31787 ZIP Code — Smithville, GA

Lee County, Georgia

ZIP code 31787 is located in Smithville, Georgia, within Lee County. It covers approximately 84.43 square miles and serves a population of 1,231 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 229.

About ZIP code 31787

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1980s, giving the area an established character. Median home value is $195,500. Owner-occupancy is high at 80%, well above the national average.

Median household income is $72,313. 38% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. An above-average commute of 39 minutes suggests many residents work outside the immediate area.

Educational attainment is near the national average, with 23% of residents holding a bachelor's degree or higher.

Health indicators show elevated rates of smoking (21%) compared to national benchmarks.

Overall, ZIP code 31787 reflects a community defined by high homeownership and a significant Social Security-dependent population.

1,231

population

84.43

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

31787 ZIP code map

Cities in ZIP code 31787

Below are the cities the US Postal Service accepts for ZIP code 31787. Using any city not on this list may result in mail delivery delays.

City	Status
Smithville	Preferred

Nearby ZIP codes

39826 Bronwood (8.6 mi) 31709 Americus (10.2 mi) 31763 Leesburg (11.7 mi) 31780 Plains (12 mi) 31719 Americus (13 mi) 31743 De Soto (13.1 mi) 39842 Dawson (14.9 mi) 31735 Cobb (16.1 mi) 39877 Parrott (17 mi) 31772 Oakfield (18 mi)

Demographics updated 07/2026

Population
Total population	1,231
Population density	15 / sq mi
State FIPS	13
County FIPS	177

Geography
Land area	84.43 sq mi
Water area	0.90 sq mi
Latitude	31.8921
Longitude	-84.2192
Timezone	Eastern (ET)
Area code	229

Total population by age

Gender

Race & ethnicity

Economics updated 07/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	54.2%	38.0%	41.5%
$50k – $100k	17.2%	37.0%	30.3%
$100k – $200k	26.0%	22.4%	21.2%
Over $200k	2.6%	2.7%	7.1%

Demographics & statistics

1,231

Population

People per sq mi

42.7

Median age

$72,313

Median household income

$32,305

Per capita income

$195,500

Median home value

$887

Median monthly rent

79.7%

Home ownership

15.4%

Poverty rate

0.8%

Unemployment

566

Housing units

22.7%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

25–34

176

35–44

142

45–54

55–59

60–64

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	284	23.1%
18 and over	947	76.9%
65 and over	246	20.0%
Median age	42.7 years

Race & ethnicity

White 71.5%

Black or African American 28.5%

Group	Count	%
White	880	71.5%
Black or African American	351	28.5%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	54.2%	38.0%	41.5%
$50k – $100k	17.2%	37.0%	30.3%
$100k – $200k	26.0%	22.4%	21.2%
Over $200k	2.6%	2.7%	7.1%

Under $10k 1.8%

$10k–$15k 13.2%

$15k–$25k 6.8%

$25k–$35k 9.9%

$35k–$50k 14.3%

$50k–$75k 9.0%

$75k–$100k 16.1%

$100k–$150k 19.7%

$150k–$200k 5.5%

$200k+ 3.8%

Range	% of households
Under $10k	1.8%
$10k–$15k	13.2%
$15k–$25k	6.8%
$25k–$35k	9.9%
$35k–$50k	14.3%
$50k–$75k	9.0%
$75k–$100k	16.1%
$100k–$150k	19.7%
$150k–$200k	5.5%
$200k+	3.8%
Median income	$72,313

Housing

Home values

Under $50k 4.6%

$50k–$100k 24.8%

$100k–$150k 17.7%

$150k–$200k 3.4%

$200k–$300k 10.8%

$300k–$500k 31.2%

$500k–$1M 7.6%

Housing overview

Metric	Value
Median home value	$195,500
Median rent / month	$887
Owner occupied	79.7%
Renter occupied	20.3%
Vacant	19.2%
Single-family detached	76.8%
Large apartment buildings	0.0%
Mobile homes	23.2%
Median rooms	6.5
Avg household size (owned)	2.34

Year built

Era	%
2020 or later	0.0%
2010–2019	1.6%
2000–2009	6.6%
1990–1999	23.3%
1980–1989	34.0%
1970–1979	10.6%
1960–1969	4.7%
1950–1959	1.3%
1940–1949	1.9%
1939 or earlier	15.8%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	0.9%
2 bedrooms	32.3%
3 bedrooms	30.0%
4 bedrooms	34.7%
5+ bedrooms	2.1%

Vehicles per household

Vehicles	% of households
No vehicle	10.6%
1 vehicle	24.7%
2 vehicles	35.5%
3 or more	29.3%

