Residential delivery area · Georgia
ZIP Code 30257: Milner, GA
ZIP code 30257 uses the postal name Milner, Georgia and lies mostly in Lamar County (91% of its land) with the rest in Pike County (Census 2020 ZIP-county file). About 4,600 people live there (Census Bureau, ACS 2020-2024). Median household income is $67,941 (Census Bureau, ACS 2020-2024). By Census place, 5% of its land lies in Milner; 95% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Milner · its only residential ZIP
- County
- Lamar County (91%); Pike County (9%)
- Census places
- Milner
- House district
- GA-3 119th Congress
- State
- Georgia
- Time zone
- Eastern
- Land area
- 42.1 sq mi · 109 people per sq mi
Where is ZIP code 30257?
30257 centers on 33.143°, -84.186° and covers 42.1 square miles of land plus 0.7 of water. It borders 4 ZIP codes: 30224, 30204, 30295, 30233.
The map draws ZIP code areas only. For the streets inside 30257, 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 30257 compare with the rest of Lamar County?
| Measure | 30257 | In Lamar County | In GA |
|---|---|---|---|
| People (ACS 2020-2024) | 4,588 | 5th of 9 | 418th of 751 |
| Median household income | $68k | 4th of 6 | 237th of 476 |
| Median home value | $245k | 4th of 6 | 245th of 474 |
Its median household income is higher than in 43% of U.S. residential ZIP codes, and it is denser than 55% 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 30257?
The 2020 Census counted 4,608 people in 30257; the ACS, which samples households over 2020-2024, estimates 4,588. Between the 2010 and 2020 censuses its population grew 11.4% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 4,588±818 (90% margin)
- 2020 Census count
- 4,608+11.4% since 2010 (4,138)
- Households
- 1,678
- Median age
- 38.8
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 30257?
Of the 4,588 people the ACS estimates in 30257, 24.7% are under 18 and 15.8% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (76.4%), then Black (not Hispanic) (13.9%).
- Under 1824.7%
- 18 to 6459.5%
- 65 and older15.8%
- White, not Hispanic76.4%
- Black, not Hispanic13.9%
- Hispanic or Latino4.6%
- Other or two or more4.1%
- Asian, not Hispanic1.0%
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 30257 earn?
Median household income is $67,941 (ACS 2020-2024), the 4th highest of the 6 ranked ZIP codes in Lamar County. It is not measurably different from 2015-2019 ($57,934 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $67,941
- Income per person
- $31,204
- Below the poverty line
- 6.9%
- Unemployed (of the labor force)
- 2.1%
- Adults 25+ with a bachelor's degree
- 16.1%
- Adjusted gross income per tax return, 2022
- $65,6742,680 returns; wages 75% 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 30257?
FHFA's house price index for 30257, built from repeat sales and appraisals of the same homes, rose 139% from 2015 to 2025 and rose 76% from 2020 to 2025, and moved +3.6% in 2025.
- Median home value (owners' estimate)
- $245,100
- Median gross rent
- $913
- Homes owned by their occupants
- 83.7%
- Housing units
- 1,844
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 30257?
57 business establishments had a location in this ZIP code in 2023, 10 more than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction15
- Other services (except public administration)9
- Manufacturing8
- Administrative and support and waste management and remediation services6
- Professional, scientific, and technical services4
- Retail trade3
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 30257?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 30224 | Griffin | 28,414 | $70k | 5.2 mi |
| 30204 | Barnesville | 13,616 | $63k | 7.1 mi |
| 30295 | Zebulon | 5,567 | $82k | 8.4 mi |
| 30233 | Jackson | 24,730 | $74k | 16.0 mi |
| 30223 | Griffin | 38,262 | $59k | 11.4 mi (near) |
| 30285 | The Rock | 589 | $85k | 11.5 mi (near) |
| 30256 | Meansville | 2,838 | $74k | 11.8 mi (near) |
| 30292 | Williamson | 6,384 | $87k | 12.1 mi (near) |
| 30284 | Sunny Side | 6 | – | 14.8 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.