Residential delivery area · Georgia
ZIP Code 31788: Moultrie, GA
ZIP code 31788 uses the postal name Moultrie, Georgia and lies mostly in Colquitt County (98% of its land) with the rest in Brooks County (Census 2020 ZIP-county file). About 11,000 people live there (Census Bureau, ACS 2020-2024), the less populous of Moultrie's 2 residential ZIP codes. Median household income is $47,325 (Census Bureau, ACS 2020-2024). Its land lies mostly outside any Census place; 5% is in small places.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Moultrie · 2 residential ZIPs
- County
- Colquitt County (98%); Brooks County (2%)
- Micro area
- Moultrie, GA
- House district
- GA-8 119th Congress
- State
- Georgia
- Time zone
- Eastern
- Land area
- 128.7 sq mi · 88 people per sq mi
- PO Box ZIPs
- 31776 also use the name Moultrie
Where is ZIP code 31788?
31788 centers on 31.112°, -83.684° and covers 128.7 square miles of land plus 1.7 of water. It borders 8 ZIP codes: 31722, 31747, 31778, 31771, 31768, 31625, 31738, 31620.
The map draws ZIP code areas only. For the streets inside 31788, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 31788 compare with the rest of Moultrie?
| Measure | 31788 | In Moultrie | In Colquitt County | In GA |
|---|---|---|---|---|
| People (ACS 2020-2024) | 11,301 | 2nd of 2 | 2nd of 14 | 276th of 751 |
| Median household income | $47k | 1st of 2 | 4th of 6 | 416th of 476 |
| Median home value | $132k | not ranked | not ranked | not ranked |
31788's median home value is not ranked: its 90% margin of error (±$41,829) is more than a quarter of the figure ($132,300). Rankings use ZIP codes of 1,000 or more people living in households, with margins at most 25% of the figure.
Its median household income is higher than in 11% of U.S. residential ZIP codes, and it is denser than 52% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 31788?
The 2020 Census counted 11,283 people in 31788; the ACS, which samples households over 2020-2024, estimates 11,301. Between the 2010 and 2020 censuses its population grew 6.4% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 11,301
- 2020 Census count
- 11,283+6.4% since 2010 (10,602)
- Households
- 3,777
- Median age
- 37.9
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 31788?
Of the 11,301 people the ACS estimates in 31788, 26.1% are under 18 and 14.7% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (49.8%), then Hispanic or Latino (34.1%).
- Under 1826.1%
- 18 to 6459.1%
- 65 and older14.7%
- White, not Hispanic49.8%
- Hispanic or Latino34.1%
- Black, not Hispanic15.3%
- Other or two or more0.7%
- Asian, not Hispanic0.1%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 31788 earn?
Median household income is $47,325 (ACS 2020-2024), the 4th highest of the 6 ranked ZIP codes in Colquitt County. It is not measurably different from 2015-2019 ($47,357 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $47,325±$10,008
- Income per person
- $23,780
- Below the poverty line
- 25.2%
- Unemployed (of the labor force)
- 2.0%
- Adults 25+ with a bachelor's degree
- 15.7%
- Adjusted gross income per tax return, 2022
- $53,9993,860 returns; wages 74% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 31788?
FHFA's house price index for 31788, built from repeat sales and appraisals of the same homes, rose 98% from 2015 to 2025 and rose 84% from 2020 to 2025, and moved +18.1% in 2025.
- Median home value (owners' estimate)
- $132,300
- Median gross rent
- $931
- Homes owned by their occupants
- 66.3%
- Housing units
- 4,489
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 31788?
179 business establishments had a location in this ZIP code in 2023, 26 more than in 2018; the most are in retail trade (ZIP Code Business Patterns).
- Retail trade38
- Accommodation and food services23
- Health care and social assistance18
- Transportation and warehousing16
- Construction15
- Manufacturing12
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 31788?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 31722 | Berlin | 493 | $54k | 6.1 mi |
| 31747 | Ellenton | 258 | $56k | 7.3 mi |
| 31778 | Pavo | 2,895 | $75k | 9.5 mi |
| 31771 | Norman Park | 7,059 | $63k | 9.6 mi |
| 31768 | Moultrie | 21,903 | $47k | 10.7 mi |
| 31625 | Barney | 915 | $85k | 12.7 mi |
| 31738 | Coolidge | 2,798 | $70k | 13.6 mi |
| 31620 | Adel | 10,969 | $52k | 14.8 mi |
| 31753 | Funston | 35 | – | 12.8 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.