Heating fuel

Fuel type	%
Electricity	70.4%
Propane / LP gas	24.7%
Fuel oil	0.9%
No fuel used	4.0%

Households & families

Household type	Count	%
Married-couple family	290	53.0%
Cohabiting couple	10	1.8%
Male householder, no spouse	142	26.0%
Female householder, no spouse	105	19.2%
Households with children under 18	177	32.4%
Households with seniors (65+)	185	33.8%
Average household size	2.25

Marital status

Status	Male	Female
Never married	28.2%	11.6%
Married	55.4%	57.2%
Separated	3.2%	3.2%
Widowed	0.8%	19.8%
Divorced	12.5%	8.2%

Education

Less than 9th grade 9.2%

Some HS, no diploma 8.1%

HS graduate 38.9%

Some college, no degree 13.7%

Associate's degree 7.5%

Bachelor's degree 14.2%

Graduate / professional 8.5%

Metric	%
HS diploma or higher	82.8%
Bachelor's or higher	22.7%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	4	1.4%
Kindergarten	14	5.0%
Elementary school	224	80.6%
High school	26	9.4%
College / grad school	10	3.6%

Employment

Industry of employment

Education & healthcare 22.5%

Agriculture & mining 17.0%

Public administration 10.9%

Construction 8.7%

Transportation & utilities 8.1%

Wholesale trade 7.3%

Retail trade 7.1%

Manufacturing 5.5%

Professional & management 5.3%

Arts, food & hospitality 4.7%

Other services 3.0%

Occupation

Category	%
Management, business & arts	42.3%
Service	10.9%
Sales & office	21.1%
Natural resources & construction	12.1%
Production & transportation	13.6%

Employment type

Type	%
Private sector	70.4%
Government	27.9%
Self-employed	1.6%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	72.3%
Carpool	14.4%
Public transit	0.0%
Walk	0.0%
Work from home	13.4%
Other means	0.0%
Avg commute (minutes)	38.7

Poverty

All people 15.4%

Under 18 years 4.9%

18 and over 18.6%

Married-couple families 4.5%

Female-led households 18.2%

Income support

Source	% of households
Social Security	37.5%
Retirement income	18.6%
Supplemental Security	9.1%
Cash public assistance	0.0%
Food stamps / SNAP	15.7%

Health indicators

Condition	%
Obesity	40.5%
High blood pressure	42.1%
High cholesterol	35.5%
Diabetes	15.0%
Heart disease	6.9%
Stroke	4.0%
Asthma	10.8%
Arthritis	27.8%
Kidney disease	3.5%
Pulmonary disease	7.7%
Cancer	5.8%

Behavior / access	%
Smoking	21.2%
Binge drinking	14.0%
No physical activity	30.1%
Less than 7 hrs sleep	40.1%
Depression	19.7%
Fair or poor health	19.7%
Poor mental health	16.3%
Poor physical health	12.3%
No health insurance	21.9%
Visited doctor (checkup)	79.0%
Visited dentist	53.9%
Cholesterol screening	90.8%
Teeth loss	20.3%

Veterans & disability

Veterans	Count	%
Civilian veterans	39	4.1%

Disability	%
Any disability	18.4%
Under 18	3.5%
18–64 years	17.4%
65 and over	38.6%

Health insurance coverage

Type	%
Private insurance	54.4%
Public insurance	44.2%
No insurance	10.4%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	1,209	98.2%
Spanish	0	0.0%
Other Indo-European	0	0.0%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	1,229	99.8%
Born in same state	1,229	99.8%
Born in different state	942	76.5%
Foreign born	0	0.0%
Naturalized citizen	2	0.2%
Not a US citizen	2	100.0%

Ancestry

Ancestry	Count	%
Arab	217	17.6%
French	180	14.6%

Ancestry	Count	%
Italian	49	4%

Technology access

Metric	% of households
Computer access	44.4%
Internet access	87.0%

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

Frequently asked questions about ZIP code 31787

What city is ZIP code 31787 in?

ZIP code 31787 is primarily assigned to Smithville, Georgia.

What county is ZIP code 31787 in?

ZIP code 31787 falls within Lee County, Georgia.

What is the poverty rate in ZIP code 31787?

15% of residents in ZIP code 31787 live below the poverty line, above the national average.

Does ZIP code 31787 have a large retiree population?

38% of households in ZIP code 31787 receive Social Security income, suggesting a significant retiree or disability population.

What is the population of ZIP code 31787?

ZIP code 31787 has an estimated population of 1,231 residents, with a density of 15 people per square mile.

What is the typical home value in ZIP code 31787?

The median home value in ZIP code 31787 is $195,500.

What timezone is ZIP code 31787 in?

ZIP code 31787 observes the EST timezone.