Livestock · NASS annual estimates, 2025
Where are hogs raised?
Iowa has the most hogs: 34% of the 75.2 million hogs on US farms on December 1, 2025.
Next come Minnesota (12%) and North Carolina (11%).
- On US farms, 2025
- 75.2 million hogsNASS estimate
- Top state
- Iowa34% of total
- Farms reporting, 2022
- 60,809in 50 states
- Counties reporting
- 2,885513 withheld
Source: USDA National Agricultural Statistics Service. State view: NASS annual estimates, 2025. County view: 2022 Census of Agriculture (head on farms). Hogs and pigs, the source of pork, ham and bacon. The annual figure counts hogs on farms on December 1.
Which state has the most hogs?
Iowa has the most hogs: 34% of the 75.2 million hogs on US farms on December 1, 2025. Ranked by NASS's 2025 estimate.
* Rank among states with published figures. A state whose figure is withheld could rank higher.
Which counties raise the most hogs?
From the 2022 Census of Agriculture, which reports hogs for 2,885 counties. NASS withholds 513 of those county figures to protect individual farms, so a withheld county could be larger than some listed here.
| County | Head on farms | Share of US |
|---|---|---|
| Duplin County, NC | 1,884,573 | 3% |
| Sampson County, NC | 1,854,202 | 3% |
| Washington County, IA | 1,486,642 | 2% |
| Sioux County, IA | 1,460,697 | 2% |
| Lyon County, IA | 966,636 | 1% |
| Plymouth County, IA | 919,557 | 1% |
| Hardin County, IA | 860,744 | 1% |
| Martin County, MN | 845,233 | 1% |
| Palo Alto County, IA | 791,666 | 1% |
| Bladen County, NC | 688,866 | under 1% |
| Carroll County, IA | 687,525 | under 1% |
| Hamilton County, IA | 680,094 | under 1% |
| Blue Earth County, MN | 669,744 | under 1% |
| Platte County, NE | 573,569 | under 1% |
| Franklin County, IA | 564,205 | under 1% |
How has the number of hogs changed?
NASS annual estimates, 2000 to 2025.
Hogs by the numbers
Each note is calculated from USDA NASS data; the source is listed under it.
How concentrated
The top three states, Iowa, Minnesota and North Carolina, account for 57% of the hogs on US farms.
NASS annual estimates, 2025
How widespread
Farms in 50 states reported hogs in the 2022 Census of Agriculture, 60,809 farms in all.
2022 Census of Agriculture
Top county
Duplin County, North Carolina has 3% of the hogs on US farms, the most of any county with a published figure.
2022 Census of Agriculture
Ten-year change
The number of hogs on US farms rose 9% between 2015 and 2025, from 69 million hogs to 75.2 million hogs.
NASS annual estimates
Biggest year
The biggest year in NASS estimates since 2000 was 2019, at 77.3 million hogs.
NASS annual estimates
Long-time leader
Iowa has led NASS's state estimates for hogs every year since at least 2000.
NASS annual estimates
Census to Census
The number of hogs on US farms rose 21% between the 1997 and 2022 Censuses of Agriculture, from 61.2 million hogs to 73.8 million hogs.
Censuses of Agriculture, 1997 to 2022
About this data
Hogs and pigs, the source of pork, ham and bacon. The annual figure counts hogs on farms on December 1.
State and national figures come from NASS's annual estimates (final 2025 figures; in-season forecasts are not used). County figures and the county map come from the 2022 Census of Agriculture, the only source that covers every county. NASS withholds some figures, marked "withheld", to avoid disclosing data for individual farms.
Source: USDA National Agricultural Statistics Service, Quick Stats. Series: HOGS - INVENTORY; HOGS - INVENTORY. Data processed 2026-11-06. Methodology.