and warehousing 3 10.0%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 31780 vs 31719 →

ZIP 31780 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 31780 ranks #2 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 31780 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 31780 ranks #4 of 5 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
31719 Americus, GA 10,977 6.6 mi
31824 Preston, GA 1,838 8.1 mi
39877 Parrott, GA 500 10.5 mi
31787 Smithville, GA 1,488 12.7 mi

More ZIP Codes in Sumter County

31709 standard
Americus, GA
Pop: 16,019
31719 standard
Americus, GA
Pop: 10,977
31764 standard
Leslie, GA
Pop: 1,296
31711 standard
Andersonville, GA
Pop: 867
31735 standard
Cobb, GA
Pop: 817
31743 standard
De Soto, GA
Pop: 630

Related Areas

Sumter County Plains, GA Georgia

Frequently Asked Questions

What county is ZIP code 31780 in? ▼
ZIP code 31780 (Plains) is located in Sumter County, Georgia. Sumter County contains multiple ZIP codes, see the full list at /counties/sumter-ga.
What is the population of ZIP code 31780? ▼
ZIP code 31780 in Plains, GA has a population of 2,285 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 31780? ▼
The median household income in ZIP 31780 is $39,290, which is 48% below the national average of $76,288.
What is the average home value in ZIP 31780? ▼
The median home value in ZIP 31780 is $158,600, which is 43% below the national average of $278,155.
What is the demographic makeup of ZIP 31780? ▼
The largest racial group in ZIP 31780 is White at 43.7%. Hispanic or Latino residents make up 3.7% of the population.
How many businesses are in ZIP code 31780? ▼
ZIP code 31780 has 30 business establishments employing approximately 263 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 31780? ▼
The top industries by establishment count in ZIP 31780 are: Retail trade (7), Health care and social assistance (6), Construction (4). There are 5 industry sectors represented in total.
What is the education level in ZIP code 31780? ▼
In ZIP code 31780, 52.5% of residents aged 25+ have a high school diploma or higher, and 11.7% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What percentage of residents own vs. rent in ZIP 31780? ▼
In ZIP code 31780, approximately 84.5% of occupied housing units are owner-occupied and 15.5% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 31780? ▼
The poverty rate in ZIP code 31780 is 16.7% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.