Postal Codes

31780 ZIP Code

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ZIP code 31780 covers Plains, Georgia, with a population of about 1,748 and a median household income of $38,639.

Population
1,74819 per square mile
Median age
42.74 points above the US average
Median household income
$38,63948% below the Georgia median
Poverty rate
24%11.6 points above the US average
Typical home value
$114,959up 29.8% in five years
Degree or higher
8.9%26.1 points below the US average
Homeownership
80.8%15.8 points above the US average
Time zone
Eastern UTC-05:00observes daylight saving time
Businesses
27

Where 31780 is

Plains, Georgia — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population1,748
Median age42.7
Family households73%
Born outside the US3.4%
Speaks a language other than English at home6.6%
White (non-Hispanic)40.2%
Black (non-Hispanic)40%
Asian (non-Hispanic)0%
Hispanic or Latino8.9%
Veterans6.1%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$38,639
Income per person$21,176
Poverty rate24%
Households on SNAP or cash assistance33.1%

Household income distribution

Under $10k5.5%
$10–15k16.1%
$15–20k2.0%
$20–25k8.9%
$25–30k0.0%
$30–35k9.9%
$35–40k16.7%
$40–45k4.8%
$45–50k1.0%
$50–60k3.1%
$60–75k4.6%
$75–100k6.1%
$100–125k11.6%
$125–150k3.1%
$150–200k2.5%
$200k or more4.0%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed670
Mean adjusted gross income$52,134
Returns declaring $200,000 or more0%
Returns, under $25k35.8%
Returns, $25k–$50k29.9%
Returns, $50k–$75k14.9%
Returns, $75k–$100k6.0%
Returns, $100k–$200k13.4%
Returns, $200k or more0.0%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$184,200
Rent as a share of household income51%
Owner-occupied80.8%
Vacant homes34.4%
Median year built1973

What the homes are

Detached house66.6%
2 to 4 units5.2%
5 to 19 units1.5%
20 or more units0.7%
Mobile home26.1%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$114,959as of 2026-07
Typical home value, 1 yearup 13.8%
Typical home value, 5 yearsup 29.8%
Typical home value, 10 yearsup 75.2%
Typical home value since 2000
200920172026$114,959$57,952

