| ZIP Codes: | 20 ZIP Codes (9 Standard, 6 PO Box, 5 Unique) [See All] |
| Area Code: | 478 |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 2:11:41 PM |
| Population: | 174,812 [See All] |
| FIPS: | 13021 |
| CBSA: | Macon-Bibb County, GA |
| Land Area: | 454 sq mi |
| Water Area: | 6 sq mi |
| Coordinates: | 32.8325, -83.6661 |
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174,812 residents live across 20 ZIPs covering 454 sq mi, served by 2 distinct USPS-recognized cities.
Population moved from 175,660 to 174,812 from 2014 to 2024 — a -0.5% change. 5 ZIPs gained residents, 5 lost (and 1 held flat).
The county's wealthiest ZIP 31220 (Macon, $88,434 median) and poorest ZIP 31201 (Macon, $29,420) are 13.8 miles apart — a 3.0× income gap across local geography.
Median home values vary 3.2× across this county — from $90,200 in 31206 (Macon) to $285,800 in 31210 (Macon).
Density varies 104× across the county — from 126 people/sq mi in 31052 (Lizella) to 13,077 in 31207 (Macon).
Most of the decade's growth concentrated around Macon — top growth ZIPs averaged +14.4% over the past ten years ( 31220 , 31207 and 31204 ).
Educational attainment ranges from 8.2% bachelor's+ in 31206 (Macon) to 49.1% in 31210 (Macon) — the breadth of educational profiles across the area.
Within Georgia, this is the #13 most populous of 161 counties and ranks #85 for median household income .
Hosts 4 single-entity Unique ZIPs: 31207Mercer University ; 31213Usps Official Mail ; 31294Business Reply Mail ; and 31296Geico Claims .
Weighted by population, the typical household earns about $56,607 across the county — reflecting what a typical resident sees, not a simple ZIP average.
25.9% of adults age 25+ hold a bachelor's degree or higher (30,101 of 116,284 reporting). The most-educated ZIPs cluster around Macon.
9 Standard delivery, 6 PO Box only, 5 single-entity Unique ZIPs serve this county.
1 ZIP in this county where more than 60% of adults 25+ hold a bachelor's degree — typically college campuses, research enclaves, or tech corridors.
5 ZIP codes in this county serve a single facility — typically theme parks, universities, large corporations, airports, or government complexes.
Median household income spans 3.0× between the wealthiest and poorest ZIPs — a sign of significant intra-county inequality.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 31210 | Macon | Standard | 33,288 | $78,447 | 45.4 | 4.5% |
| 31204 | Macon | Standard | 32,421 | $38,784 | 13.6 | 7.1% |
| 31206 | Macon | Standard | 24,310 | $30,042 | 27.0 | -17.8% |
| 31217 | Macon | Standard | 17,732 | $44,809 | 131.1 | -4.2% |
| 31220 | Macon | Standard | 16,494 | $88,434 | 51.8 | 24.1% |
| 31216 | Macon | Standard | 16,328 | $72,452 | 56.8 | -5.5% |
| 31211 | Macon | Standard | 15,868 | $49,202 | 45.8 | -1.1% |
| 31052 | Lizella | Standard | 9,001 | $84,846 | 71.5 | 2.1% |
| 31201 | Macon | Standard | 7,891 | $29,420 | 10.7 | -9.5% |
| 31207 | Macon | Unique | 1,479 | — | 0.1 | 12.0% |
| 31213 | Macon | Unique | 0 | — | 0.0 | — |
| 31208 | Macon | PO Box | — | — | 0.0 | — |
| 31294 | Macon | Unique | — | — | 0.0 | — |
| 31205 | Macon | PO Box | — | — | 0.0 | — |
| 31221 | Macon | PO Box | — | — | 0.0 | — |
| 31209 | Macon | PO Box | — | — | 0.0 | — |
| 31202 | Macon | PO Box | — | — | 0.0 | — |
| 31203 | Macon | PO Box | — | — | 0.0 | — |
| 31296 | Macon | Unique | — | — | 0.0 | — |
| 31295 | Macon | Unique | — | — | 0.0 | — |