31780 ZIP Code — Plains, GA

Sumter County, Georgia

ZIP code 31780 is located in Plains, Georgia, within Sumter County. It covers approximately 91.53 square miles and serves a population of 1,887 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 229.

About ZIP code 31780

The housing stock consists of a higher-than-average concentration of mobile homes. Most homes were built in the 1990s, giving the area an established character. Median home value is $137,900. Owner-occupancy is high at 79%, well above the national average.

Median household income is $36,613. Poverty affects 22% of residents, above the national average. SNAP benefit usage at 22% of households reflects economic stress in the area. 54% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is production, transportation, and material moving, with education and healthcare as the leading industry. The average commute of 24 minutes is near the national average.

College attainment at 12% is below the national average, consistent with a trades and production-oriented local economy.

Health indicators show elevated rates of diabetes (16%) compared to national benchmarks.

Overall, ZIP code 31780 reflects a community defined by a trades-oriented workforce, economic challenges above the national average, high homeownership, a significant Social Security-dependent population, and elevated reliance on food assistance.

1,887

population

91.53

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

31780 ZIP code map

Cities in ZIP code 31780

Below are the cities the US Postal Service accepts for ZIP code 31780. Using any city not on this list may result in mail delivery delays.

City	Status
Plains	Preferred

Nearby ZIP codes

31719 Americus (5 mi) 39877 Parrott (10.7 mi) 31832 Weston (10.9 mi) 31824 Preston (11.7 mi) 31787 Smithville (12 mi) 39826 Bronwood (13.8 mi) 31709 Americus (14.5 mi) 39842 Dawson (15.8 mi) 31711 Andersonville (19.2 mi) 31825 Richland (19.7 mi) 31806 Ellaville (19.9 mi)

Demographics updated 05/2026

Population
Total population	1,887
Population density	21 / sq mi
State FIPS	13
County FIPS	261

Geography
Land area	91.53 sq mi
Water area	0.59 sq mi
Latitude	32.0115
Longitude	-84.3681
Timezone	Eastern (ET)
Area code	229

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	66.5%	59.0%	41.5%
$50k – $100k	15.1%	26.8%	30.3%
$100k – $200k	17.8%	12.1%	21.2%
Over $200k	0.7%	2.0%	7.1%

Demographics & statistics

1,887

Population

People per sq mi

42.0

Median age

$36,613

Median household income

$21,948

Per capita income

$137,900

Median home value

Median monthly rent

78.8%

Home ownership

21.7%

Poverty rate

3.1%

Unemployment

826

Housing units

12.0%

Bachelor's or higher

Age distribution

Male Female

Under 5

129

5–9

152

10–14

15–19

20–24

25–34

133

35–44

158

45–54

55–59

60–64

120

65–74

143

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	644	34.1%
18 and over	1,243	65.9%
65 and over	375	19.9%
Median age	42.0 years

Race & ethnicity

White 46.1%

Black or African American 37.5%

Hispanic or Latino 5.7%

Other race 5.6%

Two or more races 5%

Group	Count	%
White	923	46.1%
Black or African American	751	37.5%
Hispanic or Latino	115	5.7%
Other race	112	5.6%
Two or more races	101	5%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	66.5%	59.0%	41.5%
$50k – $100k	15.1%	26.8%	30.3%
$100k – $200k	17.8%	12.1%	21.2%
Over $200k	0.7%	2.0%	7.1%

Under $10k 11.0%

$10k–$15k 0.9%

$15k–$25k 21.9%

$25k–$35k 6.2%

$35k–$50k 20.2%

$50k–$75k 13.8%

$75k–$100k 2.0%

$100k–$150k 16.1%

$150k–$200k 3.9%

$200k+ 4.0%

Range	% of households
Under $10k	11.0%
$10k–$15k	0.9%
$15k–$25k	21.9%
$25k–$35k	6.2%
$35k–$50k	20.2%
$50k–$75k	13.8%
$75k–$100k	2.0%
$100k–$150k	16.1%
$150k–$200k	3.9%
$200k+	4.0%
Median income	$36,613

Housing

Home values

Under $50k 19.0%

$50k–$100k 24.5%

$100k–$150k 9.8%

$150k–$200k 12.5%

$200k–$300k 29.8%

$300k–$500k 4.3%

Housing overview

Metric	Value
Median home value	$137,900
Median rent / month	$0
Owner occupied	78.8%
Renter occupied	21.2%
Vacant	32.8%
Single-family detached	56.6%
Large apartment buildings	1.8%
Mobile homes	31.8%
Median rooms	5.6
Avg household size (owned)	2.71

Year built

Era	%
2020 or later	0.0%
2010–2019	0.8%
2000–2009	6.5%
1990–1999	23.5%
1980–1989	8.2%
1970–1979	17.1%
1960–1969	7.6%
1950–1959	6.3%
1940–1949	12.0%
1939 or earlier	17.9%

Bedrooms

Size	% of units
No bedroom (studio)	6.9%
1 bedroom	4.5%
2 bedrooms	23.6%
3 bedrooms	49.5%
4 bedrooms	11.7%
5+ bedrooms	3.8%