$67,443 in 2009 to $114,959 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate4.3%
Bachelor's degree or higher8.9%
High school diploma or higher87.3%
Works from home0.6%
Drives to work alone71.9%
Takes public transport0%
Commutes 45 minutes or more20.7%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity39.3% 5.9 pts above the national average of 33.4%
Diagnosed diabetes18.3% 6.3 pts above the national average of 12%
Currently smokes17.2% 4 pts above the national average of 13.2%
High blood pressure47.3% 13.2 pts above the national average of 34.1%
Fair or poor general health26.5% 6.2 pts above the national average of 20.3%
No health insurance (18–64)13.7% 2.4 pts above the national average of 11.3%
Depression19.1% 2.8 pts below the national average of 21.9%
No leisure-time physical activity33.4% 8 pts above the national average of 25.4%
Arthritis32.6% 7.5 pts above the national average of 25.1%
Binge drinking12.2% 3.8 pts below the national average of 16%
Taking blood pressure medication82.2% 7.5 pts above the national average of 74.7%
Cancer (non-skin)8.7% 1 pts above the national average of 7.7%
Current asthma10.9% 0.5 pts above the national average of 10.4%
Coronary heart disease9.2% 3 pts above the national average of 6.2%
Routine check-up in past year81.1% 4.4 pts above the national average of 76.7%
Cholesterol screening87.3% 1.4 pts above the national average of 85.9%
Cognitive disability16.3% 1.5 pts above the national average of 14.8%
Colorectal screening66.4% 2.1 pts above the national average of 64.3%
COPD9.7% 3.1 pts above the national average of 6.6%
Visited a dentist53.2% 8.1 pts below the national average of 61.3%
Any disability37.3% 6.6 pts above the national average of 30.7%
Lacks emotional support25.7% 0.9 pts above the national average of 24.8%
Food insecurity21.9% 4.8 pts above the national average of 17.1%
Received food stamps19.1% 4.8 pts above the national average of 14.3%
Hearing disability8.8% 2.1 pts above the national average of 6.7%
High cholesterol42.3% 6.1 pts above the national average of 36.2%
Housing insecurity17.1% 3.3 pts above the national average of 13.8%
Independent living disability11.4% 3 pts above the national average of 8.4%
Lacks transport11.3% 2.1 pts above the national average of 9.2%
Loneliness37.1% 2.7 pts above the national average of 34.4%
Mammography use73.4% 2.5 pts below the national average of 75.9%
Poor mental health (14+ days)17.9% 1.1 pts above the national average of 16.8%
Mobility disability20.2% 6.2 pts above the national average of 14%
Poor physical health (14+ days)16.9% 3.4 pts above the national average of 13.5%
Self-care disability6% 2 pts above the national average of 4%
Utility shut-off threat11.6% 2.8 pts above the national average of 8.8%
Sleeps under 7 hours40% 3.6 pts above the national average of 36.4%
Stroke5.4% 2 pts above the national average of 3.4%
All natural teeth lost18.4% 5.4 pts above the national average of 13%
Vision disability7.6% 2 pts above the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments27
People employed251
Annual payroll$8,054,000
Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 71% of US census tracts
FEMA ratingVery Low to Relatively Moderate across the 3 census tracts this ZIP code covers
Expected annual loss49.8 out of 100
Community resilience32.6 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Drought99Relatively High at its worst in this ZIP code
Strong wind88.6Relatively High at its worst in this ZIP code
Hail88Relatively High at its worst in this ZIP code
Hurricane86.6Relatively Moderate at its worst in this ZIP code
Wildfire85.2Relatively Low at its worst in this ZIP code
Lightning84.9Relatively High at its worst in this ZIP code
Landslide74.9Very Low at its worst in this ZIP code
Tornado72Relatively High at its worst in this ZIP code
Heat wave71Relatively Moderate at its worst in this ZIP code
Earthquake55.2Relatively Low at its worst in this ZIP code
River flooding45.8Relatively Moderate at its worst in this ZIP code
Winter weather33.3Relatively Low at its worst in this ZIP code
Cold wave28.9Relatively Low at its worst in this ZIP code
Ice storm5.3Very Low at its worst in this ZIP code
Compared with Georgia and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPGeorgiaUnited States
Median household income$38,639$74,664$78,538
Income per person$21,176$39,525$43,289
Poverty rate24%13.5%12.4%
Median home value$184,200$272,900$303,400
Median gross rent$1,306$1,348
Homeownership80.8%65.4%65%
Bachelor's degree or higher8.9%34.2%35%
Unemployment rate4.3%5.1%5.2%
Works from home0.6%14.2%13.5%
Born outside the US3.4%10.8%13.9%
Median age42.737.438.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationPLAINS SW GA EXP STN, GA US1.8 km away
Rain in a year51 in
Snow in a year0 in

Average high and low by month

January58.1°F / 35.9°F4.56 in rain, 0.1 in snow
February61.9°F / 38.7°F4.5 in rain
March68.9°F / 44.9°F4.91 in rain
April75.7°F / 51.4°F4.07 in rain
May83.4°F / 60.1°F3.06 in rain
June88.5°F / 67.6°F4.57 in rain
July90.4°F / 70.7°F5.02 in rain
August89.2°F / 69.9°F4.68 in rain
September85°F / 64.9°F3.95 in rain
October77°F / 53.8°F2.69 in rain
November67.9°F / 43.8°F3.31 in rain
December60.6°F / 38.8°F5.34 in rain
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarketNone of this ZIP code
Far from a supermarketNone of this ZIP code
No vehicle and far from a supermarketNone of this ZIP code
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

This ZIP code is served by 2 school districts, so the address decides which one, not the ZIP code.

Sumter County School District90.5% of this ZIP code's land area
Webster County School District9.5% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability94more vulnerable than 94% of US census tracts
Socioeconomic status74more vulnerable than 74% of US census tracts
Household characteristics91more vulnerable than 91% of US census tracts
Racial and ethnic minority status73more vulnerable than 73% of US census tracts
Housing type and transport95more vulnerable than 95% of US census tracts
Walkability4.1 out of 20Least walkable
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

31719 Americus, GA8 km away
31709 Americus, GA13.5 km away
31824 Preston, GA18.5 km away
31787 Smithville, GA20.7 km away
39877 Parrott, GA21.2 km away
31832 Weston, GA21.9 km away
39826 Bronwood, GA22.6 km away
31711 Andersonville, GA22.8 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Sumter County90.5% of this ZIP code's land area
Webster County9.5% of this ZIP code's land area
Time zoneEastern (UTC-05:00 standard)
Daylight saving timeObserved
Land area91.53 sq mi
Water area0.59 sq mi
Population density19 people per sq mi
Latitude, longitude32.0339, -84.3586

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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