Vehicles per household

Vehicles	% of households
No vehicle	2.8%
1 vehicle	42.3%
2 vehicles	27.0%
3 or more	27.8%

Heating fuel

Fuel type	%
Utility gas	4.0%
Electricity	74.5%
Propane / LP gas	17.5%
Wood	2.0%
No fuel used	2.0%

Households & families

Household type	Count	%
Married-couple family	336	51.9%
Cohabiting couple	4	0.6%
Male householder, no spouse	142	21.9%
Female householder, no spouse	165	25.5%
Households with children under 18	240	37.1%
Households with seniors (65+)	248	38.3%
Average household size	2.77

Marital status

Status	Male	Female
Never married	30.5%	29.2%
Married	51.0%	47.4%
Separated	0.0%	1.8%
Widowed	8.1%	9.3%
Divorced	10.4%	12.3%

Education

Less than 9th grade 8.7%

Some HS, no diploma 3.9%

HS graduate 47.9%

Some college, no degree 22.9%

Associate's degree 4.5%

Bachelor's degree 7.5%

Graduate / professional 4.5%

Metric	%
HS diploma or higher	87.3%
Bachelor's or higher	12.0%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	27	5.0%
Kindergarten	15	2.8%
Elementary school	361	66.6%
High school	75	13.8%
College / grad school	64	11.8%

Employment

Industry of employment

Education & healthcare 21.6%

Retail trade 21.0%

Professional & management 12.5%

Other services 9.1%

Manufacturing 9.0%

Transportation & utilities 7.6%

Public administration 7.2%

Agriculture & mining 6.8%

Construction 4.3%

Information 0.4%

Finance & real estate 0.3%

Arts, food & hospitality 0.3%

Occupation

Category	%
Management, business & arts	14.8%
Service	15.9%
Sales & office	21.7%
Natural resources & construction	16.0%
Production & transportation	31.6%

Employment type

Type	%
Private sector	76.4%
Government	13.8%
Self-employed	9.8%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	76.6%
Carpool	20.3%
Public transit	0.0%
Walk	0.3%
Work from home	0.6%
Other means	2.1%
Avg commute (minutes)	23.7

Poverty

All people 21.7%

Under 18 years 23.3%

18 and over 20.7%

Married-couple families 15.2%

Female-led households 26.7%

Income support

Source	% of households
Social Security	53.5%
Retirement income	20.1%
Supplemental Security	18.9%
Cash public assistance	18.5%
Food stamps / SNAP	21.8%

Health indicators

Condition	%
Obesity	38.2%
High blood pressure	44.3%
High cholesterol	41.2%
Diabetes	16.2%
Heart disease	9.4%
Stroke	5.0%
Asthma	10.2%
Arthritis	32.2%
Kidney disease	4.3%
Pulmonary disease	9.5%
Cancer	7.7%

Behavior / access	%
Smoking	20.0%
Binge drinking	12.7%
No physical activity	32.6%
Less than 7 hrs sleep	36.1%
Depression	18.9%
Fair or poor health	21.5%
Poor mental health	15.2%
Poor physical health	13.5%
No health insurance	22.9%
Visited doctor (checkup)	79.1%
Visited dentist	54.4%
Cholesterol screening	90.8%
Teeth loss	22.1%

Veterans & disability

Veterans	Count	%
Civilian veterans	61	4.9%

Disability	%
Any disability	11.0%
Under 18	2.2%
18–64 years	11.5%
65 and over	28.9%

Health insurance coverage

Type	%
Private insurance	49.2%
Public insurance	61.4%
No insurance	10.3%
Uninsured under 19	2.2%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	1,730	91.7%
Spanish	138	8.0%
Other Indo-European	112	6.5%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	1,759	93.2%
Born in same state	1,710	90.6%
Born in different state	1,460	77.4%
Foreign born	49	2.6%
Naturalized citizen	128	6.8%
Not a US citizen	52	40.6%

Ancestry

Ancestry	Count	%
Italian	165	8.7%
French	152	8.1%
Arab	140	7.4%

Ancestry	Count	%
English	3	0.2%
Polish	3	0.2%

Technology access

Metric	% of households
Computer access	34.3%
Internet access	91.8%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 31780

What city is ZIP code 31780 in?

ZIP code 31780 is primarily assigned to Plains, Georgia.

What county is ZIP code 31780 in?

ZIP code 31780 falls within Sumter County, Georgia.

Is ZIP code 31780 family-oriented?

34% of residents in ZIP code 31780 are under 18, reflecting a younger, family-oriented community.

Does ZIP code 31780 have a large retiree population?

54% of households in ZIP code 31780 receive Social Security income, suggesting a significant retiree or disability population.

What is the poverty rate in ZIP code 31780?

22% of residents in ZIP code 31780 live below the poverty line, above the national average.

How educated is the population of ZIP code 31780?

12% of residents hold a bachelor's degree or higher — below the national average of ~33%, consistent with a trades-oriented local economy.

What timezone is ZIP code 31780 in?

ZIP code 31780 observes the EST timezone.